Hypoae Ain SK-N c20-5 [#1450256142002]

100.00%
Hypoae Ain SK-N c20-5 / K (Yellow-Orange) Star (Scoopable)
Distance to arrival:
0 ls
Estimated value:
1,215 cr

Solar masses:
0.8125
Solar radius:
0.9331
Age:
710 million years
Luminosity:
Va

Surface temperature:
5,142 K
Hypoae Ain SK-N c20-5 A Belt
Class:
Metal Rich

Mass:
107,930,000,000,000 Mt

Inner radius:
1,278,500 km
Outer radius:
2,251,700 km
Hypoae Ain SK-N c20-5 1 / High metal content world
Distance to arrival:
249 ls
Estimated value:
15,794 cr

Earth masses:
1.7929
Radius:
7,227 km

Surface pressure:
277.24 Atmospheres

Reserve level:
Pristine

Gravity:
1.40 G

Volcanism:
Minor Metallic Magma
Atmosphere:
Hot thick Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
995 K
Hypoae Ain SK-N c20-5 1 a / Rocky body (Landable)
Distance to arrival:
249 ls
Estimated value:
500 cr

Earth masses:
0.0002
Radius:
391 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
304 K

Materials:
Fe (19.0%) S (18.7%) C (15.8%) Ni (14.4%) P (10.1%) Cr (8.5%) Mn (7.8%) As (2.5%) Nb (1.3%) Y (1.1%) Hg (0.8%)
Hypoae Ain SK-N c20-5 2 / Water world
Distance to arrival:
404 ls
Estimated value:
117,386 cr

Earth masses:
6.0310
Radius:
13,520 km

Gravity:
1.34 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
234 K
Hypoae Ain SK-N c20-5 2 a / Rocky body (Landable)
Distance to arrival:
403 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
449 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
239 K

Materials:
Fe (19.2%) S (18.9%) C (15.9%) Ni (14.5%) P (10.2%) Mn (7.9%) Zn (5.2%) V (4.7%) Nb (1.3%) Y (1.2%) W (1.1%)
Hypoae Ain SK-N c20-5 2 b / Rocky body (Landable)
Distance to arrival:
404 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
464 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
239 K

Materials:
Fe (18.9%) S (18.6%) C (15.7%) Ni (14.3%) P (10.0%) Cr (8.5%) Mn (7.8%) Se (2.9%) Nb (1.3%) Ru (1.2%) Hg (0.8%)
Hypoae Ain SK-N c20-5 2 c / Rocky body (Landable)
Distance to arrival:
402 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
476 km

Gravity:
0.06 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
239 K

Materials:
Fe (18.7%) S (18.4%) C (15.5%) Ni (14.1%) P (9.9%) Cr (8.4%) Mn (7.7%) V (4.6%) Nb (1.3%) Hg (0.8%) Po (0.5%)
Hypoae Ain SK-N c20-5 3 / High metal content world
Distance to arrival:
559 ls
Estimated value:
187,002 cr

Earth masses:
2.7919
Radius:
8,199 km

Surface pressure:
12.96 Atmospheres

Gravity:
1.69 G

Volcanism:
Major Silicate Vapour Geysers
Atmosphere:
Thick Nitrogen
Terraforming state:
Candidate for terraforming

Surface temperature:
217 K
Hypoae Ain SK-N c20-5 4 / Water world
Distance to arrival:
563 ls
Estimated value:
293,209 cr

Earth masses:
1.5633
Radius:
6,946 km

Surface pressure:
0.95 Atmospheres

Gravity:
1.32 G

Volcanism:
Minor Metallic Magma
Atmosphere:
Nitrogen
Terraforming state:
Candidate for terraforming

Surface temperature:
358 K
Hypoae Ain SK-N c20-5 5 / Gas giant with water-based life
Distance to arrival:
783 ls
Estimated value:
616 cr

Earth masses:
22.4629
Radius:
28,670 km

Reserve level:
Pristine

Gravity:
1.11 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
169 K
Hypoae Ain SK-N c20-5 5 a / Rocky body (Landable)
Distance to arrival:
783 ls
Estimated value:
500 cr

Earth masses:
0.0010
Radius:
708 km

Gravity:
0.08 G

Volcanism:
Minor Silicate Vapour Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
172 K

Materials:
Fe (18.9%) S (18.6%) C (15.7%) Ni (14.3%) P (10.0%) Cr (8.5%) Mn (7.8%) Se (2.9%) Sb (1.2%) Sn (1.1%) W (1.0%)
Hypoae Ain SK-N c20-5 5 b / Rocky body (Landable)
Distance to arrival:
784 ls
Estimated value:
500 cr

Earth masses:
0.0007
Radius:
623 km

Gravity:
0.07 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
171 K

Materials:
Fe (19.7%) S (19.4%) C (16.3%) Ni (14.9%) P (10.4%) Mn (8.1%) Zn (5.3%) Zr (2.3%) Mo (1.3%) Sb (1.2%) W (1.1%)
Hypoae Ain SK-N c20-5 5 c / Rocky body (Landable)
Distance to arrival:
783 ls
Estimated value:
500 cr

Earth masses:
0.0030
Radius:
1,008 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.12 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
172 K

Materials:
Fe (19.9%) S (19.7%) C (16.5%) Ni (15.1%) P (10.6%) Cr (9.0%) Se (3.1%) As (2.6%) Mo (1.3%) Sb (1.2%) W (1.1%)
Hypoae Ain SK-N c20-5 5 d / Rocky body (Landable)
Distance to arrival:
781 ls
Estimated value:
500 cr

Earth masses:
0.0015
Radius:
803 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
172 K

Materials:
Fe (18.4%) S (18.2%) C (15.3%) Ni (13.9%) P (9.8%) Cr (8.3%) Mn (7.6%) Ge (5.3%) Nb (1.3%) Mo (1.2%) Tc (0.7%)
Hypoae Ain SK-N c20-5 6 / High metal content world
Distance to arrival:
771 ls
Estimated value:
15,617 cr

Earth masses:
1.5486
Radius:
6,926 km

Surface pressure:
3.09 Atmospheres

Gravity:
1.31 G

Volcanism:
Minor Metallic Magma
Atmosphere:
Nitrogen
Terraforming state:
Not terraformable

Surface temperature:
243 K
Hypoae Ain SK-N c20-5 7 / Gas giant with ammonia-based life
Distance to arrival:
1,154 ls
Estimated value:
635 cr

Earth masses:
29.9480
Radius:
38,390 km

Reserve level:
Pristine

Gravity:
0.83 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
140 K
Hypoae Ain SK-N c20-5 7 a / Rocky body
Distance to arrival:
1,155 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
474 km

Surface pressure:
0.56 Atmospheres

Gravity:
0.05 G

Volcanism:
Major Rocky Magma
Atmosphere:
Sulphur dioxide
Terraforming state:
Not terraformable

Surface temperature:
223 K
Hypoae Ain SK-N c20-5 7 b / Rocky body (Landable)
Distance to arrival:
1,155 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
470 km

Surface pressure:
0.08 Atmospheres

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
186 K

Materials:
Fe (18.4%) S (18.1%) C (15.2%) Ni (13.9%) P (9.8%) Cr (8.3%) Mn (7.6%) Zn (5.0%) Cd (1.4%) Nb (1.3%) Ru (1.1%)
Hypoae Ain SK-N c20-5 7 c / Rocky body (Landable)
Distance to arrival:
1,153 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
447 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
156 K

Materials:
Fe (18.9%) S (18.6%) C (15.6%) Ni (14.3%) P (10.0%) Cr (8.5%) Mn (7.8%) As (2.4%) Cd (1.5%) Nb (1.3%) Sb (1.2%)
Hypoae Ain SK-N c20-5 7 d / Rocky body (Landable)
Distance to arrival:
1,152 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
455 km

Surface pressure:
0.01 Atmospheres

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
156 K

Materials:
Fe (19.8%) S (19.5%) C (16.4%) Ni (15.0%) P (10.5%) Ge (5.7%) Zn (5.4%) V (4.9%) Mo (1.3%) Hg (0.9%) Tc (0.7%)
Hypoae Ain SK-N c20-5 7 e / Rocky body (Landable)
Distance to arrival:
1,157 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
540 km

Surface pressure:
0.01 Atmospheres

Gravity:
0.06 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
158 K

Materials:
Fe (19.2%) S (18.7%) C (15.8%) Ni (14.5%) P (10.1%) Cr (8.6%) Ge (5.5%) V (4.7%) Cd (1.5%) Hg (0.8%) Po (0.5%)
Hypoae Ain SK-N c20-5 8 / Class III gas giant
Distance to arrival:
1,503 ls
Estimated value:
1,001 cr

Earth masses:
1,201.8624
Radius:
75,073 km

Gravity:
8.67 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
333 K
Hypoae Ain SK-N c20-5 8 a / Rocky body (Landable)
Distance to arrival:
1,501 ls
Estimated value:
500 cr

Earth masses:
0.0015
Radius:
802 km

Gravity:
0.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
165 K

Materials:
Fe (19.7%) S (19.4%) C (16.3%) Ni (14.9%) P (10.5%) Mn (8.1%) V (4.8%) As (2.6%) Mo (1.3%) Sb (1.2%) Sn (1.2%)
Hypoae Ain SK-N c20-5 8 b / Rocky body (Landable)
Distance to arrival:
1,505 ls
Estimated value:
500 cr

Earth masses:
0.0016
Radius:
830 km

Gravity:
0.10 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
161 K

Materials:
Fe (20.9%) S (20.6%) C (17.3%) Ni (15.8%) P (11.1%) V (5.1%) As (2.7%) Zr (2.4%) Te (1.6%) Mo (1.4%) Sn (1.2%)
Hypoae Ain SK-N c20-5 8 c / Rocky body (Landable)
Distance to arrival:
1,501 ls
Estimated value:
500 cr

Earth masses:
0.0018
Radius:
862 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.10 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
156 K

Materials:
Fe (20.1%) S (19.8%) C (16.6%) Ni (15.2%) P (10.7%) Ge (5.8%) Zn (5.5%) Zr (2.3%) Cd (1.6%) Mo (1.3%) Sb (1.2%)
Hypoae Ain SK-N c20-5 8 d / Rocky body (Landable)
Distance to arrival:
1,497 ls
Estimated value:
500 cr

Earth masses:
0.0024
Radius:
945 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.11 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
152 K

Materials:
Fe (19.5%) S (19.2%) C (16.2%) Ni (14.7%) P (10.3%) Cr (8.8%) Ge (5.6%) As (2.5%) Sb (1.2%) Sn (1.2%) Hg (0.9%)
Hypoae Ain SK-N c20-5 8 e / Rocky body (Landable)
Distance to arrival:
1,497 ls
Estimated value:
500 cr

Earth masses:
0.0029
Radius:
998 km

Surface pressure:
0.03 Atmospheres

Gravity:
0.12 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
175 K

Materials:
Fe (19.1%) S (18.8%) C (15.8%) Ni (14.4%) P (10.1%) Mn (7.9%) Zn (5.2%) V (4.7%) Cd (1.5%) Nb (1.3%) Ru (1.2%)
Hypoae Ain SK-N c20-5 8 f / Rocky body (Landable)
Distance to arrival:
1,491 ls
Estimated value:
500 cr

Earth masses:
0.0084
Radius:
1,421 km

Surface pressure:
0.05 Atmospheres

Gravity:
0.17 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
180 K

Materials:
Fe (18.5%) S (18.2%) C (15.3%) Ni (14.0%) P (9.8%) Cr (8.3%) Mn (7.6%) Zn (5.0%) Nb (1.3%) Ru (1.1%) Hg (0.8%)
Hypoae Ain SK-N c20-5 9 / Class I gas giant
Distance to arrival:
1,454 ls
Estimated value:
3,605 cr

Earth masses:
38.9037
Radius:
43,030 km

Reserve level:
Pristine

Gravity:
0.85 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
132 K
Hypoae Ain SK-N c20-5 9 a / Rocky body (Landable)
Distance to arrival:
1,454 ls
Estimated value:
500 cr

Earth masses:
0.0014
Radius:
789 km

Gravity:
0.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
133 K

Materials:
Fe (18.8%) S (18.5%) C (15.6%) Ni (14.2%) P (10.0%) Cr (8.4%) Mn (7.8%) Se (2.9%) Cd (1.5%) Nb (1.3%) Sb (1.2%)
Hypoae Ain SK-N c20-5 9 b / Rocky body (Landable)
Distance to arrival:
1,454 ls
Estimated value:
500 cr

Earth masses:
0.0026
Radius:
966 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.11 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
133 K

Materials:
Fe (19.5%) S (19.2%) C (16.2%) Ni (14.8%) P (10.4%) Mn (8.1%) Zn (5.3%) Se (3.0%) Nb (1.3%) Sb (1.2%) W (1.1%)
Hypoae Ain SK-N c20-5 10 / Y (Brown dwarf) Star
Distance to arrival:
2,178 ls
Estimated value:
1,200 cr

Solar masses:
0.0117
Solar radius:
0.0624
Age:
710 million years
Luminosity:
V

Surface temperature:
376 K
Hypoae Ain SK-N c20-5 10 a / Rocky body (Landable)
Distance to arrival:
2,178 ls
Estimated value:
500 cr

Earth masses:
0.0051
Radius:
1,208 km

Gravity:
0.14 G

Volcanism:
Minor Metallic Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
156 K

Materials:
Fe (19.8%) S (19.5%) C (16.4%) Ni (15.0%) P (10.5%) Mn (8.2%) V (4.9%) As (2.6%) Mo (1.3%) Y (1.2%) Hg (0.9%)
Hypoae Ain SK-N c20-5 10 b / Rocky body (Landable)
Distance to arrival:
2,175 ls
Estimated value:
500 cr

Earth masses:
0.0036
Radius:
1,077 km

Surface pressure:
0.03 Atmospheres

Gravity:
0.13 G

Volcanism:
No volcanism
Atmosphere:
Thin Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
163 K

Materials:
Fe (19.5%) S (19.3%) C (16.2%) Ni (14.8%) P (10.4%) Cr (8.8%) Zn (5.3%) As (2.5%) Mo (1.3%) Y (1.2%) Hg (0.9%)
Hypoae Ain SK-N c20-5 10 c / Rocky body (Landable)
Distance to arrival:
2,171 ls
Estimated value:
500 cr

Earth masses:
0.0075
Radius:
1,371 km

Gravity:
0.16 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
130 K

Materials:
Fe (18.9%) S (18.6%) C (15.7%) Ni (14.3%) P (10.0%) Cr (8.5%) Mn (7.8%) Zr (2.2%) Cd (1.5%) Te (1.4%) W (1.0%)
Hypoae Ain SK-N c20-5 10 d / Rocky body (Landable)
Distance to arrival:
2,170 ls
Estimated value:
500 cr

Earth masses:
0.0152
Radius:
1,725 km

Gravity:
0.21 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
125 K

Materials:
Fe (18.9%) S (18.6%) C (15.7%) Ni (14.3%) P (10.0%) Cr (8.5%) Mn (7.8%) Zr (2.2%) Te (1.4%) Nb (1.3%) Mo (1.2%)
Hypoae Ain SK-N c20-5 10 e / Rocky body (Landable)
Distance to arrival:
2,157 ls
Estimated value:
500 cr

Earth masses:
0.0203
Radius:
1,896 km

Gravity:
0.23 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
119 K

Materials:
Fe (19.0%) S (18.8%) C (15.8%) Ni (14.4%) P (10.1%) Cr (8.6%) Ge (5.5%) V (4.7%) Cd (1.5%) W (1.0%) Tc (0.7%)
Hypoae Ain SK-N c20-5 10 f / Rocky body (Landable)
Distance to arrival:
2,148 ls
Estimated value:
500 cr

Earth masses:
0.0227
Radius:
1,966 km

Gravity:
0.24 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
116 K

Materials:
Fe (18.9%) S (18.7%) C (15.7%) Ni (14.3%) P (10.1%) Cr (8.5%) Mn (7.8%) As (2.5%) Nb (1.3%) Ru (1.2%) Sn (1.1%)
Hypoae Ain SK-N c20-5 10 g / Icy body
Distance to arrival:
2,133 ls
Estimated value:
500 cr

Earth masses:
0.2121
Radius:
5,124 km

Surface pressure:
5.49 Atmospheres

Reserve level:
Pristine

Gravity:
0.33 G

Volcanism:
No volcanism
Atmosphere:
Thick Nitrogen
Terraforming state:
Not terraformable

Surface temperature:
105 K
Hypoae Ain SK-N c20-5 11 / Y (Brown dwarf) Star
Distance to arrival:
3,765 ls
Estimated value:
1,200 cr

Solar masses:
0.0234
Solar radius:
0.0952
Age:
710 million years
Luminosity:
V

Surface temperature:
534 K
Hypoae Ain SK-N c20-5 11 a / Rocky body (Landable)
Distance to arrival:
3,766 ls
Estimated value:
500 cr

Earth masses:
0.0017
Radius:
842 km

Gravity:
0.10 G

Volcanism:
Minor Metallic Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
162 K

Materials:
Fe (19.5%) S (19.2%) C (16.2%) Ni (14.7%) P (10.3%) Cr (8.8%) V (4.8%) Se (3.0%) Mo (1.3%) Y (1.2%) W (1.1%)
Hypoae Ain SK-N c20-5 11 b / Rocky body
Distance to arrival:
3,771 ls
Estimated value:
500 cr

Earth masses:
0.0010
Radius:
701 km

Surface pressure:
1.22 Atmospheres

Gravity:
0.08 G

Volcanism:
No volcanism
Atmosphere:
Carbon dioxide
Terraforming state:
Not terraformable

Surface temperature:
245 K
Hypoae Ain SK-N c20-5 11 c / Rocky body (Landable)
Distance to arrival:
3,765 ls
Estimated value:
500 cr

Earth masses:
0.0014
Radius:
781 km

Gravity:
0.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
127 K

Materials:
Fe (18.3%) S (18.1%) C (15.2%) Ni (13.9%) P (9.7%) Cr (8.2%) Mn (7.6%) Ge (5.3%) Cd (1.4%) Nb (1.3%) Y (1.1%)
Hypoae Ain SK-N c20-5 11 d / Rocky body (Landable)
Distance to arrival:
3,775 ls
Estimated value:
500 cr

Earth masses:
0.0009
Radius:
673 km

Gravity:
0.08 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
114 K

Materials:
Fe (18.9%) S (18.7%) C (15.7%) Ni (14.3%) P (10.1%) Cr (8.5%) Mn (7.8%) As (2.5%) Mo (1.2%) Ru (1.2%) Sn (1.1%)
Hypoae Ain SK-N c20-5 11 e / Rocky body (Landable)
Distance to arrival:
3,780 ls
Estimated value:
500 cr

Earth masses:
0.0013
Radius:
776 km

Gravity:
0.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
104 K

Materials:
Fe (18.8%) S (18.6%) C (15.6%) Ni (14.3%) P (10.0%) Cr (8.5%) Ge (5.5%) Zn (5.1%) Nb (1.3%) Mo (1.2%) Ru (1.2%)
Hypoae Ain SK-N c20-5 11 f / Class I gas giant
Distance to arrival:
3,902 ls
Estimated value:
3,312 cr

Earth masses:
17.2293
Radius:
39,802 km

Reserve level:
Pristine

Gravity:
0.44 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
90 K