🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.52 AU - 0.52 AU

Year: 242 Days

Day: 43.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,664,645 km

• M1: 21,392 km (0.044 R)
• M2: 89,160 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 13.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.68 AU - 0.7 AU

Year: 370 Days

Day: 7.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,664,645 km

• M1: 163,062 km (0.084 R)
• M2: 721,211 km (0.096 R)
• M3: 1,262,606 km (0.114 R)
• M4: 1,938,489 km (0.119 R)
• M5: 2,416,754 km (0.116 R)
• M6: 2,914,765 km (0.107 R)
• M7: 3,447,633 km (0.029 R)
• M8: 4,548,224 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 8

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.47 AU - 1.99 AU

Year: 1469 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,664,645 km

• M1: 99,782 km (0.052 R)
• M2: 359,783 km (0.073 R)
• M3: 810,222 km (0.099 R)
• M4: 1,530,985 km (0.105 R)
• M5: 2,389,377 km (0.106 R)
• M6: 2,902,647 km (0.103 R)
• M7: 4,056,496 km (0.115 R)
• M8: 4,430,640 km (0.074 R)
• M9: 4,910,101 km (0.057 R)
• M10: 5,226,950 km (0.115 R)
• M11: 5,739,322 km (0.07 R)
• M12: 6,633,319 km (0.118 R)
• M13: 7,423,944 km (0.079 R)
• M14: 7,870,643 km (0.089 R)
• M15: 8,187,940 km (0.079 R)
• M16: 9,739,569 km (0.103 R)
• M17: 10,829,839 km (0.048 R)
• M18: 11,331,590 km (0.118 R)
• M19: 12,693,230 km (0.104 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.1

Radius: 6.6

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.57 AU - 8.17 AU

Year: 12919 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,664,645 km

• M1: 82,129 km (0.093 R)
• M2: 375,042 km (0.075 R)
• M3: 893,997 km (0.072 R)
• M4: 1,159,084 km (0.108 R)
• M5: 2,365,442 km (0.042 R)
• M6: 2,948,125 km (0.089 R)
• M7: 5,068,226 km (0.089 R)
• M8: 7,028,407 km (0.12 R)
• M9: 10,233,392 km (0.055 R)
• M10: 11,236,595 km (0.116 R)
• M11: 12,736,613 km (0.084 R)
• M12: 12,988,536 km (0.11 R)
• M13: 13,502,105 km (0.082 R)
• M14: 16,201,898 km (0.082 R)
• M15: 17,329,717 km (0.086 R)
• M16: 28,512,606 km (0.066 R)
• M17: 31,623,494 km (0.072 R)
• M18: 32,435,212 km (0.109 R)
• M19: 35,946,424 km (0.081 R)
• M20: 41,883,215 km (0.086 R)
• M21: 42,580,640 km (0.107 R)
• M22: 45,888,997 km (0.074 R)
• M23: 53,174,264 km (0.097 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: 425 - 17,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit