🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 8.1

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.86 AU - 1.14 AU

Year: 646 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,243,102 km

• M1: 101,727 km (0.087 R)
• M2: 616,792 km (0.095 R)
• M3: 1,238,371 km (0.117 R)
• M4: 1,545,346 km (0.094 R)
• M5: 1,825,543 km (0.093 R)
• M6: 2,255,637 km (0.08 R)
• M7: 3,142,602 km (0.075 R)
• M8: 6,075,918 km (0.098 R)
• M9: 7,318,477 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 14

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.31 AU - 1.75 AU

Year: 1222 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,243,102 km

• M1: 174,282 km (0.111 R)
• M2: 689,945 km (0.099 R)
• M3: 1,287,888 km (0.105 R)
• M4: 2,063,403 km (0.099 R)
• M5: 2,567,997 km (0.106 R)
• M6: 3,155,169 km (0.117 R)
• M7: 3,772,559 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 8.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.65 AU - 3.79 AU

Year: 3731 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,243,102 km

• M1: 103,223 km (0.088 R)
• M2: 897,288 km (0.063 R)
• M3: 1,531,284 km (0.081 R)
• M4: 2,485,120 km (0.071 R)
• M5: 2,906,238 km (0.088 R)
• M6: 3,546,218 km (0.104 R)
• M7: 4,441,860 km (0.047 R)
• M8: 6,149,370 km (0.062 R)
• M9: 6,455,597 km (0.109 R)
• M10: 7,920,310 km (0.112 R)
• M11: 8,540,842 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.8

Radius: 5.6

Gravity: 30.7 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.18 AU - 11.16 AU

Year: 17930 Days

Day: 20 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,243,102 km

• M1: 69,862 km (0.101 R)
• M2: 486,791 km (0.07 R)
• M3: 1,136,944 km (0.116 R)
• M4: 1,921,734 km (0.071 R)
• M5: 2,712,957 km (0.12 R)
• M6: 3,264,525 km (0.095 R)
• M7: 3,493,409 km (0.071 R)
• M8: 4,047,520 km (0.069 R)
• M9: 4,766,188 km (0.092 R)
• M10: 6,860,110 km (0.071 R)
• M11: 7,576,833 km (0.117 R)
• M12: 9,614,356 km (0.104 R)
• M13: 10,387,777 km (0.036 R)
• M14: 14,198,484 km (0.102 R)
• M15: 16,412,981 km (0.084 R)
• M16: 20,533,953 km (0.075 R)
• M17: 21,812,716 km (0.073 R)
• M18: 32,022,771 km (0.108 R)
• M19: 40,911,278 km (0.118 R)
• M20: 43,563,798 km (0.119 R)
• M21: 45,997,605 km (0.112 R)
• M22: 47,332,018 km (0.085 R)
• M23: 50,252,917 km (0.039 R)
• M24: 71,883,123 km (0.064 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 18,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit