🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 8.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.54 AU - 0.9 AU

Year: 407 Days

Day: 12 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,304,409 km

• M1: 102,026 km (0.111 R)
• M2: 381,774 km (0.119 R)
• M3: 1,124,378 km (0.119 R)
• M4: 1,388,418 km (0.057 R)
• M5: 1,869,824 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 13.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.28 AU - 1.42 AU

Year: 1046 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,304,409 km

• M1: 166,652 km (0.11 R)
• M2: 642,373 km (0.117 R)
• M3: 1,069,475 km (0.053 R)
• M4: 1,561,802 km (0.056 R)
• M5: 2,313,980 km (0.07 R)
• M6: 3,255,399 km (0.104 R)
• M7: 3,893,135 km (0.101 R)
• M8: 4,437,970 km (0.12 R)
• M9: 4,902,921 km (0.106 R)
• M10: 5,460,023 km (0.062 R)
• M11: 6,059,163 km (0.073 R)
• M12: 6,957,348 km (0.07 R)
• M13: 7,763,531 km (0.076 R)
• M14: 8,388,401 km (0.04 R)
• M15: 9,621,088 km (0.086 R)
• M16: 10,067,937 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.5

Radius: 11.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.47 AU - 2.15 AU

Year: 1624 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,304,409 km

• M1: 143,165 km (0.089 R)
• M2: 604,824 km (0.086 R)
• M3: 1,027,737 km (0.086 R)
• M4: 1,431,053 km (0.081 R)
• M5: 1,813,276 km (0.113 R)
• M6: 2,338,514 km (0.108 R)
• M7: 2,776,536 km (0.059 R)
• M8: 3,819,682 km (0.117 R)
• M9: 4,529,375 km (0.079 R)
• M10: 5,391,806 km (0.112 R)
• M11: 5,850,623 km (0.111 R)
• M12: 8,128,700 km (0.081 R)
• M13: 9,965,163 km (0.118 R)
• M14: 10,622,795 km (0.099 R)
• M15: 12,102,019 km (0.076 R)
• M16: 12,770,572 km (0.086 R)
• M17: 13,380,782 km (0.08 R)
• M18: 13,967,804 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 8.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.99 AU - 2.85 AU

Year: 2510 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,304,409 km

• M1: 102,026 km (0.119 R)
• M2: 527,332 km (0.103 R)
• M3: 1,181,374 km (0.1 R)
• M4: 1,477,429 km (0.118 R)
• M5: 1,887,626 km (0.118 R)
• M6: 2,259,227 km (0.101 R)
• M7: 2,967,274 km (0.117 R)
• M8: 3,340,670 km (0.11 R)
• M9: 4,315,300 km (0.073 R)
• M10: 6,251,994 km (0.115 R)
• M11: 7,027,360 km (0.109 R)
• M12: 8,831,062 km (0.113 R)
• M13: 10,285,003 km (0.086 R)
• M14: 11,032,394 km (0.099 R)
• M15: 11,663,548 km (0.074 R)
• M16: 11,968,727 km (0.078 R)
• M17: 12,240,247 km (0.08 R)
• M18: 13,408,906 km (0.053 R)
• M19: 13,956,285 km (0.115 R)
• M20: 14,213,892 km (0.081 R)
• M21: 14,916,404 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 14.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.97 AU - 2.99 AU

Year: 3430 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,304,409 km

• M1: 184,005 km (0.059 R)
• M2: 1,474,437 km (0.079 R)
• M3: 1,938,938 km (0.104 R)
• M4: 2,973,108 km (0.116 R)
• M5: 4,405,956 km (0.106 R)
• M6: 6,479,233 km (0.092 R)
• M7: 7,955,016 km (0.035 R)
• M8: 9,390,109 km (0.076 R)
• M9: 10,506,707 km (0.118 R)
• M10: 12,006,426 km (0.094 R)
• M11: 12,730,180 km (0.081 R)
• M12: 13,726,502 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.3

Radius: 5.8

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.83 AU - 9.03 AU

Year: 13506 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 157.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,304,409 km

• M1: 78,688 km (0.118 R)
• M2: 281,992 km (0.072 R)
• M3: 554,410 km (0.055 R)
• M4: 911,051 km (0.043 R)
• M5: 1,163,273 km (0.073 R)
• M6: 1,553,873 km (0.05 R)
• M7: 1,735,934 km (0.084 R)
• M8: 1,948,213 km (0.104 R)
• M9: 2,229,158 km (0.097 R)
• M10: 2,443,532 km (0.091 R)
• M11: 3,560,579 km (0.111 R)
• M12: 4,033,458 km (0.05 R)
• M13: 4,244,690 km (0.073 R)
• M14: 5,445,662 km (0.108 R)
• M15: 9,709,949 km (0.111 R)
• M16: 13,499,861 km (0.099 R)
• M17: 13,913,948 km (0.112 R)
• M18: 16,310,805 km (0.073 R)
• M19: 16,848,311 km (0.12 R)
• M20: 18,315,417 km (0.109 R)
• M21: 18,604,141 km (0.098 R)
• M22: 20,946,395 km (0.117 R)
• M23: 22,889,521 km (0.103 R)
• M24: 26,206,854 km (0.111 R)
• M25: 26,943,773 km (0.09 R)
• M26: 28,749,420 km (0.077 R)
• M27: 34,209,891 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 11,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit