🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.5 AU - 1.6 AU

Year: 694 Days

Day: 19.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 117.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.7 AU - 4.08 AU

Year: 2246 Days

Day: 17.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,760,543 km

• M1: 198,816 km (0.052 R)
• M2: 244,144 km (0.086 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.1

Radius: 9.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.47 AU - 10.09 AU

Year: 8575 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,760,543 km

• M1: 124,316 km (0.097 R)
• M2: 421,268 km (0.114 R)
• M3: 802,443 km (0.12 R)
• M4: 1,170,903 km (0.118 R)
• M5: 1,947,465 km (0.115 R)
• M6: 2,570,540 km (0.057 R)
• M7: 3,013,200 km (0.118 R)
• M8: 3,343,662 km (0.094 R)
• M9: 4,827,822 km (0.103 R)
• M10: 6,034,928 km (0.102 R)
• M11: 6,782,767 km (0.112 R)
• M12: 7,314,737 km (0.084 R)
• M13: 8,122,865 km (0.064 R)
• M14: 9,079,095 km (0.107 R)
• M15: 9,398,636 km (0.119 R)
• M16: 10,011,837 km (0.104 R)
• M17: 11,742,535 km (0.07 R)
• M18: 12,067,462 km (0.103 R)
• M19: 16,857,137 km (0.04 R)
• M20: 17,691,743 km (0.105 R)
• M21: 19,069,091 km (0.089 R)
• M22: 21,467,594 km (0.106 R)
• M23: 24,497,549 km (0.049 R)
• M24: 32,017,535 km (0.05 R)
• M25: 34,057,601 km (0.114 R)
• M26: 35,165,523 km (0.043 R)
• M27: 42,322,584 km (0.029 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.2

Radius: 4.2

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 11.1 AU - 17.66 AU

Year: 19625 Days

Day: 16.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,760,543 km

• M1: 54,005 km (0.061 R)
• M2: 311,612 km (0.099 R)
• M3: 509,830 km (0.058 R)
• M4: 1,202,468 km (0.104 R)
• M5: 2,109,031 km (0.036 R)
• M6: 2,583,555 km (0.073 R)
• M7: 3,077,976 km (0.114 R)
• M8: 3,449,577 km (0.047 R)
• M9: 4,712,483 km (0.05 R)
• M10: 5,037,559 km (0.08 R)
• M11: 5,342,738 km (0.068 R)
• M12: 7,097,970 km (0.112 R)
• M13: 8,859,635 km (0.079 R)
• M14: 9,304,090 km (0.095 R)
• M15: 10,237,281 km (0.083 R)
• M16: 10,837,319 km (0.057 R)
• M17: 13,281,000 km (0.12 R)
• M18: 14,259,669 km (0.06 R)
• M19: 15,215,599 km (0.085 R)
• M20: 15,924,095 km (0.085 R)
• M21: 18,259,916 km (0.118 R)
• M22: 18,497,328 km (0.104 R)
• M23: 24,353,337 km (0.028 R)
• M24: 24,834,294 km (0.087 R)
• M25: 37,845,120 km (0.062 R)
• M26: 38,231,232 km (0.089 R)
• M27: 46,514,765 km (0.093 R)
• M28: 52,494,790 km (0.112 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 16,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit