🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 14.9

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.6 AU - 0.6 AU

Year: 310 Days

Day: 7.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,186,951 km

• M1: 185,352 km (0.081 R)
• M2: 674,836 km (0.062 R)
• M3: 1,303,895 km (0.054 R)
• M4: 1,773,034 km (0.113 R)
• M5: 2,273,588 km (0.101 R)
• M6: 2,804,661 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 12

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.09 AU - 2.99 AU

Year: 2699 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,186,951 km

• M1: 152,291 km (0.092 R)
• M2: 600,336 km (0.07 R)
• M3: 986,149 km (0.064 R)
• M4: 1,418,487 km (0.061 R)
• M5: 1,923,081 km (0.047 R)
• M6: 3,919,464 km (0.042 R)
• M7: 4,334,449 km (0.052 R)
• M8: 5,034,118 km (0.049 R)
• M9: 6,502,870 km (0.067 R)
• M10: 7,420,802 km (0.113 R)
• M11: 7,823,071 km (0.101 R)
• M12: 11,247,516 km (0.103 R)
• M13: 12,012,709 km (0.109 R)
• M14: 13,100,286 km (0.074 R)
• M15: 13,561,795 km (0.105 R)
• M16: 14,340,452 km (0.116 R)
• M17: 15,470,963 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.9

Radius: 4.5

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.01 AU - 10.17 AU

Year: 16789 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,186,951 km

• M1: 56,099 km (0.084 R)
• M2: 260,151 km (0.118 R)
• M3: 530,773 km (0.074 R)
• M4: 2,304,406 km (0.032 R)
• M5: 3,113,281 km (0.117 R)
• M6: 4,536,855 km (0.028 R)
• M7: 5,678,286 km (0.1 R)
• M8: 9,188,301 km (0.091 R)
• M9: 12,828,167 km (0.048 R)
• M10: 17,325,827 km (0.084 R)
• M11: 18,718,882 km (0.12 R)
• M12: 23,560,169 km (0.04 R)
• M13: 24,218,399 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.5

Radius: 3.5

Gravity: 41.84 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.02 AU - 10.92 AU

Year: 17915 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,186,951 km

• M1: 44,730 km (0.094 R)
• M2: 168,746 km (0.048 R)
• M3: 443,109 km (0.118 R)
• M4: 998,416 km (0.118 R)
• M5: 1,656,946 km (0.083 R)
• M6: 1,775,428 km (0.05 R)
• M7: 2,145,383 km (0.114 R)
• M8: 2,889,034 km (0.051 R)
• M9: 3,453,168 km (0.119 R)
• M10: 5,433,395 km (0.098 R)
• M11: 6,327,840 km (0.039 R)
• M12: 6,451,259 km (0.05 R)
• M13: 7,918,066 km (0.09 R)
• M14: 9,219,567 km (0.115 R)
• M15: 9,647,118 km (0.027 R)
• M16: 12,688,592 km (0.098 R)
• M17: 14,389,071 km (0.076 R)
• M18: 17,335,700 km (0.049 R)
• M19: 17,986,152 km (0.109 R)
• M20: 21,115,291 km (0.086 R)
• M21: 23,489,558 km (0.083 R)
• M22: 26,673,300 km (0.093 R)
• M23: 40,275,636 km (0.045 R)
• M24: 42,136,634 km (0.074 R)
• M25: 46,493,073 km (0.042 R)
• M26: 51,305,637 km (0.072 R)
• M27: 51,971,347 km (0.095 R)
• M28: 58,224,090 km (0.111 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: 432 - 16,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit