🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.91 AU - 1.01 AU

Year: 331 Days

Day: 35 Hours

Environment

Temp: 123 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.44 AU - 3.52 AU

Year: 1808 Days

Day: 15.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 14.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.98 AU - 9.94 AU

Year: 9426 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,626,998 km

• M1: 176,675 km (0.118 R)
• M2: 995,723 km (0.114 R)
• M3: 1,508,545 km (0.08 R)
• M4: 2,577,272 km (0.108 R)
• M5: 5,668,263 km (0.048 R)
• M6: 8,445,997 km (0.049 R)
• M7: 9,461,018 km (0.074 R)
• M8: 11,607,897 km (0.043 R)
• M9: 12,332,848 km (0.118 R)
• M10: 12,817,845 km (0.059 R)
• M11: 14,543,755 km (0.085 R)
• M12: 16,578,735 km (0.113 R)
• M13: 17,061,637 km (0.098 R)
• M14: 18,225,060 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.9

Radius: 11.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 9.72 AU - 14.6 AU

Year: 14903 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,626,998 km

• M1: 147,204 km (0.094 R)
• M2: 525,238 km (0.109 R)
• M3: 1,802,505 km (0.073 R)
• M4: 2,400,597 km (0.12 R)
• M5: 4,488,385 km (0.076 R)
• M6: 5,284,694 km (0.107 R)
• M7: 5,914,651 km (0.119 R)
• M8: 6,477,289 km (0.106 R)
• M9: 6,871,928 km (0.092 R)
• M10: 9,044,538 km (0.066 R)
• M11: 9,538,809 km (0.029 R)
• M12: 13,140,827 km (0.091 R)
• M13: 13,711,243 km (0.103 R)
• M14: 14,766,058 km (0.049 R)
• M15: 15,382,700 km (0.118 R)
• M16: 19,207,170 km (0.09 R)
• M17: 20,358,774 km (0.11 R)
• M18: 21,642,922 km (0.101 R)
• M19: 23,162,986 km (0.072 R)
• M20: 25,331,108 km (0.12 R)
• M21: 27,221,726 km (0.089 R)
• M22: 27,631,475 km (0.048 R)
• M23: 28,673,723 km (0.092 R)
• M24: 30,836,759 km (0.05 R)
• M25: 37,721,701 km (0.113 R)
• M26: 44,142,592 km (0.075 R)
• M27: 45,710,377 km (0.072 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 11,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit