🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.5 AU - 0.64 AU

Year: 162 Days

Day: 33.3 Hours

Environment

Temp: 223 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.8 AU - 2.38 AU

Year: 1138 Days

Day: 29.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.8 AU - 2.44 AU

Year: 1163 Days

Day: 20.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 135.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.4

Radius: 3.1

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.91 AU - 14.49 AU

Year: 19103 Days

Day: 22.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,610,114 km

• M1: 38,746 km (0.114 R)
• M2: 215,870 km (0.113 R)
• M3: 316,998 km (0.118 R)
• M4: 469,139 km (0.094 R)
• M5: 1,186,012 km (0.057 R)
• M6: 1,782,907 km (0.108 R)
• M7: 1,929,663 km (0.069 R)
• M8: 3,191,970 km (0.059 R)
• M9: 5,110,413 km (0.095 R)
• M10: 9,756,474 km (0.11 R)
• M11: 15,436,256 km (0.112 R)
• M12: 16,053,946 km (0.057 R)
• M13: 17,781,353 km (0.089 R)
• M14: 19,628,737 km (0.118 R)
• M15: 21,178,870 km (0.05 R)
• M16: 21,515,315 km (0.026 R)
• M17: 22,458,979 km (0.061 R)
• M18: 23,970,964 km (0.086 R)
• M19: 27,294,879 km (0.081 R)
• M20: 27,693,259 km (0.117 R)
• M21: 28,808,810 km (0.119 R)
• M22: 29,848,515 km (0.057 R)
• M23: 33,457,115 km (0.096 R)
• M24: 41,393,731 km (0.056 R)
• M25: 44,477,392 km (0.112 R)
• M26: 46,994,825 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 3.1

Gravity: 42.04 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 10.89 AU - 16.83 AU

Year: 19439 Days

Day: 15.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,610,114 km

• M1: 38,596 km (0.101 R)
• M2: 267,032 km (0.083 R)
• M3: 585,526 km (0.064 R)
• M4: 799,900 km (0.093 R)
• M5: 1,975,739 km (0.117 R)
• M6: 4,043,182 km (0.081 R)
• M7: 5,971,498 km (0.084 R)
• M8: 6,089,381 km (0.099 R)
• M9: 6,702,134 km (0.107 R)
• M10: 7,445,187 km (0.079 R)
• M11: 8,096,985 km (0.032 R)
• M12: 8,785,883 km (0.118 R)
• M13: 8,887,460 km (0.106 R)
• M14: 9,092,858 km (0.099 R)
• M15: 13,689,552 km (0.119 R)
• M16: 16,288,067 km (0.113 R)
• M17: 16,441,255 km (0.066 R)
• M18: 17,143,018 km (0.118 R)
• M19: 18,522,760 km (0.113 R)
• M20: 19,196,848 km (0.109 R)
• M21: 21,317,098 km (0.07 R)
• M22: 25,807,428 km (0.076 R)
• M23: 26,541,654 km (0.093 R)
• M24: 31,478,234 km (0.095 R)
• M25: 34,664,819 km (0.12 R)
• M26: 34,791,528 km (0.118 R)
• M27: 35,173,451 km (0.073 R)
• M28: 37,657,374 km (0.097 R)
• M29: 42,389,305 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 12,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit