🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 9.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 376 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,548,666 km

• M1: 118,631 km (0.042 R)
• M2: 547,079 km (0.092 R)
• M3: 1,214,136 km (0.108 R)
• M4: 1,634,207 km (0.105 R)
• M5: 2,488,561 km (0.117 R)
• M6: 3,389,589 km (0.063 R)
• M7: 4,038,395 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 10

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.24 AU - 2.8 AU

Year: 2624 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,548,666 km

• M1: 125,662 km (0.107 R)
• M2: 482,004 km (0.069 R)
• M3: 863,479 km (0.06 R)
• M4: 1,290,581 km (0.081 R)
• M5: 1,676,543 km (0.033 R)
• M6: 2,037,822 km (0.066 R)
• M7: 2,671,220 km (0.076 R)
• M8: 3,117,919 km (0.117 R)
• M9: 4,413,287 km (0.082 R)
• M10: 6,063,501 km (0.118 R)
• M11: 9,489,442 km (0.093 R)
• M12: 11,693,168 km (0.081 R)
• M13: 13,430,149 km (0.079 R)
• M14: 14,841,306 km (0.109 R)
• M15: 16,348,654 km (0.097 R)
• M16: 17,139,578 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 13.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.63 AU - 4.45 AU

Year: 5327 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,548,666 km

• M1: 165,455 km (0.117 R)
• M2: 701,614 km (0.065 R)
• M3: 1,225,057 km (0.054 R)
• M4: 1,642,884 km (0.085 R)
• M5: 2,504,717 km (0.086 R)
• M6: 2,983,131 km (0.114 R)
• M7: 3,469,474 km (0.112 R)
• M8: 4,350,755 km (0.1 R)
• M9: 5,819,058 km (0.085 R)
• M10: 6,420,591 km (0.117 R)
• M11: 7,179,501 km (0.085 R)
• M12: 7,841,322 km (0.083 R)
• M13: 10,445,971 km (0.092 R)
• M14: 10,982,279 km (0.107 R)
• M15: 12,446,244 km (0.06 R)
• M16: 12,918,524 km (0.098 R)
• M17: 14,267,747 km (0.102 R)
• M18: 15,315,531 km (0.103 R)
• M19: 15,858,272 km (0.028 R)
• M20: 16,516,203 km (0.044 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19

Radius: 6.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.8 AU - 9.08 AU

Year: 14677 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 98 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,548,666 km

• M1: 83,775 km (0.053 R)
• M2: 354,996 km (0.088 R)
• M3: 843,433 km (0.104 R)
• M4: 1,209,798 km (0.071 R)
• M5: 3,250,163 km (0.079 R)
• M6: 3,624,906 km (0.047 R)
• M7: 4,589,663 km (0.098 R)
• M8: 5,369,516 km (0.044 R)
• M9: 6,181,085 km (0.118 R)
• M10: 7,517,443 km (0.113 R)
• M11: 9,489,442 km (0.036 R)
• M12: 12,881,573 km (0.107 R)
• M13: 14,233,190 km (0.074 R)
• M14: 15,136,462 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56

Radius: 5.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.14 AU - 11.28 AU

Year: 21402 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,548,666 km

• M1: 139,874 km (0.082 R)
• M2: 418,276 km (0.076 R)
• M3: 737,069 km (0.077 R)
• M4: 906,862 km (0.082 R)
• M5: 1,113,158 km (0.053 R)
• M6: 1,362,238 km (0.098 R)
• M7: 1,582,745 km (0.106 R)
• M8: 2,111,424 km (0.109 R)
• M9: 2,339,711 km (0.076 R)
• M10: 2,530,448 km (0.06 R)
• M11: 4,454,277 km (0.094 R)
• M12: 5,084,233 km (0.076 R)
• M13: 5,803,051 km (0.108 R)
• M14: 6,828,844 km (0.111 R)
• M15: 8,895,089 km (0.1 R)
• M16: 9,756,025 km (0.101 R)
• M17: 14,152,707 km (0.114 R)
• M18: 14,439,486 km (0.066 R)
• M19: 17,457,623 km (0.119 R)
• M20: 19,218,090 km (0.066 R)
• M21: 26,655,349 km (0.033 R)
• M22: 28,981,895 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 18,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit