🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25

Radius: 10.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.76 AU - 0.94 AU

Year: 498 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,418,570 km

• M1: 133,142 km (0.087 R)
• M2: 595,998 km (0.046 R)
• M3: 988,543 km (0.087 R)
• M4: 1,870,273 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.3

Radius: 12.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.49 AU - 1.85 AU

Year: 1372 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,418,570 km

• M1: 153,039 km (0.076 R)
• M2: 540,048 km (0.101 R)
• M3: 1,051,075 km (0.117 R)
• M4: 1,651,710 km (0.107 R)
• M5: 2,430,068 km (0.037 R)
• M6: 3,029,207 km (0.062 R)
• M7: 3,453,916 km (0.059 R)
• M8: 4,375,738 km (0.065 R)
• M9: 5,360,241 km (0.12 R)
• M10: 6,026,700 km (0.087 R)
• M11: 6,444,078 km (0.029 R)
• M12: 7,384,151 km (0.098 R)
• M13: 8,438,965 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 10.2

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.34 AU - 4.7 AU

Year: 6110 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,418,570 km

• M1: 126,859 km (0.117 R)
• M2: 474,076 km (0.118 R)
• M3: 873,053 km (0.12 R)
• M4: 1,310,029 km (0.111 R)
• M5: 1,734,438 km (0.115 R)
• M6: 3,234,605 km (0.027 R)
• M7: 3,589,451 km (0.07 R)
• M8: 4,299,592 km (0.088 R)
• M9: 4,898,732 km (0.116 R)
• M10: 5,218,722 km (0.079 R)
• M11: 5,868,724 km (0.052 R)
• M12: 7,070,893 km (0.097 R)
• M13: 7,633,680 km (0.088 R)
• M14: 8,389,149 km (0.06 R)
• M15: 9,369,315 km (0.103 R)
• M16: 10,760,575 km (0.119 R)
• M17: 11,203,534 km (0.099 R)
• M18: 13,948,057 km (0.104 R)
• M19: 16,651,889 km (0.046 R)
• M20: 17,513,273 km (0.102 R)
• M21: 17,852,411 km (0.113 R)
• M22: 19,181,289 km (0.075 R)
• M23: 23,480,882 km (0.112 R)
• M24: 23,976,500 km (0.09 R)
• M25: 24,818,287 km (0.059 R)
• M26: 26,471,493 km (0.083 R)
• M27: 32,682,946 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.5

Radius: 8

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.95 AU - 10.51 AU

Year: 16400 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,418,570 km

• M1: 100,380 km (0.075 R)
• M2: 392,994 km (0.072 R)
• M3: 943,963 km (0.068 R)
• M4: 1,279,211 km (0.111 R)
• M5: 1,626,727 km (0.108 R)
• M6: 2,425,430 km (0.082 R)
• M7: 3,298,932 km (0.116 R)
• M8: 4,946,005 km (0.095 R)
• M9: 9,427,359 km (0.12 R)
• M10: 13,053,611 km (0.083 R)
• M11: 15,904,049 km (0.118 R)
• M12: 21,918,781 km (0.113 R)
• M13: 24,426,191 km (0.062 R)
• M14: 25,055,399 km (0.075 R)
• M15: 26,896,500 km (0.027 R)
• M16: 29,293,208 km (0.089 R)
• M17: 31,704,726 km (0.085 R)
• M18: 34,245,496 km (0.028 R)
• M19: 35,165,971 km (0.109 R)
• M20: 35,833,477 km (0.113 R)
• M21: 37,469,928 km (0.116 R)
• M22: 52,915,460 km (0.086 R)
• M23: 56,115,508 km (0.092 R)
• M24: 57,578,276 km (0.069 R)
• M25: 65,878,863 km (0.11 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: 165 - 17,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit