Slulee JP-D b27-4 [#9462753408233]
Slulee JP-D b27-4 A
/ M (Red dwarf) Star
(Scoopable)

Distance to arrival:
0 ls
Estimated value:
1,204 cr
Solar masses:
0.1992
Solar radius:
0.3686
Age:
9,678 million years
Luminosity:
Va
Surface temperature:
2,299 K
Slulee JP-D b27-4 AB 1
/ Class I gas giant


Distance to arrival:
351 ls
Estimated value:
4,776 cr
Earth masses:
409.1380
Radius:
75,079 km
Reserve level:
Pristine
Gravity:
2.95 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
126 K
Slulee JP-D b27-4 AB 1 a
/ Icy body
(Landable)

Distance to arrival:
353 ls
Estimated value:
500 cr
Earth masses:
0.0039
Radius:
1,380 km
Gravity:
0.08 G
Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
77 K
Materials:
S
(27.3%)
C
(22.9%)
P
(14.7%)
Fe
(12.2%)
Ni
(9.2%)
Cr
(5.5%)
Se
(4.3%)
As
(1.6%)
Nb
(0.8%)
Mo
(0.8%)
Ru
(0.8%)
Slulee JP-D b27-4 AB 1 b
/ Icy body
(Landable)

Distance to arrival:
350 ls
Estimated value:
500 cr
Earth masses:
0.0095
Radius:
1,854 km
Gravity:
0.11 G
Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
76 K
Materials:
S
(26.5%)
C
(22.3%)
P
(14.3%)
Fe
(11.9%)
Ni
(9.0%)
Cr
(5.3%)
Mn
(4.9%)
Ge
(3.4%)
Cd
(0.9%)
Y
(0.7%)
Sn
(0.7%)
Slulee JP-D b27-4 AB 1 c
/ Icy body
(Landable)

Distance to arrival:
349 ls
Estimated value:
500 cr
Earth masses:
0.0088
Radius:
1,811 km
Gravity:
0.11 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
73 K
Materials:
S
(27.0%)
C
(22.7%)
P
(14.6%)
Fe
(12.1%)
Ni
(9.1%)
Mn
(5.0%)
Se
(4.2%)
Zn
(3.3%)
Y
(0.7%)
W
(0.7%)
Hg
(0.5%)
Slulee JP-D b27-4 AB 1 d
/ Icy body

Distance to arrival:
351 ls
Estimated value:
500 cr
Earth masses:
0.0189
Radius:
2,323 km
Surface pressure:
0.97 Atmospheres
Gravity:
0.14 G
Volcanism:
No volcanism
Atmosphere:
Methane
Terraforming state:
Not terraformable
Surface temperature:
136 K
Slulee JP-D b27-4 AB 2
/ Class I gas giant


Distance to arrival:
608 ls
Estimated value:
4,709 cr
Earth masses:
367.0656
Radius:
74,238 km
Reserve level:
Pristine
Gravity:
2.71 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
110 K
Slulee JP-D b27-4 AB 2 a
/ Icy body

Distance to arrival:
608 ls
Estimated value:
500 cr
Earth masses:
0.0038
Radius:
1,368 km
Surface pressure:
31.93 Atmospheres
Gravity:
0.08 G
Volcanism:
Major Water Geysers
Atmosphere:
Thick Methane
Terraforming state:
Not terraformable
Surface temperature:
193 K
Slulee JP-D b27-4 AB 2 b
/ Icy body

Distance to arrival:
605 ls
Estimated value:
500 cr
Earth masses:
0.0070
Radius:
1,675 km
Surface pressure:
12.12 Atmospheres
Gravity:
0.10 G
Volcanism:
No volcanism
Atmosphere:
Thick Methane
Terraforming state:
Not terraformable
Surface temperature:
164 K
Slulee JP-D b27-4 AB 2 c
/ Icy body

Distance to arrival:
611 ls
Estimated value:
500 cr
Earth masses:
0.0037
Radius:
1,362 km
Surface pressure:
0.32 Atmospheres
Gravity:
0.08 G
Volcanism:
No volcanism
Atmosphere:
Methane
Terraforming state:
Not terraformable
Surface temperature:
105 K
Slulee JP-D b27-4 AB 2 d
/ Icy body
(Landable)

Distance to arrival:
602 ls
Estimated value:
500 cr
Earth masses:
0.0061
Radius:
1,602 km
Gravity:
0.10 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
61 K
Materials:
S
(26.7%)
C
(22.5%)
P
(14.4%)
Fe
(11.9%)
Ni
(9.0%)
Cr
(5.4%)
Se
(4.2%)
Ge
(3.5%)
Cd
(0.9%)
Mo
(0.8%)
Ru
(0.7%)
Slulee JP-D b27-4 AB 3
/ Class I gas giant

Distance to arrival:
770 ls
Estimated value:
4,668 cr
Earth masses:
342.8944
Radius:
73,578 km
Gravity:
2.58 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
97 K
Slulee JP-D b27-4 AB 3 a
/ Icy body
(Landable)

Distance to arrival:
769 ls
Estimated value:
500 cr
Earth masses:
0.0032
Radius:
1,290 km
Gravity:
0.08 G
Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
58 K
Materials:
S
(26.5%)
C
(22.3%)
P
(14.3%)
Fe
(11.9%)
Ni
(9.0%)
Cr
(5.3%)
Mn
(4.9%)
Ge
(3.4%)
Cd
(0.9%)
Te
(0.9%)
Sn
(0.7%)
Slulee JP-D b27-4 AB 3 b
/ Icy body
(Landable)

Distance to arrival:
769 ls
Estimated value:
500 cr
Earth masses:
0.0013
Radius:
966 km
Gravity:
0.06 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
55 K
Materials:
S
(27.8%)
C
(23.4%)
P
(15.0%)
Fe
(12.4%)
Ni
(9.4%)
Mn
(5.1%)
V
(3.1%)
As
(1.6%)
Mo
(0.8%)
Y
(0.7%)
Hg
(0.5%)
Slulee JP-D b27-4 AB 3 c
/ Icy body
(Landable)

Distance to arrival:
776 ls
Estimated value:
500 cr
Earth masses:
0.0029
Radius:
1,258 km
Surface pressure:
0.00 Atmospheres
Gravity:
0.08 G
Volcanism:
No volcanism
Atmosphere:
Thin Argon
Terraforming state:
Not terraformable
Surface temperature:
52 K
Materials:
S
(27.1%)
C
(22.8%)
P
(14.6%)
Fe
(12.2%)
Ni
(9.2%)
Mn
(5.1%)
Ge
(3.5%)
V
(3.0%)
Cd
(1.0%)
Te
(0.9%)
W
(0.7%)
Slulee JP-D b27-4 AB 4
/ Class I gas giant

Distance to arrival:
960 ls
Estimated value:
4,865 cr
Earth masses:
470.7389
Radius:
75,686 km
Gravity:
3.34 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
111 K
Slulee JP-D b27-4 AB 4 a
/ Icy body
(Landable)

Distance to arrival:
960 ls
Estimated value:
500 cr
Earth masses:
0.0022
Radius:
1,144 km
Gravity:
0.07 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
52 K
Materials:
S
(27.4%)
C
(23.0%)
P
(14.7%)
Fe
(12.2%)
Ni
(9.3%)
Cr
(5.5%)
Se
(4.3%)
As
(1.6%)
Mo
(0.8%)
Ru
(0.8%)
Hg
(0.5%)
Slulee JP-D b27-4 AB 4 b
/ Icy body
(Landable)

Distance to arrival:
956 ls
Estimated value:
500 cr
Earth masses:
0.0014
Radius:
996 km
Gravity:
0.06 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
50 K
Materials:
S
(26.9%)
C
(22.6%)
P
(14.5%)
Fe
(12.0%)
Ni
(9.1%)
Mn
(5.0%)
Se
(4.2%)
Zn
(3.3%)
Cd
(0.9%)
Mo
(0.8%)
Ru
(0.7%)
Slulee JP-D b27-4 AB 4 c
/ Icy body
(Landable)

Distance to arrival:
955 ls
Estimated value:
500 cr
Earth masses:
0.0019
Radius:
1,101 km
Gravity:
0.07 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
49 K
Materials:
S
(26.8%)
C
(22.6%)
P
(14.4%)
Fe
(12.0%)
Ni
(9.1%)
Mn
(5.0%)
Se
(4.2%)
Ge
(3.5%)
Cd
(0.9%)
Te
(0.9%)
Sn
(0.7%)
Slulee JP-D b27-4 AB 4 d
/ Icy body
(Landable)

Distance to arrival:
956 ls
Estimated value:
500 cr
Earth masses:
0.0058
Radius:
1,575 km
Gravity:
0.09 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
47 K
Materials:
S
(28.2%)
C
(23.7%)
P
(15.2%)
Fe
(12.7%)
Ni
(9.6%)
Ge
(3.7%)
V
(3.1%)
Zr
(1.5%)
Mo
(0.8%)
Ru
(0.8%)
Sn
(0.8%)
Slulee JP-D b27-4 AB 4 d a
/ Icy body
(Landable)

Distance to arrival:
956 ls
Estimated value:
500 cr
Earth masses:
0.0002
Radius:
526 km
Gravity:
0.03 G
Volcanism:
Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
47 K
Materials:
S
(30.9%)
C
(26.0%)
P
(16.6%)
Fe
(9.5%)
Ni
(7.2%)
Cr
(4.3%)
V
(2.3%)
As
(1.4%)
Cd
(0.7%)
Sb
(0.7%)
Sn
(0.5%)
Slulee JP-D b27-4 AB 4 e
/ Icy body
(Landable)

Distance to arrival:
950 ls
Estimated value:
500 cr
Earth masses:
0.0094
Radius:
1,851 km
Gravity:
0.11 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
46 K
Materials:
S
(26.6%)
C
(22.4%)
P
(14.3%)
Fe
(11.9%)
Ni
(9.0%)
Cr
(5.4%)
Mn
(4.9%)
Zn
(3.2%)
Nb
(0.8%)
Y
(0.7%)
W
(0.7%)
Slulee JP-D b27-4 AB 5
/ Class I gas giant


Distance to arrival:
1,219 ls
Estimated value:
3,933 cr
Earth masses:
84.6305
Radius:
55,794 km
Reserve level:
Pristine
Gravity:
1.11 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
48 K
Slulee JP-D b27-4 AB 5 a
/ Icy body
(Landable)

Distance to arrival:
1,219 ls
Estimated value:
500 cr
Earth masses:
0.0005
Radius:
686 km
Gravity:
0.04 G
Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
39 K
Materials:
S
(27.1%)
C
(22.8%)
P
(14.6%)
Fe
(12.4%)
Ni
(9.4%)
Mn
(5.1%)
Ge
(3.6%)
V
(3.0%)
Mo
(0.8%)
Sb
(0.8%)
W
(0.7%)
Slulee JP-D b27-4 AB 5 b
/ Icy body
(Landable)

Distance to arrival:
1,219 ls
Estimated value:
500 cr
Earth masses:
0.0003
Radius:
563 km
Gravity:
0.03 G
Volcanism:
Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
39 K
Materials:
S
(27.3%)
C
(23.0%)
P
(14.7%)
Fe
(11.7%)
Ni
(8.9%)
Cr
(5.3%)
Se
(4.3%)
Zn
(3.2%)
Nb
(0.8%)
Sn
(0.7%)
Po
(0.3%)
Slulee JP-D b27-4 AB 5 c
/ Icy body
(Landable)

Distance to arrival:
1,218 ls
Estimated value:
500 cr
Earth masses:
0.0007
Radius:
771 km
Gravity:
0.05 G
Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
39 K
Materials:
S
(26.9%)
C
(22.7%)
P
(14.5%)
Fe
(12.1%)
Ni
(9.1%)
Cr
(5.4%)
Se
(4.2%)
Zn
(3.3%)
Nb
(0.8%)
Sn
(0.7%)
Po
(0.3%)
Slulee JP-D b27-4 AB 5 d
/ Icy body
(Landable)

Distance to arrival:
1,221 ls
Estimated value:
500 cr
Earth masses:
0.0005
Radius:
680 km
Gravity:
0.04 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
38 K
Materials:
S
(27.1%)
C
(22.8%)
P
(14.6%)
Fe
(12.1%)
Ni
(9.2%)
Mn
(5.0%)
Ge
(3.5%)
Zn
(3.3%)
Cd
(0.9%)
Te
(0.9%)
Hg
(0.5%)
Slulee JP-D b27-4 AB 5 e
/ Icy body
(Landable)

Distance to arrival:
1,216 ls
Estimated value:
500 cr
Earth masses:
0.0009
Radius:
855 km
Gravity:
0.05 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
38 K
Materials:
S
(27.2%)
C
(22.8%)
P
(14.6%)
Fe
(12.3%)
Ni
(9.3%)
Mn
(5.1%)
Ge
(3.5%)
V
(3.0%)
Cd
(1.0%)
Sn
(0.7%)
Tc
(0.4%)
Slulee JP-D b27-4 AB 5 f
/ Icy body
(Landable)

Distance to arrival:
1,223 ls
Estimated value:
500 cr
Earth masses:
0.0041
Radius:
1,404 km
Gravity:
0.08 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
38 K
Materials:
S
(26.7%)
C
(22.5%)
P
(14.4%)
Fe
(12.0%)
Ni
(9.0%)
Cr
(5.4%)
Se
(4.2%)
Ge
(3.5%)
Cd
(0.9%)
Nb
(0.8%)
Y
(0.7%)
Slulee JP-D b27-4 AB 5 g
/ Icy body
(Landable)

Distance to arrival:
1,209 ls
Estimated value:
500 cr
Earth masses:
0.0422
Radius:
3,054 km
Gravity:
0.18 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
37 K
Materials:
S
(27.5%)
C
(23.1%)
P
(14.8%)
Fe
(11.9%)
Ni
(9.0%)
Cr
(5.4%)
Mn
(4.9%)
As
(1.4%)
Te
(0.8%)
Sn
(0.7%)
Hg
(0.5%)
Slulee JP-D b27-4 AB 6
/ Class I gas giant


Distance to arrival:
1,957 ls
Estimated value:
4,021 cr
Earth masses:
102.3250
Radius:
57,033 km
Reserve level:
Pristine
Gravity:
1.28 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
44 K
Slulee JP-D b27-4 AB 6 a
/ Icy body
(Landable)

Distance to arrival:
1,957 ls
Estimated value:
500 cr
Earth masses:
0.0066
Radius:
1,647 km
Gravity:
0.10 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
33 K
Materials:
S
(28.1%)
C
(23.6%)
P
(15.1%)
Fe
(12.6%)
Ni
(9.5%)
Se
(4.4%)
V
(3.1%)
As
(1.6%)
Y
(0.8%)
W
(0.7%)
Hg
(0.6%)
Slulee JP-D b27-4 AB 6 b
/ Icy body
(Landable)

Distance to arrival:
1,957 ls
Estimated value:
500 cr
Earth masses:
0.0060
Radius:
1,593 km
Gravity:
0.10 G
Volcanism:
Minor Methane Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
32 K
Materials:
S
(28.2%)
C
(23.7%)
P
(15.2%)
Fe
(12.6%)
Ni
(9.6%)
Ge
(3.7%)
V
(3.1%)
As
(1.6%)
Mo
(0.8%)
Sb
(0.8%)
W
(0.7%)
Slulee JP-D b27-4 AB 6 c
/ Icy body
(Landable)

Distance to arrival:
1,958 ls
Estimated value:
500 cr
Earth masses:
0.0058
Radius:
1,573 km
Gravity:
0.09 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
32 K
Materials:
S
(26.8%)
C
(22.6%)
P
(14.4%)
Fe
(12.0%)
Ni
(9.1%)
Mn
(5.0%)
Se
(4.2%)
Ge
(3.5%)
Cd
(0.9%)
Te
(0.9%)
W
(0.7%)
Slulee JP-D b27-4 AB 6 d
/ Icy body
(Landable)

Distance to arrival:
1,958 ls
Estimated value:
500 cr
Earth masses:
0.0033
Radius:
1,313 km
Gravity:
0.08 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
32 K
Materials:
S
(27.1%)
C
(22.7%)
P
(14.6%)
Fe
(12.1%)
Ni
(9.2%)
Cr
(5.4%)
Mn
(5.0%)
Zr
(1.4%)
Cd
(0.9%)
Te
(0.9%)
Sn
(0.7%)
Slulee JP-D b27-4 AB 6 e
/ Icy body
(Landable)

Distance to arrival:
1,959 ls
Estimated value:
500 cr
Earth masses:
0.0045
Radius:
1,455 km
Gravity:
0.09 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
32 K
Materials:
S
(27.6%)
C
(23.2%)
P
(14.8%)
Fe
(12.3%)
Ni
(9.3%)
Cr
(5.5%)
Ge
(3.6%)
Zr
(1.4%)
Mo
(0.8%)
Sb
(0.8%)
W
(0.7%)
Slulee JP-D b27-4 AB 7
/ Icy body

Distance to arrival:
1,903 ls
Estimated value:
529 cr
Earth masses:
4.4454
Radius:
11,979 km
Surface pressure:
0.82 Atmospheres
Gravity:
1.26 G
Volcanism:
Major Water Geysers
Atmosphere:
Helium
Terraforming state:
Not terraformable
Surface temperature:
32 K
Slulee JP-D b27-4 B
/ L (Brown dwarf) Star

Distance to arrival:
186 ls
Estimated value:
1,203 cr
Solar masses:
0.1445
Solar radius:
0.2788
Age:
9,678 million years
Luminosity:
V
Surface temperature:
1,559 K
Slulee JP-D b27-4 B A Belt

Class:
Rocky
Mass:
45,852,000,000,000 Mt
Inner radius:
334,840 km
Outer radius:
1,266,400 km
Slulee JP-D b27-4 B 1
/ High metal content world
(Landable)

Distance to arrival:
191 ls
Estimated value:
11,435 cr
Earth masses:
0.0037
Radius:
1,017 km
Gravity:
0.14 G
Volcanism:
Major Silicate Vapour Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
482 K
Materials:
Fe
(22.7%)
Ni
(17.2%)
S
(16.2%)
C
(13.6%)
Mn
(9.4%)
P
(8.7%)
V
(5.6%)
Zr
(2.6%)
Sn
(1.5%)
W
(1.3%)
Te
(1.2%)
Slulee JP-D b27-4 B 2
/ High metal content world
(Landable)

Distance to arrival:
190 ls
Estimated value:
11,446 cr
Earth masses:
0.0038
Radius:
1,027 km
Gravity:
0.15 G
Volcanism:
Minor Metallic Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
445 K
Materials:
Fe
(22.8%)
Ni
(17.2%)
S
(16.2%)
C
(13.7%)
Mn
(9.4%)
P
(8.7%)
Ge
(4.8%)
Se
(2.5%)
Cd
(1.8%)
Mo
(1.5%)
Y
(1.4%)
Slulee JP-D b27-4 B 3
/ High metal content world
(Landable)

Distance to arrival:
181 ls
Estimated value:
11,482 cr
Earth masses:
0.0042
Radius:
1,062 km
Gravity:
0.15 G
Volcanism:
Minor Rocky Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
382 K
Materials:
Fe
(21.9%)
Ni
(16.5%)
S
(15.6%)
C
(13.1%)
Cr
(9.8%)
Mn
(9.0%)
P
(8.4%)
Zr
(2.5%)
Mo
(1.4%)
Hg
(1.0%)
Tc
(0.8%)
Slulee JP-D b27-4 B 4
/ High metal content world
(Landable)

Distance to arrival:
193 ls
Estimated value:
11,695 cr
Earth masses:
0.0073
Radius:
1,267 km
Gravity:
0.18 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
322 K
Materials:
Fe
(23.6%)
Ni
(17.8%)
S
(16.5%)
C
(13.9%)
Mn
(9.7%)
P
(8.9%)
Zr
(2.7%)
Se
(2.6%)
Sn
(1.5%)
Y
(1.4%)
W
(1.3%)
Slulee JP-D b27-4 B 5
/ High metal content world
(Landable)

Distance to arrival:
170 ls
Estimated value:
11,606 cr
Earth masses:
0.0058
Radius:
1,183 km
Gravity:
0.17 G
Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable
Surface temperature:
282 K
Materials:
Fe
(22.7%)
Ni
(17.1%)
S
(16.1%)
C
(13.6%)
Cr
(10.2%)
P
(8.7%)
Ge
(4.8%)
Zr
(2.6%)
Cd
(1.8%)
W
(1.2%)
Te
(1.2%)
Slulee JP-D b27-4 C
/ T (Brown dwarf) Star

Distance to arrival:
24,079 ls
Estimated value:
1,202 cr
Solar masses:
0.0938
Solar radius:
0.2226
Age:
9,678 million years
Luminosity:
V
Surface temperature:
1,196 K