🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 13.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.53 AU - 0.57 AU

Year: 272 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,695,968 km

• M1: 165,455 km (0.075 R)
• M2: 735,274 km (0.092 R)
• M3: 1,571,675 km (0.085 R)
• M4: 1,994,588 km (0.114 R)
• M5: 2,459,838 km (0.105 R)
• M6: 3,058,229 km (0.102 R)
• M7: 3,513,605 km (0.078 R)
• M8: 3,953,872 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.6

Radius: 10.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.76 AU - 1.18 AU

Year: 637 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,695,968 km

• M1: 126,859 km (0.067 R)
• M2: 496,815 km (0.099 R)
• M3: 895,343 km (0.066 R)
• M4: 1,213,688 km (0.049 R)
• M5: 1,744,760 km (0.119 R)
• M6: 2,082,851 km (0.065 R)
• M7: 2,425,580 km (0.081 R)
• M8: 2,752,601 km (0.066 R)
• M9: 3,298,932 km (0.1 R)
• M10: 3,862,019 km (0.11 R)
• M11: 5,381,335 km (0.089 R)
• M12: 6,181,534 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 10.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.94 AU - 3.58 AU

Year: 3925 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,695,968 km

• M1: 131,796 km (0.081 R)
• M2: 513,270 km (0.094 R)
• M3: 1,149,360 km (0.119 R)
• M4: 1,878,650 km (0.048 R)
• M5: 2,422,139 km (0.108 R)
• M6: 2,784,764 km (0.064 R)
• M7: 4,424,507 km (0.084 R)
• M8: 5,439,079 km (0.11 R)
• M9: 6,741,179 km (0.065 R)
• M10: 7,286,763 km (0.115 R)
• M11: 7,955,316 km (0.104 R)
• M12: 9,000,107 km (0.081 R)
• M13: 9,769,788 km (0.086 R)
• M14: 11,520,532 km (0.088 R)
• M15: 12,092,594 km (0.091 R)
• M16: 12,427,843 km (0.106 R)
• M17: 13,337,847 km (0.106 R)
• M18: 15,633,127 km (0.111 R)
• M19: 16,641,566 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 13.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.32 AU - 4.84 AU

Year: 5496 Days

Day: 6.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,695,968 km

• M1: 168,746 km (0.097 R)
• M2: 1,279,062 km (0.04 R)
• M3: 2,164,831 km (0.08 R)
• M4: 3,068,552 km (0.084 R)
• M5: 3,575,688 km (0.075 R)
• M6: 4,380,375 km (0.092 R)
• M7: 5,736,181 km (0.119 R)
• M8: 6,193,202 km (0.105 R)
• M9: 7,009,259 km (0.052 R)
• M10: 8,463,051 km (0.103 R)
• M11: 9,385,471 km (0.104 R)
• M12: 11,430,325 km (0.074 R)
• M13: 12,009,418 km (0.046 R)
• M14: 13,919,334 km (0.083 R)
• M15: 15,261,825 km (0.049 R)
• M16: 16,811,809 km (0.089 R)
• M17: 18,927,272 km (0.03 R)
• M18: 22,612,765 km (0.092 R)
• M19: 25,185,101 km (0.073 R)
• M20: 26,416,590 km (0.104 R)
• M21: 28,033,743 km (0.102 R)
• M22: 28,910,836 km (0.039 R)
• M23: 29,535,706 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.4

Radius: 6.1

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.35 AU - 8.77 AU

Year: 16701 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,695,968 km

• M1: 75,846 km (0.096 R)
• M2: 329,265 km (0.112 R)
• M3: 531,671 km (0.085 R)
• M4: 1,441,525 km (0.076 R)
• M5: 1,653,655 km (0.095 R)
• M6: 2,297,225 km (0.082 R)
• M7: 2,834,431 km (0.116 R)
• M8: 3,219,945 km (0.095 R)
• M9: 3,722,444 km (0.103 R)
• M10: 4,430,191 km (0.064 R)
• M11: 7,618,122 km (0.075 R)
• M12: 8,458,862 km (0.11 R)
• M13: 8,653,938 km (0.116 R)
• M14: 8,951,937 km (0.054 R)
• M15: 11,292,395 km (0.086 R)
• M16: 13,278,457 km (0.104 R)
• M17: 14,353,916 km (0.106 R)
• M18: 18,493,438 km (0.083 R)
• M19: 18,988,159 km (0.053 R)
• M20: 19,832,339 km (0.108 R)
• M21: 22,328,978 km (0.113 R)
• M22: 23,748,961 km (0.099 R)
• M23: 27,828,046 km (0.056 R)
• M24: 29,359,480 km (0.051 R)
• M25: 43,394,154 km (0.053 R)
• M26: 44,708,221 km (0.102 R)
• M27: 45,598,927 km (0.052 R)
• M28: 46,350,058 km (0.062 R)
• M29: 46,804,686 km (0.111 R)
• M30: 57,226,870 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit