🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.52 AU - 0.66 AU

Year: 302 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,019,507 km

• M1: 179,069 km (0.097 R)
• M2: 674,238 km (0.066 R)
• M3: 1,122,283 km (0.044 R)
• M4: 1,593,068 km (0.109 R)
• M5: 2,271,344 km (0.106 R)
• M6: 3,219,945 km (0.043 R)
• M7: 4,431,987 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 12.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.48 AU - 3.34 AU

Year: 3310 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,019,507 km

• M1: 155,133 km (0.12 R)
• M2: 585,077 km (0.083 R)
• M3: 1,720,675 km (0.053 R)
• M4: 2,136,108 km (0.099 R)
• M5: 3,545,918 km (0.091 R)
• M6: 5,138,836 km (0.107 R)
• M7: 6,255,884 km (0.11 R)
• M8: 7,165,588 km (0.102 R)
• M9: 7,559,480 km (0.096 R)
• M10: 9,788,338 km (0.052 R)
• M11: 10,312,380 km (0.103 R)
• M12: 11,053,338 km (0.116 R)
• M13: 11,663,248 km (0.12 R)
• M14: 12,209,879 km (0.07 R)
• M15: 15,603,357 km (0.103 R)
• M16: 16,528,022 km (0.097 R)
• M17: 17,110,855 km (0.108 R)
• M18: 19,698,150 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.6

Radius: 6.9

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.47 AU - 8.81 AU

Year: 16936 Days

Day: 16.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,019,507 km

• M1: 86,168 km (0.103 R)
• M2: 319,840 km (0.051 R)
• M3: 1,133,503 km (0.08 R)
• M4: 2,056,073 km (0.066 R)
• M5: 4,534,012 km (0.054 R)
• M6: 5,731,244 km (0.118 R)
• M7: 6,446,621 km (0.081 R)
• M8: 8,362,970 km (0.11 R)
• M9: 8,841,384 km (0.101 R)
• M10: 12,036,794 km (0.081 R)
• M11: 12,994,221 km (0.098 R)
• M12: 16,008,767 km (0.094 R)
• M13: 19,275,985 km (0.11 R)
• M14: 24,005,073 km (0.09 R)
• M15: 24,861,670 km (0.061 R)
• M16: 27,322,705 km (0.099 R)
• M17: 36,505,920 km (0.091 R)
• M18: 36,786,864 km (0.117 R)
• M19: 41,631,891 km (0.07 R)
• M20: 48,560,965 km (0.071 R)
• M21: 51,853,165 km (0.063 R)
• M22: 70,564,268 km (0.09 R)
• M23: 75,231,722 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.1

Radius: 5.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.25 AU - 11.87 AU

Year: 21278 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,019,507 km

• M1: 97,987 km (0.039 R)
• M2: 462,257 km (0.097 R)
• M3: 1,097,450 km (0.05 R)
• M4: 3,315,238 km (0.051 R)
• M5: 3,537,242 km (0.08 R)
• M6: 8,281,888 km (0.111 R)
• M7: 13,355,051 km (0.081 R)
• M8: 16,155,822 km (0.075 R)
• M9: 20,044,319 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 11,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit