🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 9.2

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.46 AU - 0.56 AU

Year: 256 Days

Day: 6.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,601,911 km

• M1: 114,442 km (0.076 R)
• M2: 592,258 km (0.115 R)
• M3: 924,964 km (0.106 R)
• M4: 1,730,698 km (0.113 R)
• M5: 2,028,248 km (0.112 R)
• M6: 2,504,717 km (0.095 R)
• M7: 2,975,352 km (0.119 R)
• M8: 3,493,110 km (0.097 R)
• M9: 4,155,530 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 15

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.82 AU - 1 AU

Year: 610 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,601,911 km

• M1: 186,848 km (0.116 R)
• M2: 1,057,208 km (0.092 R)
• M3: 1,742,067 km (0.06 R)
• M4: 2,242,173 km (0.098 R)
• M5: 3,893,733 km (0.094 R)
• M6: 4,962,909 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 14.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.22 AU - 1.72 AU

Year: 1253 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,601,911 km

• M1: 179,069 km (0.057 R)
• M2: 741,407 km (0.032 R)
• M3: 1,701,377 km (0.109 R)
• M4: 2,173,059 km (0.095 R)
• M5: 2,661,346 km (0.086 R)
• M6: 3,404,249 km (0.084 R)
• M7: 4,101,824 km (0.067 R)
• M8: 4,589,513 km (0.045 R)
• M9: 5,622,486 km (0.1 R)
• M10: 6,335,171 km (0.058 R)
• M11: 7,541,677 km (0.084 R)
• M12: 8,278,148 km (0.071 R)
• M13: 9,062,340 km (0.086 R)
• M14: 10,254,934 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 12.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.55 AU - 2.03 AU

Year: 1683 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,601,911 km

• M1: 173,234 km (0.102 R)
• M2: 614,698 km (0.086 R)
• M3: 1,033,272 km (0.114 R)
• M4: 1,544,748 km (0.052 R)
• M5: 2,248,606 km (0.119 R)
• M6: 2,710,863 km (0.114 R)
• M7: 3,482,190 km (0.077 R)
• M8: 4,886,764 km (0.115 R)
• M9: 5,302,048 km (0.118 R)
• M10: 6,104,640 km (0.114 R)
• M11: 7,040,973 km (0.094 R)
• M12: 7,687,984 km (0.1 R)
• M13: 8,343,372 km (0.099 R)
• M14: 9,937,787 km (0.077 R)
• M15: 11,420,900 km (0.109 R)
• M16: 12,235,460 km (0.057 R)
• M17: 13,593,211 km (0.061 R)
• M18: 14,242,615 km (0.053 R)
• M19: 14,867,336 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 11.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.63 AU - 2.45 AU

Year: 2048 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,601,911 km

• M1: 145,858 km (0.071 R)
• M2: 721,361 km (0.102 R)
• M3: 1,567,486 km (0.06 R)
• M4: 2,489,309 km (0.046 R)
• M5: 4,089,258 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 15

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.93 AU - 2.79 AU

Year: 2548 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,601,911 km

• M1: 204,799 km (0.111 R)
• M2: 687,701 km (0.071 R)
• M3: 1,234,332 km (0.114 R)
• M4: 2,001,470 km (0.064 R)
• M5: 2,567,698 km (0.105 R)
• M6: 3,043,718 km (0.114 R)
• M7: 3,765,678 km (0.109 R)
• M8: 4,327,866 km (0.117 R)
• M9: 5,244,453 km (0.038 R)
• M10: 6,116,309 km (0.051 R)
• M11: 6,587,393 km (0.081 R)
• M12: 7,801,529 km (0.03 R)
• M13: 9,646,669 km (0.103 R)
• M14: 10,150,365 km (0.117 R)
• M15: 11,028,953 km (0.104 R)
• M16: 12,072,847 km (0.087 R)
• M17: 12,579,386 km (0.106 R)
• M18: 13,181,517 km (0.115 R)
• M19: 14,056,814 km (0.113 R)
• M20: 14,749,452 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.4

Radius: 7.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.15 AU - 7.37 AU

Year: 11010 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,601,911 km

• M1: 96,042 km (0.082 R)
• M2: 374,443 km (0.107 R)
• M3: 828,772 km (0.099 R)
• M4: 2,903,545 km (0.077 R)
• M5: 3,922,157 km (0.096 R)
• M6: 5,053,715 km (0.104 R)
• M7: 6,515,286 km (0.087 R)
• M8: 9,326,829 km (0.09 R)
• M9: 15,596,625 km (0.109 R)
• M10: 18,251,987 km (0.079 R)
• M11: 23,298,223 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.2

Radius: 6.9

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.37 AU - 8.71 AU

Year: 14553 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,601,911 km

• M1: 86,767 km (0.087 R)
• M2: 667,356 km (0.083 R)
• M3: 898,934 km (0.11 R)
• M4: 1,409,062 km (0.109 R)
• M5: 2,058,168 km (0.06 R)
• M6: 2,494,245 km (0.118 R)
• M7: 4,468,488 km (0.113 R)
• M8: 5,199,424 km (0.103 R)
• M9: 5,536,019 km (0.115 R)
• M10: 9,636,496 km (0.092 R)
• M11: 9,860,295 km (0.044 R)
• M12: 11,463,386 km (0.082 R)
• M13: 12,892,045 km (0.054 R)
• M14: 16,098,526 km (0.077 R)
• M15: 16,414,178 km (0.075 R)
• M16: 22,527,644 km (0.112 R)
• M17: 23,624,645 km (0.08 R)
• M18: 24,652,383 km (0.085 R)
• M19: 28,027,610 km (0.112 R)
• M20: 29,295,751 km (0.115 R)
• M21: 30,003,349 km (0.032 R)
• M22: 30,361,486 km (0.075 R)
• M23: 30,964,515 km (0.104 R)
• M24: 31,698,742 km (0.078 R)
• M25: 36,620,512 km (0.063 R)
• M26: 42,177,474 km (0.061 R)
• M27: 43,840,853 km (0.069 R)
• M28: 54,570,910 km (0.106 R)
• M29: 58,565,023 km (0.061 R)
• M30: 69,601,905 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,072 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit