🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 10.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.78 AU - 1.04 AU

Year: 599 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,400,620 km

• M1: 130,749 km (0.105 R)
• M2: 725,998 km (0.082 R)
• M3: 1,145,620 km (0.116 R)
• M4: 2,552,888 km (0.116 R)
• M5: 2,901,600 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 11.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.46 AU - 4.58 AU

Year: 6633 Days

Day: 7.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,400,620 km

• M1: 146,456 km (0.09 R)
• M2: 549,174 km (0.118 R)
• M3: 1,169,257 km (0.081 R)
• M4: 2,137,604 km (0.063 R)
• M5: 3,315,538 km (0.111 R)
• M6: 3,946,392 km (0.117 R)
• M7: 4,681,067 km (0.112 R)
• M8: 6,453,503 km (0.062 R)
• M9: 7,896,374 km (0.063 R)
• M10: 8,409,794 km (0.033 R)
• M11: 9,102,282 km (0.098 R)
• M12: 10,557,870 km (0.095 R)
• M13: 16,374,534 km (0.118 R)
• M14: 18,710,056 km (0.062 R)
• M15: 20,024,722 km (0.103 R)
• M16: 21,120,078 km (0.056 R)
• M17: 24,645,800 km (0.088 R)
• M18: 25,983,205 km (0.106 R)
• M19: 27,038,319 km (0.054 R)
• M20: 28,206,230 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 14.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.47 AU - 5.55 AU

Year: 8928 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,400,620 km

• M1: 176,974 km (0.06 R)
• M2: 662,270 km (0.107 R)
• M3: 1,272,031 km (0.089 R)
• M4: 3,789,763 km (0.093 R)
• M5: 4,459,064 km (0.074 R)
• M6: 8,381,669 km (0.105 R)
• M7: 9,775,174 km (0.071 R)
• M8: 11,854,734 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.1

Radius: 3.5

Gravity: 49.56 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.98 AU - 6.74 AU

Year: 9792 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,400,620 km

• M1: 43,533 km (0.081 R)
• M2: 178,919 km (0.044 R)
• M3: 290,818 km (0.04 R)
• M4: 451,636 km (0.088 R)
• M5: 686,355 km (0.032 R)
• M6: 859,290 km (0.097 R)
• M7: 976,575 km (0.092 R)
• M8: 1,268,141 km (0.046 R)
• M9: 1,461,272 km (0.102 R)
• M10: 1,586,186 km (0.12 R)
• M11: 1,748,799 km (0.071 R)
• M12: 2,004,911 km (0.104 R)
• M13: 2,775,639 km (0.052 R)
• M14: 4,040,489 km (0.097 R)
• M15: 4,344,173 km (0.102 R)
• M16: 4,997,167 km (0.119 R)
• M17: 5,122,680 km (0.05 R)
• M18: 5,544,695 km (0.115 R)
• M19: 7,106,647 km (0.062 R)
• M20: 8,711,383 km (0.064 R)
• M21: 10,087,684 km (0.105 R)
• M22: 10,958,343 km (0.048 R)
• M23: 11,277,286 km (0.064 R)
• M24: 14,686,173 km (0.07 R)
• M25: 15,401,849 km (0.116 R)
• M26: 19,563,811 km (0.099 R)
• M27: 19,875,723 km (0.088 R)
• M28: 22,747,703 km (0.083 R)
• M29: 25,605,022 km (0.086 R)
• M30: 28,893,183 km (0.106 R)
• M31: 29,196,119 km (0.104 R)
• M32: 32,669,931 km (0.084 R)
• M33: 34,110,708 km (0.071 R)
• M34: 36,999,593 km (0.088 R)
• M35: 37,237,453 km (0.072 R)
• M36: 41,696,367 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 16,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit