🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.67 AU

Year: 144 Days

Day: 29.2 Hours

Environment

Temp: 212 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.5 AU - 4.86 AU

Year: 3018 Days

Day: 41.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,941,800 km

• M1: 126,709 km (0.09 R)

Asteroid Belt

Center: 7.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 8

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.49 AU - 13.57 AU

Year: 12935 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 42,941,800 km

• M1: 108,309 km (0.118 R)
• M2: 576,550 km (0.107 R)
• M3: 834,607 km (0.111 R)
• M4: 1,111,811 km (0.057 R)
• M5: 1,825,094 km (0.045 R)
• M6: 2,464,176 km (0.118 R)
• M7: 2,905,191 km (0.111 R)
• M8: 3,916,323 km (0.06 R)
• M9: 4,209,834 km (0.066 R)
• M10: 5,008,387 km (0.069 R)
• M11: 6,134,560 km (0.118 R)
• M12: 7,509,514 km (0.09 R)
• M13: 8,533,511 km (0.101 R)
• M14: 9,231,834 km (0.1 R)
• M15: 9,490,339 km (0.096 R)
• M16: 12,661,814 km (0.119 R)
• M17: 13,971,693 km (0.049 R)
• M18: 14,799,717 km (0.109 R)
• M19: 16,028,065 km (0.078 R)
• M20: 17,796,462 km (0.078 R)
• M21: 18,522,460 km (0.084 R)
• M22: 19,947,679 km (0.069 R)
• M23: 22,451,948 km (0.117 R)
• M24: 22,920,189 km (0.085 R)
• M25: 23,490,755 km (0.074 R)
• M26: 25,058,391 km (0.05 R)
• M27: 28,183,491 km (0.088 R)
• M28: 31,793,287 km (0.033 R)
• M29: 34,322,838 km (0.102 R)
• M30: 36,209,865 km (0.074 R)
• M31: 38,966,206 km (0.093 R)
• M32: 40,051,988 km (0.085 R)
• M33: 42,711,538 km (0.113 R)
• M34: 45,337,579 km (0.119 R)
• M35: 46,387,308 km (0.117 R)
• M36: 53,525,370 km (0.109 R)
• M37: 57,441,394 km (0.089 R)
• M38: 59,380,032 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.2

Radius: 9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 9.02 AU - 13.12 AU

Year: 13005 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,941,800 km

• M1: 111,899 km (0.09 R)
• M2: 1,222,663 km (0.092 R)
• M3: 2,110,228 km (0.096 R)
• M4: 2,556,029 km (0.11 R)
• M5: 2,915,214 km (0.057 R)
• M6: 3,493,559 km (0.104 R)
• M7: 5,726,756 km (0.11 R)
• M8: 7,237,695 km (0.097 R)
• M9: 8,169,689 km (0.044 R)
• M10: 9,179,325 km (0.108 R)
• M11: 9,502,606 km (0.108 R)
• M12: 10,123,138 km (0.055 R)
• M13: 10,872,474 km (0.104 R)
• M14: 11,498,092 km (0.081 R)
• M15: 12,202,848 km (0.072 R)
• M16: 15,247,763 km (0.117 R)
• M17: 16,773,512 km (0.1 R)
• M18: 17,679,626 km (0.086 R)
• M19: 22,040,853 km (0.09 R)
• M20: 27,736,044 km (0.102 R)
• M21: 29,100,675 km (0.12 R)
• M22: 31,127,278 km (0.117 R)
• M23: 35,685,674 km (0.098 R)
• M24: 39,443,872 km (0.109 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit