🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 12.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.19 AU - 1.59 AU

Year: 1075 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,768,182 km

• M1: 154,235 km (0.079 R)
• M2: 649,704 km (0.043 R)
• M3: 1,058,255 km (0.071 R)
• M4: 1,685,519 km (0.033 R)
• M5: 2,975,651 km (0.115 R)
• M6: 3,938,912 km (0.107 R)
• M7: 4,874,647 km (0.111 R)
• M8: 6,559,418 km (0.097 R)
• M9: 7,184,438 km (0.1 R)
• M10: 8,379,874 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 10.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.32 AU - 1.62 AU

Year: 1169 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,768,182 km

• M1: 129,402 km (0.111 R)
• M2: 476,469 km (0.118 R)
• M3: 834,457 km (0.101 R)
• M4: 1,206,806 km (0.027 R)
• M5: 1,570,179 km (0.108 R)
• M6: 2,087,489 km (0.115 R)
• M7: 2,917,458 km (0.114 R)
• M8: 3,623,859 km (0.116 R)
• M9: 4,274,011 km (0.103 R)
• M10: 4,884,670 km (0.094 R)
• M11: 5,219,769 km (0.09 R)
• M12: 6,397,403 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 12.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.36 AU - 5.5 AU

Year: 6117 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,768,182 km

• M1: 157,377 km (0.115 R)
• M2: 793,318 km (0.076 R)
• M3: 1,408,464 km (0.111 R)
• M4: 2,725,972 km (0.09 R)
• M5: 3,431,476 km (0.119 R)
• M6: 4,075,644 km (0.075 R)
• M7: 4,971,287 km (0.111 R)
• M8: 5,388,964 km (0.09 R)
• M9: 6,193,950 km (0.085 R)
• M10: 6,678,647 km (0.107 R)
• M11: 7,188,776 km (0.081 R)
• M12: 9,226,449 km (0.097 R)
• M13: 13,589,471 km (0.11 R)
• M14: 15,202,435 km (0.111 R)
• M15: 17,890,858 km (0.11 R)
• M16: 19,383,845 km (0.082 R)
• M17: 21,112,747 km (0.082 R)
• M18: 24,106,500 km (0.105 R)
• M19: 24,531,657 km (0.071 R)
• M20: 25,397,081 km (0.084 R)
• M21: 28,681,801 km (0.067 R)
• M22: 35,202,922 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.2

Radius: 6.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.5 AU - 8.22 AU

Year: 11787 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,768,182 km

• M1: 85,869 km (0.071 R)
• M2: 674,537 km (0.11 R)
• M3: 1,083,089 km (0.115 R)
• M4: 1,379,442 km (0.108 R)
• M5: 1,963,771 km (0.099 R)
• M6: 3,187,482 km (0.073 R)
• M7: 3,588,703 km (0.088 R)
• M8: 5,353,809 km (0.099 R)
• M9: 7,249,513 km (0.09 R)
• M10: 11,419,254 km (0.058 R)
• M11: 15,170,720 km (0.1 R)
• M12: 16,890,048 km (0.057 R)
• M13: 20,862,620 km (0.086 R)
• M14: 25,940,720 km (0.044 R)
• M15: 26,830,229 km (0.112 R)
• M16: 27,101,001 km (0.042 R)
• M17: 34,265,243 km (0.116 R)
• M18: 34,584,036 km (0.099 R)
• M19: 36,097,817 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 14,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit