🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.47 AU - 0.59 AU

Year: 136 Days

Day: 36.4 Hours

Environment

Temp: 252 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,053,776 km

• M1: 38,746 km (0.087 R)
• M2: 74,649 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.73 AU - 0.81 AU

Year: 237 Days

Day: 38.2 Hours

Environment

Temp: 195 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 12.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.35 AU - 7.41 AU

Year: 5664 Days

Day: 8.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,053,776 km

• M1: 151,842 km (0.108 R)
• M2: 671,994 km (0.111 R)
• M3: 1,257,520 km (0.078 R)
• M4: 1,828,984 km (0.107 R)
• M5: 2,272,392 km (0.116 R)
• M6: 3,449,428 km (0.072 R)
• M7: 4,885,567 km (0.039 R)
• M8: 9,337,301 km (0.091 R)
• M9: 15,563,863 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 14.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.81 AU - 10.27 AU

Year: 10356 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,053,776 km

• M1: 179,817 km (0.064 R)
• M2: 845,378 km (0.05 R)
• M3: 1,325,736 km (0.059 R)
• M4: 2,418,698 km (0.097 R)
• M5: 3,408,288 km (0.102 R)
• M6: 4,181,260 km (0.104 R)
• M7: 7,535,245 km (0.102 R)
• M8: 10,314,025 km (0.11 R)
• M9: 10,870,380 km (0.053 R)
• M10: 12,377,578 km (0.03 R)
• M11: 14,578,013 km (0.078 R)
• M12: 15,150,524 km (0.056 R)
• M13: 16,205,339 km (0.089 R)
• M14: 18,757,628 km (0.079 R)
• M15: 21,813,464 km (0.086 R)
• M16: 23,158,199 km (0.076 R)
• M17: 30,826,586 km (0.076 R)
• M18: 34,161,272 km (0.105 R)
• M19: 38,810,325 km (0.08 R)
• M20: 41,159,760 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426

Radius: 3.7

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.29 AU - 16.17 AU

Year: 21927 Days

Day: 22.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 69,053,776 km

• M1: 78,688 km (0.098 R)
• M2: 356,043 km (0.072 R)
• M3: 1,048,531 km (0.07 R)
• M4: 1,389,315 km (0.082 R)
• M5: 1,677,291 km (0.05 R)
• M6: 1,927,868 km (0.102 R)
• M7: 2,758,286 km (0.115 R)
• M8: 3,569,854 km (0.112 R)
• M9: 3,984,090 km (0.101 R)
• M10: 4,298,994 km (0.116 R)
• M11: 5,884,432 km (0.07 R)
• M12: 6,589,188 km (0.112 R)
• M13: 7,773,554 km (0.111 R)
• M14: 9,693,194 km (0.106 R)
• M15: 10,495,188 km (0.034 R)
• M16: 10,732,151 km (0.068 R)
• M17: 10,851,979 km (0.113 R)
• M18: 12,558,592 km (0.036 R)
• M19: 12,691,734 km (0.07 R)
• M20: 12,893,092 km (0.105 R)
• M21: 15,251,802 km (0.026 R)
• M22: 17,383,422 km (0.076 R)
• M23: 23,212,054 km (0.091 R)
• M24: 23,817,327 km (0.116 R)
• M25: 25,695,828 km (0.053 R)
• M26: 26,452,344 km (0.04 R)
• M27: 28,123,203 km (0.068 R)
• M28: 29,158,719 km (0.057 R)
• M29: 30,458,426 km (0.043 R)
• M30: 30,578,553 km (0.088 R)
• M31: 31,796,429 km (0.118 R)
• M32: 32,919,909 km (0.107 R)
• M33: 36,855,530 km (0.078 R)
• M34: 37,678,617 km (0.09 R)
• M35: 40,801,323 km (0.106 R)
• M36: 42,875,647 km (0.101 R)
• M37: 48,041,411 km (0.118 R)
• M38: 50,520,547 km (0.066 R)
• M39: 51,195,832 km (0.083 R)
• M40: 55,552,870 km (0.079 R)
• M41: 57,545,813 km (0.045 R)
• M42: 59,024,887 km (0.1 R)
• M43: 65,394,016 km (0.045 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 17,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit