🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.93 AU - 1.29 AU

Year: 413 Days

Day: 33.9 Hours

Environment

Temp: 46 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.19 AU - 3.49 AU

Year: 2155 Days

Day: 45.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.21 AU - 3.77 AU

Year: 2302 Days

Day: 39.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.25 AU - 5.35 AU

Year: 3148 Days

Day: 12.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 12.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.04 AU - 11.76 AU

Year: 11843 Days

Day: 5.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,794,983 km

• M1: 153,039 km (0.105 R)
• M2: 598,990 km (0.115 R)
• M3: 3,970,926 km (0.073 R)
• M4: 5,239,965 km (0.102 R)
• M5: 8,928,450 km (0.106 R)
• M6: 14,478,531 km (0.097 R)
• M7: 18,751,495 km (0.116 R)
• M8: 20,910,042 km (0.119 R)
• M9: 21,374,245 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.4

Radius: 5.8

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 13.71 AU - 20.79 AU

Year: 25298 Days

Day: 23.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 25,794,983 km

• M1: 84,972 km (0.099 R)
• M2: 380,727 km (0.098 R)
• M3: 647,460 km (0.073 R)
• M4: 857,645 km (0.037 R)
• M5: 1,781,112 km (0.113 R)
• M6: 2,201,632 km (0.091 R)
• M7: 2,836,824 km (0.096 R)
• M8: 3,739,648 km (0.109 R)
• M9: 5,235,477 km (0.111 R)
• M10: 5,798,413 km (0.108 R)
• M11: 7,043,666 km (0.114 R)
• M12: 8,565,525 km (0.111 R)
• M13: 14,194,893 km (0.11 R)
• M14: 16,766,630 km (0.064 R)
• M15: 18,613,416 km (0.071 R)
• M16: 18,796,075 km (0.12 R)
• M17: 21,581,288 km (0.108 R)
• M18: 22,602,144 km (0.116 R)
• M19: 24,739,598 km (0.11 R)
• M20: 36,179,048 km (0.102 R)
• M21: 40,149,376 km (0.082 R)
• M22: 44,238,035 km (0.097 R)
• M23: 49,116,272 km (0.045 R)
• M24: 49,640,463 km (0.106 R)
• M25: 51,774,776 km (0.09 R)
• M26: 54,155,028 km (0.093 R)
• M27: 56,034,874 km (0.113 R)
• M28: 56,798,871 km (0.073 R)
• M29: 67,587,271 km (0.114 R)
• M30: 69,985,325 km (0.071 R)
• M31: 70,427,237 km (0.073 R)
• M32: 72,439,478 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.1

Radius: 6.1

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 14.66 AU - 24.06 AU

Year: 30079 Days

Day: 15.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 25,794,983 km

• M1: 93,947 km (0.079 R)
• M2: 396,285 km (0.048 R)
• M3: 605,423 km (0.117 R)
• M4: 1,008,140 km (0.082 R)
• M5: 1,291,628 km (0.115 R)
• M6: 1,863,241 km (0.047 R)
• M7: 2,315,027 km (0.087 R)
• M8: 2,638,906 km (0.072 R)
• M9: 3,019,035 km (0.064 R)
• M10: 3,264,076 km (0.119 R)
• M11: 6,591,282 km (0.065 R)
• M12: 7,633,231 km (0.053 R)
• M13: 8,457,067 km (0.056 R)
• M14: 9,979,076 km (0.053 R)
• M15: 10,463,174 km (0.09 R)
• M16: 10,710,908 km (0.059 R)
• M17: 11,675,216 km (0.105 R)
• M18: 12,418,269 km (0.06 R)
• M19: 17,813,516 km (0.086 R)
• M20: 19,722,086 km (0.118 R)
• M21: 20,100,568 km (0.102 R)
• M22: 20,677,268 km (0.116 R)
• M23: 21,067,719 km (0.114 R)
• M24: 21,863,579 km (0.093 R)
• M25: 25,919,177 km (0.069 R)
• M26: 26,145,519 km (0.109 R)
• M27: 26,948,261 km (0.097 R)
• M28: 32,636,271 km (0.081 R)
• M29: 38,190,990 km (0.073 R)
• M30: 48,507,409 km (0.091 R)
• M31: 51,126,269 km (0.112 R)
• M32: 52,923,688 km (0.092 R)
• M33: 54,206,639 km (0.077 R)
• M34: 54,577,043 km (0.08 R)
• M35: 56,454,048 km (0.083 R)
• M36: 67,552,115 km (0.105 R)
• M37: 77,177,990 km (0.078 R)
• M38: 77,646,680 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.8

Radius: 5.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 19.86 AU - 20.02 AU

Year: 31440 Days

Day: 18.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,794,983 km

• M1: 68,815 km (0.117 R)
• M2: 346,020 km (0.051 R)
• M3: 657,632 km (0.081 R)
• M4: 3,441,050 km (0.064 R)
• M5: 4,733,127 km (0.086 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 14,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit