🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 9.3

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.93 AU - 1.21 AU

Year: 726 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,901,256 km

• M1: 116,238 km (0.12 R)
• M2: 555,008 km (0.12 R)
• M3: 851,511 km (0.079 R)
• M4: 1,185,114 km (0.079 R)
• M5: 1,511,836 km (0.107 R)
• M6: 1,844,991 km (0.09 R)
• M7: 2,166,626 km (0.067 R)
• M8: 2,875,869 km (0.089 R)
• M9: 3,489,670 km (0.113 R)
• M10: 3,805,770 km (0.092 R)
• M11: 4,172,434 km (0.101 R)
• M12: 4,496,014 km (0.085 R)
• M13: 5,102,783 km (0.115 R)
• M14: 5,588,079 km (0.092 R)
• M15: 6,124,387 km (0.086 R)
• M16: 6,479,383 km (0.094 R)
• M17: 7,185,036 km (0.103 R)
• M18: 7,675,268 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.3

Radius: 9.7

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.05 AU - 3.35 AU

Year: 3755 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,901,256 km

• M1: 120,875 km (0.088 R)
• M2: 474,375 km (0.082 R)
• M3: 1,037,162 km (0.119 R)
• M4: 2,033,484 km (0.042 R)
• M5: 2,408,376 km (0.049 R)
• M6: 2,711,312 km (0.064 R)
• M7: 3,223,236 km (0.101 R)
• M8: 5,154,544 km (0.052 R)
• M9: 5,525,248 km (0.105 R)
• M10: 6,085,941 km (0.064 R)
• M11: 7,486,177 km (0.087 R)
• M12: 8,032,358 km (0.109 R)
• M13: 8,532,015 km (0.095 R)
• M14: 11,258,885 km (0.095 R)
• M15: 11,748,968 km (0.082 R)
• M16: 15,315,232 km (0.095 R)
• M17: 17,758,015 km (0.11 R)
• M18: 19,103,199 km (0.069 R)
• M19: 20,058,531 km (0.098 R)
• M20: 22,832,076 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 11.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.3 AU - 5.9 AU

Year: 7556 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,901,256 km

• M1: 143,016 km (0.046 R)
• M2: 494,571 km (0.08 R)
• M3: 1,198,129 km (0.112 R)
• M4: 2,352,875 km (0.087 R)
• M5: 3,892,836 km (0.071 R)
• M6: 5,366,225 km (0.115 R)
• M7: 6,630,776 km (0.084 R)
• M8: 7,763,980 km (0.03 R)
• M9: 8,413,983 km (0.111 R)
• M10: 8,867,264 km (0.093 R)
• M11: 9,905,473 km (0.111 R)
• M12: 10,411,114 km (0.052 R)
• M13: 10,889,827 km (0.097 R)
• M14: 11,247,067 km (0.039 R)
• M15: 11,797,737 km (0.079 R)
• M16: 17,109,957 km (0.07 R)
• M17: 22,510,141 km (0.111 R)
• M18: 24,056,534 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 5.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.38 AU - 7.92 AU

Year: 12542 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,901,256 km

• M1: 70,909 km (0.085 R)
• M2: 429,047 km (0.088 R)
• M3: 694,284 km (0.04 R)
• M4: 1,575,415 km (0.082 R)
• M5: 1,877,453 km (0.091 R)
• M6: 2,269,101 km (0.073 R)
• M7: 3,440,601 km (0.107 R)
• M8: 4,157,026 km (0.077 R)
• M9: 4,453,229 km (0.113 R)
• M10: 4,734,773 km (0.079 R)
• M11: 6,254,089 km (0.099 R)
• M12: 8,576,446 km (0.087 R)
• M13: 9,056,954 km (0.116 R)
• M14: 11,732,512 km (0.079 R)
• M15: 18,577,064 km (0.109 R)
• M16: 22,091,118 km (0.092 R)
• M17: 28,536,841 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.3

Radius: 6.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.62 AU - 10.82 AU

Year: 18366 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,901,256 km

• M1: 85,869 km (0.098 R)
• M2: 407,654 km (0.12 R)
• M3: 1,109,268 km (0.089 R)
• M4: 1,500,167 km (0.099 R)
• M5: 1,787,246 km (0.116 R)
• M6: 2,096,016 km (0.08 R)
• M7: 2,439,792 km (0.118 R)
• M8: 3,550,855 km (0.081 R)
• M9: 3,835,091 km (0.116 R)
• M10: 4,182,158 km (0.107 R)
• M11: 4,549,870 km (0.115 R)
• M12: 5,349,919 km (0.091 R)
• M13: 5,695,041 km (0.103 R)
• M14: 8,236,111 km (0.115 R)
• M15: 8,735,768 km (0.064 R)
• M16: 9,378,291 km (0.052 R)
• M17: 9,923,126 km (0.054 R)
• M18: 11,924,446 km (0.113 R)
• M19: 12,613,943 km (0.063 R)
• M20: 22,479,922 km (0.086 R)
• M21: 23,530,548 km (0.087 R)
• M22: 24,850,001 km (0.097 R)
• M23: 26,712,645 km (0.083 R)
• M24: 28,320,074 km (0.109 R)
• M25: 29,901,323 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 15,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit