🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 11.5

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.72 AU - 0.82 AU

Year: 458 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,950,533 km

• M1: 143,016 km (0.11 R)
• M2: 635,941 km (0.115 R)
• M3: 999,763 km (0.115 R)
• M4: 1,434,943 km (0.103 R)
• M5: 2,983,730 km (0.085 R)
• M6: 3,644,354 km (0.105 R)
• M7: 4,414,783 km (0.104 R)
• M8: 5,257,468 km (0.106 R)
• M9: 5,894,754 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 12.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,950,533 km

• M1: 153,039 km (0.103 R)
• M2: 587,471 km (0.111 R)
• M3: 983,905 km (0.113 R)
• M4: 1,411,157 km (0.118 R)
• M5: 2,066,994 km (0.075 R)
• M6: 2,566,950 km (0.084 R)
• M7: 3,170,727 km (0.111 R)
• M8: 4,018,797 km (0.095 R)
• M9: 4,451,733 km (0.112 R)
• M10: 4,947,800 km (0.12 R)
• M11: 6,070,233 km (0.098 R)
• M12: 6,801,018 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 8.4

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.06 AU - 1.12 AU

Year: 772 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,950,533 km

• M1: 104,569 km (0.079 R)
• M2: 474,375 km (0.109 R)
• M3: 755,918 km (0.044 R)
• M4: 1,040,304 km (0.111 R)
• M5: 1,465,760 km (0.09 R)
• M6: 2,308,594 km (0.075 R)
• M7: 2,691,415 km (0.076 R)
• M8: 3,129,288 km (0.116 R)
• M9: 3,499,094 km (0.103 R)
• M10: 4,342,976 km (0.091 R)
• M11: 4,698,869 km (0.091 R)
• M12: 4,982,955 km (0.074 R)
• M13: 5,966,262 km (0.081 R)
• M14: 6,959,293 km (0.054 R)
• M15: 7,352,885 km (0.094 R)
• M16: 7,810,206 km (0.105 R)
• M17: 9,077,748 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 11

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.19 AU - 1.79 AU

Year: 1234 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,950,533 km

• M1: 136,732 km (0.108 R)
• M2: 498,460 km (0.091 R)
• M3: 1,082,939 km (0.112 R)
• M4: 1,834,369 km (0.05 R)
• M5: 2,205,222 km (0.072 R)
• M6: 3,930,235 km (0.111 R)
• M7: 4,940,021 km (0.072 R)
• M8: 5,559,506 km (0.067 R)
• M9: 6,253,341 km (0.111 R)
• M10: 7,258,489 km (0.079 R)
• M11: 7,732,564 km (0.092 R)
• M12: 9,098,542 km (0.088 R)
• M13: 10,990,208 km (0.086 R)
• M14: 12,156,024 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.9

Radius: 5.5

Gravity: 24.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.14 AU - 7.24 AU

Year: 10445 Days

Day: 20.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,950,533 km

• M1: 69,413 km (0.09 R)
• M2: 242,199 km (0.087 R)
• M3: 732,132 km (0.101 R)
• M4: 1,529,339 km (0.096 R)
• M5: 1,817,764 km (0.112 R)
• M6: 4,369,604 km (0.089 R)
• M7: 5,015,418 km (0.12 R)
• M8: 6,045,400 km (0.025 R)
• M9: 8,561,187 km (0.104 R)
• M10: 9,468,797 km (0.065 R)
• M11: 13,680,725 km (0.088 R)
• M12: 15,119,408 km (0.054 R)
• M13: 16,946,148 km (0.059 R)
• M14: 21,972,486 km (0.077 R)
• M15: 22,762,962 km (0.08 R)
• M16: 24,493,959 km (0.111 R)
• M17: 25,439,417 km (0.059 R)
• M18: 27,908,979 km (0.046 R)
• M19: 28,940,007 km (0.091 R)
• M20: 31,850,284 km (0.051 R)
• M21: 34,831,471 km (0.113 R)
• M22: 37,619,377 km (0.12 R)
• M23: 38,244,546 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.9

Radius: 3.8

Gravity: 57.47 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.1 AU - 11.48 AU

Year: 19205 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,950,533 km

• M1: 110,702 km (0.098 R)
• M2: 588,518 km (0.106 R)
• M3: 3,947,589 km (0.069 R)
• M4: 4,550,019 km (0.087 R)
• M5: 5,097,099 km (0.11 R)
• M6: 5,525,248 km (0.11 R)
• M7: 5,851,371 km (0.089 R)
• M8: 6,104,341 km (0.086 R)
• M9: 6,542,064 km (0.115 R)
• M10: 9,104,676 km (0.06 R)
• M11: 10,391,218 km (0.073 R)
• M12: 13,246,592 km (0.097 R)
• M13: 14,813,929 km (0.071 R)
• M14: 15,521,976 km (0.068 R)
• M15: 18,580,504 km (0.095 R)
• M16: 21,417,478 km (0.077 R)
• M17: 30,868,324 km (0.06 R)
• M18: 35,929,070 km (0.113 R)
• M19: 38,215,674 km (0.096 R)
• M20: 38,361,681 km (0.05 R)
• M21: 40,143,541 km (0.056 R)
• M22: 40,445,729 km (0.117 R)
• M23: 41,207,930 km (0.059 R)
• M24: 54,554,155 km (0.056 R)
• M25: 71,615,642 km (0.089 R)
• M26: 72,060,098 km (0.092 R)
• M27: 72,506,498 km (0.114 R)
• M28: 74,994,460 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit