🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 12.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 12.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,258,889 km

• M1: 154,235 km (0.101 R)
• M2: 576,401 km (0.042 R)
• M3: 1,124,826 km (0.053 R)
• M4: 1,655,450 km (0.092 R)
• M5: 2,064,002 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.7

Radius: 14.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.28 AU - 1.94 AU

Year: 1410 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,258,889 km

• M1: 185,501 km (0.045 R)
• M2: 712,086 km (0.104 R)
• M3: 1,273,227 km (0.034 R)
• M4: 2,380,701 km (0.106 R)
• M5: 3,377,471 km (0.118 R)
• M6: 4,560,341 km (0.102 R)
• M7: 5,226,800 km (0.096 R)
• M8: 6,409,072 km (0.108 R)
• M9: 8,043,878 km (0.116 R)
• M10: 8,746,539 km (0.098 R)
• M11: 11,102,855 km (0.078 R)
• M12: 12,466,290 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 11.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.71 AU - 1.97 AU

Year: 1723 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,258,889 km

• M1: 138,378 km (0.104 R)
• M2: 840,590 km (0.108 R)
• M3: 1,446,611 km (0.099 R)
• M4: 1,814,772 km (0.093 R)
• M5: 3,010,508 km (0.116 R)
• M6: 3,865,908 km (0.118 R)
• M7: 4,423,310 km (0.092 R)
• M8: 8,201,404 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.4

Radius: 4.6

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.74 AU - 12.64 AU

Year: 22453 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,258,889 km

• M1: 58,194 km (0.098 R)
• M2: 322,234 km (0.074 R)
• M3: 1,119,890 km (0.117 R)
• M4: 1,470,098 km (0.095 R)
• M5: 1,645,876 km (0.098 R)
• M6: 2,629,183 km (0.076 R)
• M7: 2,840,864 km (0.077 R)
• M8: 3,166,538 km (0.059 R)
• M9: 3,952,226 km (0.108 R)
• M10: 5,550,679 km (0.088 R)
• M11: 9,343,733 km (0.098 R)
• M12: 12,437,118 km (0.098 R)
• M13: 12,832,805 km (0.106 R)
• M14: 13,511,081 km (0.07 R)
• M15: 15,086,796 km (0.07 R)
• M16: 15,995,902 km (0.117 R)
• M17: 20,178,658 km (0.078 R)
• M18: 24,827,861 km (0.038 R)
• M19: 27,399,448 km (0.086 R)
• M20: 30,617,598 km (0.097 R)
• M21: 32,939,207 km (0.09 R)
• M22: 34,983,163 km (0.083 R)
• M23: 36,302,616 km (0.096 R)
• M24: 37,245,831 km (0.089 R)
• M25: 39,462,722 km (0.105 R)
• M26: 43,853,569 km (0.103 R)
• M27: 46,166,202 km (0.07 R)
• M28: 47,432,249 km (0.049 R)
• M29: 51,537,813 km (0.106 R)
• M30: 51,876,054 km (0.092 R)
• M31: 55,164,364 km (0.082 R)
• M32: 59,698,975 km (0.104 R)
• M33: 62,152,231 km (0.106 R)
• M34: 63,306,827 km (0.059 R)
• M35: 66,655,874 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 11,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit