🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.57 AU - 0.57 AU

Year: 274 Days

Day: 42.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 12.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.06 AU - 1.56 AU

Year: 953 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,553,234 km

• M1: 159,172 km (0.049 R)
• M2: 562,189 km (0.107 R)
• M3: 1,022,053 km (0.095 R)
• M4: 1,445,415 km (0.086 R)
• M5: 1,898,397 km (0.09 R)
• M6: 2,676,456 km (0.064 R)
• M7: 3,227,574 km (0.114 R)
• M8: 3,670,533 km (0.088 R)
• M9: 4,680,319 km (0.04 R)
• M10: 5,168,906 km (0.077 R)
• M11: 5,885,180 km (0.069 R)
• M12: 6,379,900 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 11.9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.12 AU - 1.78 AU

Year: 1110 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,553,234 km

• M1: 148,401 km (0.03 R)
• M2: 651,499 km (0.059 R)
• M3: 1,114,654 km (0.101 R)
• M4: 1,567,187 km (0.09 R)
• M5: 2,541,967 km (0.076 R)
• M6: 2,991,209 km (0.1 R)
• M7: 3,606,206 km (0.067 R)
• M8: 4,066,968 km (0.077 R)
• M9: 5,691,301 km (0.112 R)
• M10: 6,487,910 km (0.069 R)
• M11: 7,014,195 km (0.058 R)
• M12: 7,427,534 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 10.3

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.39 AU - 2.23 AU

Year: 1548 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,553,234 km

• M1: 128,056 km (0.118 R)
• M2: 458,966 km (0.102 R)
• M3: 1,058,255 km (0.081 R)
• M4: 1,699,282 km (0.072 R)
• M5: 2,250,700 km (0.054 R)
• M6: 2,636,662 km (0.092 R)
• M7: 3,096,826 km (0.114 R)
• M8: 3,444,042 km (0.092 R)
• M9: 3,977,508 km (0.072 R)
• M10: 5,123,727 km (0.113 R)
• M11: 5,611,865 km (0.101 R)
• M12: 6,010,094 km (0.11 R)
• M13: 6,916,059 km (0.065 R)
• M14: 8,085,316 km (0.101 R)
• M15: 8,748,035 km (0.068 R)
• M16: 10,250,745 km (0.075 R)
• M17: 10,775,983 km (0.108 R)
• M18: 12,303,826 km (0.05 R)
• M19: 13,509,885 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 9.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.77 AU - 1.97 AU

Year: 1626 Days

Day: 7.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 136.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,553,234 km

• M1: 123,269 km (0.072 R)
• M2: 641,027 km (0.085 R)
• M3: 1,255,874 km (0.082 R)
• M4: 2,067,891 km (0.075 R)
• M5: 2,803,763 km (0.109 R)
• M6: 3,154,720 km (0.066 R)
• M7: 4,197,567 km (0.081 R)
• M8: 6,924,885 km (0.098 R)
• M9: 7,317,580 km (0.096 R)
• M10: 8,365,064 km (0.093 R)
• M11: 10,244,612 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 9.7

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.62 AU - 3.08 AU

Year: 3059 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,553,234 km

• M1: 120,576 km (0.11 R)
• M2: 605,273 km (0.044 R)
• M3: 1,075,609 km (0.082 R)
• M4: 1,411,007 km (0.047 R)
• M5: 2,075,820 km (0.106 R)
• M6: 2,718,044 km (0.109 R)
• M7: 3,167,286 km (0.1 R)
• M8: 3,912,882 km (0.105 R)
• M9: 4,795,210 km (0.117 R)
• M10: 5,142,576 km (0.087 R)
• M11: 5,587,032 km (0.049 R)
• M12: 5,972,097 km (0.052 R)
• M13: 6,919,350 km (0.108 R)
• M14: 8,032,209 km (0.1 R)
• M15: 9,109,613 km (0.099 R)
• M16: 9,683,171 km (0.082 R)
• M17: 11,201,290 km (0.117 R)
• M18: 13,940,876 km (0.051 R)
• M19: 14,702,778 km (0.095 R)
• M20: 18,691,057 km (0.113 R)
• M21: 19,181,289 km (0.086 R)
• M22: 20,380,167 km (0.101 R)
• M23: 23,276,681 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.5

Radius: 13.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.44 AU - 7.1 AU

Year: 8812 Days

Day: 6.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,553,234 km

• M1: 163,660 km (0.061 R)
• M2: 730,636 km (0.115 R)
• M3: 1,162,226 km (0.071 R)
• M4: 1,913,806 km (0.095 R)
• M5: 2,721,933 km (0.114 R)
• M6: 3,989,177 km (0.1 R)
• M7: 4,433,034 km (0.112 R)
• M8: 5,365,477 km (0.082 R)
• M9: 5,878,748 km (0.077 R)
• M10: 7,171,423 km (0.108 R)
• M11: 7,831,299 km (0.041 R)
• M12: 9,721,468 km (0.109 R)
• M13: 10,443,278 km (0.117 R)
• M14: 10,929,321 km (0.091 R)
• M15: 11,804,319 km (0.114 R)
• M16: 12,576,843 km (0.11 R)
• M17: 14,116,354 km (0.088 R)
• M18: 16,009,067 km (0.079 R)
• M19: 17,320,591 km (0.059 R)
• M20: 19,887,092 km (0.069 R)
• M21: 20,704,046 km (0.114 R)
• M22: 22,405,123 km (0.11 R)
• M23: 28,151,178 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.2

Radius: 7.6

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.77 AU - 7.55 AU

Year: 9721 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,553,234 km

• M1: 95,593 km (0.037 R)
• M2: 372,200 km (0.117 R)
• M3: 666,907 km (0.025 R)
• M4: 920,924 km (0.112 R)
• M5: 1,299,108 km (0.044 R)
• M6: 1,538,614 km (0.082 R)
• M7: 1,778,120 km (0.088 R)
• M8: 2,691,415 km (0.095 R)
• M9: 3,151,130 km (0.114 R)
• M10: 3,517,644 km (0.117 R)
• M11: 4,094,045 km (0.074 R)
• M12: 4,616,291 km (0.106 R)
• M13: 5,927,816 km (0.105 R)
• M14: 7,471,366 km (0.096 R)
• M15: 8,208,435 km (0.097 R)
• M16: 9,922,677 km (0.103 R)
• M17: 10,812,635 km (0.051 R)
• M18: 11,120,807 km (0.108 R)
• M19: 16,074,590 km (0.077 R)
• M20: 17,650,903 km (0.094 R)
• M21: 18,006,797 km (0.052 R)
• M22: 19,478,391 km (0.11 R)
• M23: 24,196,857 km (0.027 R)
• M24: 24,902,211 km (0.115 R)
• M25: 25,259,900 km (0.085 R)
• M26: 27,479,184 km (0.04 R)
• M27: 31,774,737 km (0.1 R)
• M28: 33,048,862 km (0.118 R)
• M29: 36,727,923 km (0.067 R)
• M30: 41,667,794 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 16,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit