🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 9.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.62 AU - 0.98 AU

Year: 494 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,051,916 km

• M1: 119,379 km (0.093 R)
• M2: 431,291 km (0.085 R)
• M3: 994,227 km (0.119 R)
• M4: 1,516,773 km (0.111 R)
• M5: 1,933,702 km (0.079 R)
• M6: 2,417,352 km (0.063 R)
• M7: 3,061,520 km (0.107 R)
• M8: 3,593,640 km (0.108 R)
• M9: 4,446,348 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 10

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.47 AU - 2.03 AU

Year: 1598 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,051,916 km

• M1: 124,765 km (0.084 R)
• M2: 436,826 km (0.09 R)
• M3: 773,271 km (0.085 R)
• M4: 1,098,198 km (0.106 R)
• M5: 1,509,143 km (0.107 R)
• M6: 1,883,437 km (0.092 R)
• M7: 2,217,190 km (0.085 R)
• M8: 2,787,158 km (0.096 R)
• M9: 3,563,571 km (0.095 R)
• M10: 3,957,163 km (0.065 R)
• M11: 5,427,710 km (0.082 R)
• M12: 5,910,761 km (0.095 R)
• M13: 7,119,662 km (0.119 R)
• M14: 7,463,737 km (0.081 R)
• M15: 8,769,128 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 12.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.95 AU - 2.69 AU

Year: 2439 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,051,916 km

• M1: 157,676 km (0.115 R)
• M2: 782,846 km (0.088 R)
• M3: 1,316,012 km (0.097 R)
• M4: 1,728,155 km (0.089 R)
• M5: 2,487,813 km (0.088 R)
• M6: 3,070,496 km (0.107 R)
• M7: 3,641,063 km (0.108 R)
• M8: 4,609,858 km (0.07 R)
• M9: 6,487,910 km (0.043 R)
• M10: 7,908,940 km (0.101 R)
• M11: 10,537,524 km (0.09 R)
• M12: 11,916,667 km (0.08 R)
• M13: 12,493,068 km (0.119 R)
• M14: 14,163,777 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.7

Radius: 7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.78 AU - 8.64 AU

Year: 13363 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,051,916 km

• M1: 121,025 km (0.078 R)
• M2: 509,381 km (0.087 R)
• M3: 737,817 km (0.089 R)
• M4: 2,179,791 km (0.103 R)
• M5: 3,754,308 km (0.113 R)
• M6: 10,830,736 km (0.072 R)
• M7: 11,116,319 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.7

Radius: 6.7

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.06 AU - 10.1 AU

Year: 15854 Days

Day: 22.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,051,916 km

• M1: 83,326 km (0.09 R)
• M2: 561,590 km (0.112 R)
• M3: 1,078,152 km (0.099 R)
• M4: 1,333,665 km (0.109 R)
• M5: 1,612,964 km (0.083 R)
• M6: 1,875,060 km (0.111 R)
• M7: 2,311,437 km (0.096 R)
• M8: 2,669,724 km (0.035 R)
• M9: 4,864,175 km (0.06 R)
• M10: 5,189,999 km (0.112 R)
• M11: 6,007,252 km (0.11 R)
• M12: 6,997,440 km (0.071 R)
• M13: 8,971,833 km (0.077 R)
• M14: 12,057,140 km (0.075 R)
• M15: 20,586,462 km (0.116 R)
• M16: 22,513,432 km (0.074 R)
• M17: 23,215,346 km (0.099 R)
• M18: 23,520,675 km (0.116 R)
• M19: 28,080,268 km (0.049 R)
• M20: 28,311,098 km (0.081 R)
• M21: 33,196,067 km (0.068 R)
• M22: 36,108,438 km (0.063 R)
• M23: 36,655,517 km (0.058 R)
• M24: 50,477,613 km (0.026 R)
• M25: 51,851,968 km (0.115 R)
• M26: 53,782,230 km (0.047 R)
• M27: 55,396,540 km (0.074 R)
• M28: 58,721,951 km (0.072 R)
• M29: 61,398,556 km (0.093 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: 454 - 12,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit