🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 14.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.51 AU - 0.61 AU

Year: 295 Days

Day: 14.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,976,072 km

• M1: 182,958 km (0.05 R)
• M2: 774,319 km (0.11 R)
• M3: 1,381,088 km (0.04 R)
• M4: 2,175,153 km (0.086 R)
• M5: 2,632,623 km (0.099 R)
• M6: 3,249,116 km (0.09 R)
• M7: 3,759,095 km (0.098 R)
• M8: 4,310,064 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.6

Radius: 14.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.47 AU - 0.69 AU

Year: 310 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,976,072 km

• M1: 181,612 km (0.104 R)
• M2: 803,789 km (0.102 R)
• M3: 1,826,141 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 13.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.48 AU - 0.74 AU

Year: 335 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,976,072 km

• M1: 172,935 km (0.108 R)
• M2: 612,005 km (0.07 R)
• M3: 1,215,333 km (0.093 R)
• M4: 1,881,193 km (0.104 R)
• M5: 2,646,237 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.75 AU - 2.23 AU

Year: 1973 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,976,072 km

• M1: 102,923 km (0.102 R)
• M2: 457,321 km (0.102 R)
• M3: 747,241 km (0.12 R)
• M4: 1,201,271 km (0.11 R)
• M5: 1,654,552 km (0.065 R)
• M6: 2,017,178 km (0.116 R)
• M7: 2,445,028 km (0.065 R)
• M8: 2,758,286 km (0.084 R)
• M9: 3,334,836 km (0.111 R)
• M10: 3,669,337 km (0.081 R)
• M11: 3,989,326 km (0.042 R)
• M12: 4,504,392 km (0.054 R)
• M13: 4,892,898 km (0.107 R)
• M14: 7,017,935 km (0.081 R)
• M15: 7,654,175 km (0.116 R)
• M16: 9,072,961 km (0.085 R)
• M17: 9,693,344 km (0.1 R)
• M18: 10,134,059 km (0.059 R)
• M19: 10,982,578 km (0.067 R)
• M20: 11,916,069 km (0.092 R)
• M21: 12,225,587 km (0.093 R)
• M22: 12,620,226 km (0.107 R)
• M23: 12,941,861 km (0.114 R)
• M24: 13,476,375 km (0.089 R)
• M25: 14,327,138 km (0.031 R)
• M26: 14,810,189 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 10.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.35 AU - 6.29 AU

Year: 8625 Days

Day: 8.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,976,072 km

• M1: 133,740 km (0.101 R)
• M2: 807,679 km (0.074 R)
• M3: 1,474,287 km (0.116 R)
• M4: 1,951,654 km (0.096 R)
• M5: 4,539,847 km (0.102 R)
• M6: 5,060,447 km (0.116 R)
• M7: 5,559,655 km (0.119 R)
• M8: 7,220,940 km (0.089 R)
• M9: 7,664,647 km (0.071 R)
• M10: 8,244,638 km (0.056 R)
• M11: 8,895,538 km (0.064 R)
• M12: 9,276,414 km (0.115 R)
• M13: 11,897,070 km (0.057 R)
• M14: 12,622,470 km (0.104 R)
• M15: 15,154,713 km (0.103 R)
• M16: 16,444,995 km (0.11 R)
• M17: 17,149,601 km (0.097 R)
• M18: 17,873,954 km (0.025 R)
• M19: 19,738,841 km (0.075 R)
• M20: 21,653,843 km (0.099 R)
• M21: 22,112,809 km (0.088 R)
• M22: 24,423,348 km (0.107 R)
• M23: 26,453,541 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12

Radius: 3.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.4 AU - 6.94 AU

Year: 9490 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,976,072 km

• M1: 40,391 km (0.094 R)
• M2: 285,134 km (0.109 R)
• M3: 434,881 km (0.086 R)
• M4: 602,281 km (0.03 R)
• M5: 4,364,069 km (0.113 R)
• M6: 4,605,221 km (0.057 R)
• M7: 5,257,617 km (0.112 R)
• M8: 7,714,164 km (0.112 R)
• M9: 10,087,684 km (0.117 R)
• M10: 11,386,642 km (0.072 R)
• M11: 11,986,380 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.5

Radius: 4.8

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.14 AU - 11.22 AU

Year: 22831 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,976,072 km

• M1: 60,138 km (0.084 R)
• M2: 490,232 km (0.065 R)
• M3: 1,641,537 km (0.094 R)
• M4: 2,111,574 km (0.058 R)
• M5: 2,598,066 km (0.046 R)
• M6: 5,996,331 km (0.081 R)
• M7: 7,741,091 km (0.056 R)
• M8: 8,126,755 km (0.083 R)
• M9: 8,780,497 km (0.108 R)
• M10: 8,936,229 km (0.1 R)
• M11: 9,199,820 km (0.091 R)
• M12: 10,078,558 km (0.072 R)
• M13: 14,731,501 km (0.111 R)
• M14: 15,625,049 km (0.03 R)
• M15: 19,210,611 km (0.078 R)
• M16: 38,598,794 km (0.068 R)
• M17: 43,069,227 km (0.086 R)
• M18: 44,276,482 km (0.037 R)
• M19: 51,658,538 km (0.109 R)
• M20: 63,815,160 km (0.029 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: 157 - 16,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit