🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.54 AU - 0.86 AU

Year: 224 Days

Day: 18.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,137,427 km

• M1: 25,731 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.94 AU - 2.1 AU

Year: 1099 Days

Day: 30.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.18 AU - 2.2 AU

Year: 1241 Days

Day: 32.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.42 AU - 2.5 AU

Year: 1477 Days

Day: 28.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.63 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 12.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.5

Radius: 4

Gravity: 40.09 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 11.28 AU - 14.3 AU

Year: 17514 Days

Day: 16.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 68,137,427 km

• M1: 55,501 km (0.103 R)
• M2: 232,625 km (0.091 R)
• M3: 546,930 km (0.093 R)
• M4: 1,302,549 km (0.108 R)
• M5: 1,625,979 km (0.065 R)
• M6: 1,888,075 km (0.114 R)
• M7: 2,058,616 km (0.069 R)
• M8: 4,708,144 km (0.097 R)
• M9: 4,881,079 km (0.112 R)
• M10: 5,276,466 km (0.073 R)
• M11: 5,771,037 km (0.085 R)
• M12: 7,255,048 km (0.105 R)
• M13: 7,439,353 km (0.104 R)
• M14: 8,307,918 km (0.117 R)
• M15: 9,081,638 km (0.1 R)
• M16: 9,902,182 km (0.099 R)
• M17: 12,330,156 km (0.047 R)
• M18: 13,403,371 km (0.102 R)
• M19: 13,541,749 km (0.066 R)
• M20: 14,319,807 km (0.047 R)
• M21: 15,656,913 km (0.047 R)
• M22: 16,513,660 km (0.056 R)
• M23: 17,565,932 km (0.067 R)
• M24: 19,982,685 km (0.119 R)
• M25: 20,345,161 km (0.102 R)
• M26: 23,806,407 km (0.082 R)
• M27: 26,974,740 km (0.071 R)
• M28: 27,195,547 km (0.093 R)
• M29: 27,640,451 km (0.053 R)
• M30: 29,236,211 km (0.064 R)
• M31: 29,469,135 km (0.12 R)
• M32: 30,175,237 km (0.114 R)
• M33: 32,610,092 km (0.107 R)
• M34: 33,238,702 km (0.115 R)
• M35: 42,755,819 km (0.072 R)
• M36: 44,270,049 km (0.116 R)
• M37: 45,195,611 km (0.061 R)
• M38: 52,038,218 km (0.115 R)
• M39: 52,551,787 km (0.061 R)
• M40: 58,795,853 km (0.036 R)
• M41: 61,045,506 km (0.088 R)
• M42: 62,191,575 km (0.074 R)
• M43: 66,717,509 km (0.055 R)
• M44: 67,121,273 km (0.054 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 13,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit