🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 10.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.73 AU - 1.19 AU

Year: 627 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,869,697 km

• M1: 133,142 km (0.101 R)
• M2: 493,523 km (0.079 R)
• M3: 899,682 km (0.106 R)
• M4: 1,422,377 km (0.076 R)
• M5: 1,938,938 km (0.105 R)
• M6: 2,318,318 km (0.066 R)
• M7: 3,205,134 km (0.114 R)
• M8: 3,647,046 km (0.103 R)
• M9: 4,187,095 km (0.097 R)
• M10: 4,576,199 km (0.114 R)
• M11: 5,171,898 km (0.069 R)
• M12: 6,114,364 km (0.087 R)
• M13: 6,837,670 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 14.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.05 AU - 2.67 AU

Year: 2418 Days

Day: 9.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,869,697 km

• M1: 187,147 km (0.083 R)
• M2: 804,089 km (0.027 R)
• M3: 1,498,223 km (0.062 R)
• M4: 2,034,082 km (0.092 R)
• M5: 4,251,721 km (0.088 R)
• M6: 4,794,911 km (0.112 R)
• M7: 6,986,969 km (0.098 R)
• M8: 7,770,413 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 13.1

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.43 AU - 6.27 AU

Year: 8252 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,869,697 km

• M1: 237,113 km (0.054 R)
• M2: 837,898 km (0.102 R)
• M3: 1,268,141 km (0.101 R)
• M4: 2,741,531 km (0.038 R)
• M5: 3,900,914 km (0.105 R)
• M6: 4,358,833 km (0.089 R)
• M7: 8,377,930 km (0.101 R)
• M8: 9,750,640 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.4

Radius: 5.1

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.53 AU - 9.63 AU

Year: 15316 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,869,697 km

• M1: 63,429 km (0.069 R)
• M2: 358,736 km (0.084 R)
• M3: 1,319,004 km (0.1 R)
• M4: 2,531,645 km (0.092 R)
• M5: 3,676,667 km (0.099 R)
• M6: 5,339,597 km (0.116 R)
• M7: 6,157,598 km (0.087 R)
• M8: 8,709,738 km (0.103 R)
• M9: 12,011,961 km (0.092 R)
• M10: 16,588,160 km (0.094 R)
• M11: 17,672,296 km (0.119 R)
• M12: 18,070,675 km (0.05 R)
• M13: 20,500,144 km (0.05 R)
• M14: 20,763,287 km (0.06 R)
• M15: 25,588,417 km (0.099 R)
• M16: 26,407,315 km (0.082 R)
• M17: 27,349,333 km (0.044 R)
• M18: 33,355,538 km (0.115 R)
• M19: 34,332,263 km (0.091 R)
• M20: 41,849,705 km (0.094 R)
• M21: 43,272,530 km (0.086 R)
• M22: 43,995,836 km (0.051 R)
• M23: 51,193,887 km (0.119 R)
• M24: 53,480,491 km (0.071 R)
• M25: 55,664,021 km (0.078 R)
• M26: 56,519,422 km (0.071 R)
• M27: 57,731,613 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 6.7

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.05 AU - 12.41 AU

Year: 23438 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,869,697 km

• M1: 83,326 km (0.086 R)
• M2: 359,334 km (0.063 R)
• M3: 576,401 km (0.075 R)
• M4: 787,932 km (0.09 R)
• M5: 1,131,259 km (0.105 R)
• M6: 1,392,158 km (0.097 R)
• M7: 1,976,637 km (0.066 R)
• M8: 3,241,487 km (0.102 R)
• M9: 3,867,404 km (0.097 R)
• M10: 4,327,567 km (0.12 R)
• M11: 4,787,132 km (0.09 R)
• M12: 6,142,638 km (0.12 R)
• M13: 6,450,810 km (0.106 R)
• M14: 7,736,603 km (0.092 R)
• M15: 10,063,150 km (0.107 R)
• M16: 14,600,752 km (0.095 R)
• M17: 16,289,712 km (0.102 R)
• M18: 20,146,644 km (0.03 R)
• M19: 20,729,179 km (0.106 R)
• M20: 27,896,263 km (0.068 R)
• M21: 28,377,220 km (0.086 R)
• M22: 34,037,854 km (0.063 R)
• M23: 34,449,098 km (0.097 R)
• M24: 38,597,447 km (0.119 R)
• M25: 43,547,940 km (0.117 R)
• M26: 44,848,544 km (0.097 R)
• M27: 49,079,621 km (0.094 R)
• M28: 54,125,856 km (0.111 R)
• M29: 59,705,557 km (0.113 R)
• M30: 66,721,249 km (0.068 R)
• M31: 66,935,473 km (0.062 R)
• M32: 75,887,858 km (0.113 R)
• M33: 77,295,873 km (0.196 R)
• M34: 81,624,637 km (0.048 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit