🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.55 AU - 0.75 AU

Year: 344 Days

Day: 17.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,526,573 km

• M1: 35,604 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 8.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.89 AU - 0.89 AU

Year: 551 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 170.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,526,573 km

• M1: 105,766 km (0.03 R)
• M2: 465,848 km (0.118 R)
• M3: 803,041 km (0.087 R)
• M4: 1,083,837 km (0.1 R)
• M5: 1,369,419 km (0.113 R)
• M6: 1,677,591 km (0.112 R)
• M7: 2,064,600 km (0.045 R)
• M8: 2,363,946 km (0.094 R)
• M9: 2,643,544 km (0.088 R)
• M10: 3,225,480 km (0.1 R)
• M11: 3,618,922 km (0.071 R)
• M12: 4,558,397 km (0.12 R)
• M13: 5,100,390 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.4

Radius: 8.7

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.87 AU - 0.93 AU

Year: 560 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,526,573 km

• M1: 108,159 km (0.089 R)
• M2: 390,151 km (0.113 R)
• M3: 984,504 km (0.095 R)
• M4: 1,337,854 km (0.088 R)
• M5: 1,642,136 km (0.108 R)
• M6: 2,182,334 km (0.094 R)
• M7: 2,803,015 km (0.058 R)
• M8: 3,270,658 km (0.105 R)
• M9: 3,668,140 km (0.117 R)
• M10: 4,243,344 km (0.092 R)
• M11: 4,942,414 km (0.067 R)
• M12: 6,160,590 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.4

Radius: 5.5

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.96 AU - 11.18 AU

Year: 19421 Days

Day: 23.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,526,573 km

• M1: 68,516 km (0.114 R)
• M2: 574,905 km (0.054 R)
• M3: 939,026 km (0.094 R)
• M4: 1,166,115 km (0.079 R)
• M5: 1,609,972 km (0.079 R)
• M6: 1,842,747 km (0.102 R)
• M7: 2,223,174 km (0.105 R)
• M8: 2,902,947 km (0.114 R)
• M9: 3,361,015 km (0.072 R)
• M10: 5,252,232 km (0.114 R)
• M11: 5,604,535 km (0.112 R)
• M12: 7,079,869 km (0.048 R)
• M13: 7,607,800 km (0.112 R)
• M14: 8,059,136 km (0.106 R)
• M15: 12,197,612 km (0.11 R)
• M16: 14,262,661 km (0.119 R)
• M17: 20,564,621 km (0.083 R)
• M18: 22,236,228 km (0.119 R)
• M19: 22,847,335 km (0.105 R)
• M20: 23,053,481 km (0.082 R)
• M21: 25,403,663 km (0.104 R)
• M22: 27,441,635 km (0.098 R)
• M23: 27,674,559 km (0.107 R)
• M24: 29,953,982 km (0.046 R)
• M25: 40,928,631 km (0.071 R)
• M26: 42,154,436 km (0.05 R)
• M27: 42,932,794 km (0.112 R)
• M28: 44,358,013 km (0.068 R)
• M29: 46,637,136 km (0.088 R)
• M30: 53,395,669 km (0.061 R)
• M31: 55,043,041 km (0.09 R)
• M32: 64,198,879 km (0.041 R)
• M33: 68,812,777 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 19,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit