🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.5

Radius: 12.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 6.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,697,442 km

• M1: 161,117 km (0.1 R)
• M2: 598,840 km (0.073 R)
• M3: 1,267,692 km (0.115 R)
• M4: 1,682,378 km (0.053 R)
• M5: 2,476,742 km (0.057 R)
• M6: 2,887,837 km (0.12 R)
• M7: 3,601,868 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 8.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.85 AU - 0.93 AU

Year: 580 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,697,442 km

• M1: 109,805 km (0.093 R)
• M2: 389,254 km (0.088 R)
• M3: 704,756 km (0.119 R)
• M4: 1,157,140 km (0.053 R)
• M5: 1,711,400 km (0.045 R)
• M6: 2,202,081 km (0.11 R)
• M7: 2,752,750 km (0.087 R)
• M8: 3,203,339 km (0.117 R)
• M9: 3,638,968 km (0.033 R)
• M10: 5,399,286 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 15

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4 AU - 6.5 AU

Year: 8303 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,697,442 km

• M1: 204,351 km (0.108 R)
• M2: 943,364 km (0.088 R)
• M3: 1,432,848 km (0.098 R)
• M4: 2,015,981 km (0.097 R)
• M5: 2,690,518 km (0.101 R)
• M6: 3,655,574 km (0.028 R)
• M7: 4,380,974 km (0.029 R)
• M8: 6,240,475 km (0.083 R)
• M9: 7,414,370 km (0.052 R)
• M10: 7,930,482 km (0.065 R)
• M11: 8,507,481 km (0.112 R)
• M12: 9,228,992 km (0.079 R)
• M13: 16,611,946 km (0.064 R)
• M14: 17,499,211 km (0.045 R)
• M15: 20,218,152 km (0.117 R)
• M16: 24,694,121 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 3.6

Gravity: 32.49 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.31 AU - 6.85 AU

Year: 10348 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,697,442 km

• M1: 44,730 km (0.103 R)
• M2: 169,195 km (0.062 R)
• M3: 304,282 km (0.102 R)
• M4: 864,676 km (0.032 R)
• M5: 1,147,116 km (0.107 R)
• M6: 1,384,229 km (0.056 R)
• M7: 1,939,985 km (0.109 R)
• M8: 2,631,427 km (0.063 R)
• M9: 3,219,795 km (0.066 R)
• M10: 3,333,340 km (0.097 R)
• M11: 3,497,000 km (0.099 R)
• M12: 5,066,132 km (0.071 R)
• M13: 5,935,296 km (0.112 R)
• M14: 6,824,655 km (0.097 R)
• M15: 7,880,965 km (0.116 R)
• M16: 8,686,700 km (0.077 R)
• M17: 11,378,414 km (0.115 R)
• M18: 11,696,160 km (0.063 R)
• M19: 13,609,367 km (0.059 R)
• M20: 13,787,688 km (0.112 R)
• M21: 15,015,737 km (0.096 R)
• M22: 15,142,446 km (0.108 R)
• M23: 16,583,672 km (0.099 R)
• M24: 17,616,944 km (0.083 R)
• M25: 18,619,549 km (0.107 R)
• M26: 18,765,706 km (0.075 R)
• M27: 19,887,242 km (0.118 R)
• M28: 20,040,131 km (0.038 R)
• M29: 21,131,896 km (0.052 R)
• M30: 22,427,563 km (0.119 R)
• M31: 25,896,588 km (0.1 R)
• M32: 28,818,683 km (0.114 R)
• M33: 29,706,547 km (0.064 R)
• M34: 36,323,560 km (0.108 R)
• M35: 41,323,719 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 11,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit