🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.29 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 10.1

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.37 AU - 2.79 AU

Year: 2676 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,191,700 km

• M1: 127,757 km (0.06 R)
• M2: 475,123 km (0.107 R)
• M3: 831,166 km (0.069 R)
• M4: 1,259,614 km (0.117 R)
• M5: 1,857,407 km (0.12 R)
• M6: 2,175,153 km (0.078 R)
• M7: 2,529,401 km (0.091 R)
• M8: 2,955,456 km (0.06 R)
• M9: 5,160,827 km (0.039 R)
• M10: 6,120,348 km (0.073 R)
• M11: 7,537,190 km (0.066 R)
• M12: 9,453,239 km (0.109 R)
• M13: 10,017,223 km (0.064 R)
• M14: 13,932,498 km (0.086 R)
• M15: 15,368,189 km (0.048 R)
• M16: 16,095,534 km (0.117 R)
• M17: 18,358,052 km (0.109 R)
• M18: 18,823,002 km (0.108 R)
• M19: 19,535,238 km (0.111 R)
• M20: 20,388,843 km (0.068 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.4

Radius: 6.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.9 AU - 6.76 AU

Year: 10283 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 97.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,191,700 km

• M1: 83,924 km (0.077 R)
• M2: 332,406 km (0.052 R)
• M3: 549,174 km (0.087 R)
• M4: 932,892 km (0.062 R)
• M5: 1,298,360 km (0.104 R)
• M6: 1,521,410 km (0.113 R)
• M7: 1,783,805 km (0.113 R)
• M8: 2,234,543 km (0.097 R)
• M9: 3,234,306 km (0.102 R)
• M10: 4,196,819 km (0.114 R)
• M11: 4,992,679 km (0.119 R)
• M12: 5,308,331 km (0.061 R)
• M13: 6,672,215 km (0.106 R)
• M14: 7,055,634 km (0.063 R)
• M15: 7,866,454 km (0.056 R)
• M16: 9,154,343 km (0.11 R)
• M17: 9,937,787 km (0.103 R)
• M18: 12,872,149 km (0.06 R)
• M19: 13,140,079 km (0.115 R)
• M20: 13,742,659 km (0.082 R)
• M21: 14,363,490 km (0.115 R)
• M22: 15,180,294 km (0.082 R)
• M23: 17,619,039 km (0.083 R)
• M24: 19,173,361 km (0.099 R)
• M25: 25,374,641 km (0.115 R)
• M26: 27,088,734 km (0.065 R)
• M27: 27,352,475 km (0.104 R)
• M28: 28,424,044 km (0.079 R)
• M29: 33,392,339 km (0.094 R)
• M30: 33,695,424 km (0.08 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.7

Radius: 4.4

Gravity: 36.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.43 AU - 7.95 AU

Year: 11173 Days

Day: 22.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,191,700 km

• M1: 56,249 km (0.066 R)
• M2: 338,241 km (0.108 R)
• M3: 608,415 km (0.114 R)
• M4: 847,771 km (0.09 R)
• M5: 1,501,215 km (0.11 R)
• M6: 2,500,977 km (0.119 R)
• M7: 3,162,948 km (0.111 R)
• M8: 3,852,295 km (0.052 R)
• M9: 4,667,603 km (0.091 R)
• M10: 5,082,887 km (0.105 R)
• M11: 5,248,940 km (0.074 R)
• M12: 8,106,559 km (0.069 R)
• M13: 9,137,288 km (0.059 R)
• M14: 11,007,411 km (0.109 R)
• M15: 12,149,441 km (0.105 R)
• M16: 13,180,470 km (0.064 R)
• M17: 16,188,584 km (0.098 R)
• M18: 16,767,378 km (0.119 R)
• M19: 20,448,832 km (0.077 R)
• M20: 22,078,551 km (0.119 R)
• M21: 22,254,927 km (0.059 R)
• M22: 25,886,116 km (0.041 R)
• M23: 31,874,370 km (0.107 R)
• M24: 45,058,729 km (0.058 R)
• M25: 48,545,257 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.6

Radius: 7.6

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.35 AU - 11.93 AU

Year: 19326 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,191,700 km

• M1: 94,845 km (0.059 R)
• M2: 378,931 km (0.118 R)
• M3: 831,166 km (0.108 R)
• M4: 1,745,957 km (0.08 R)
• M5: 3,746,379 km (0.114 R)
• M6: 4,848,617 km (0.096 R)
• M7: 6,752,399 km (0.094 R)
• M8: 7,532,253 km (0.051 R)
• M9: 8,892,097 km (0.113 R)
• M10: 9,269,832 km (0.105 R)
• M11: 10,408,421 km (0.094 R)
• M12: 18,208,155 km (0.115 R)
• M13: 20,916,475 km (0.094 R)
• M14: 22,267,793 km (0.1 R)
• M15: 22,664,377 km (0.094 R)
• M16: 28,956,164 km (0.111 R)
• M17: 32,498,941 km (0.102 R)
• M18: 44,841,663 km (0.12 R)
• M19: 48,892,474 km (0.069 R)
• M20: 51,436,535 km (0.09 R)
• M21: 53,357,222 km (0.105 R)
• M22: 57,156,110 km (0.064 R)
• M23: 62,890,047 km (0.072 R)
• M24: 66,303,571 km (0.116 R)
• M25: 67,330,561 km (0.088 R)
• M26: 69,627,187 km (0.047 R)
• M27: 70,262,530 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 16,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit