🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.52 AU - 0.52 AU

Year: 242 Days

Day: 15.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 12.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 524 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,864,696 km

• M1: 155,731 km (0.089 R)
• M2: 723,904 km (0.071 R)
• M3: 1,325,736 km (0.056 R)
• M4: 2,029,744 km (0.114 R)
• M5: 2,579,217 km (0.04 R)
• M6: 2,990,013 km (0.07 R)
• M7: 3,661,557 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 11.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.3 AU - 3.66 AU

Year: 3322 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,864,696 km

• M1: 149,299 km (0.117 R)
• M2: 574,605 km (0.113 R)
• M3: 990,787 km (0.094 R)
• M4: 1,993,242 km (0.063 R)
• M5: 2,949,172 km (0.078 R)
• M6: 4,413,885 km (0.09 R)
• M7: 6,142,489 km (0.099 R)
• M8: 7,206,877 km (0.114 R)
• M9: 8,319,586 km (0.108 R)
• M10: 9,582,342 km (0.1 R)
• M11: 10,057,315 km (0.118 R)
• M12: 10,799,171 km (0.102 R)
• M13: 13,685,812 km (0.108 R)
• M14: 14,700,833 km (0.115 R)
• M15: 15,440,595 km (0.049 R)
• M16: 16,149,689 km (0.063 R)
• M17: 16,994,617 km (0.116 R)
• M18: 17,868,867 km (0.091 R)
• M19: 18,468,156 km (0.092 R)
• M20: 22,007,193 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.8

Radius: 4.5

Gravity: 38.11 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.52 AU - 7.9 AU

Year: 11223 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,864,696 km

• M1: 55,950 km (0.062 R)
• M2: 329,714 km (0.091 R)
• M3: 847,322 km (0.041 R)
• M4: 1,150,707 km (0.074 R)
• M5: 2,078,962 km (0.079 R)
• M6: 4,894,244 km (0.097 R)
• M7: 6,081,453 km (0.087 R)
• M8: 6,309,290 km (0.068 R)
• M9: 7,151,825 km (0.039 R)
• M10: 8,295,651 km (0.078 R)
• M11: 9,205,206 km (0.11 R)
• M12: 9,709,650 km (0.042 R)
• M13: 10,718,388 km (0.101 R)
• M14: 11,163,442 km (0.108 R)
• M15: 12,209,580 km (0.042 R)
• M16: 13,004,543 km (0.077 R)
• M17: 15,808,755 km (0.099 R)
• M18: 17,351,109 km (0.117 R)
• M19: 22,305,491 km (0.037 R)
• M20: 23,676,705 km (0.116 R)
• M21: 26,485,106 km (0.077 R)
• M22: 27,606,043 km (0.07 R)
• M23: 28,758,246 km (0.089 R)
• M24: 30,711,994 km (0.12 R)
• M25: 40,337,869 km (0.065 R)
• M26: 43,617,204 km (0.1 R)
• M27: 44,891,479 km (0.102 R)
• M28: 49,013,947 km (0.079 R)
• M29: 50,545,381 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 14,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit