🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.67 AU - 1.03 AU

Year: 281 Days

Day: 28 Hours

Environment

Temp: 147 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,700,424 km

• M1: 38,297 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.21 AU - 1.33 AU

Year: 513 Days

Day: 17.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.67 AU - 2.65 AU

Year: 1137 Days

Day: 37.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 11.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.68 AU - 10.26 AU

Year: 11275 Days

Day: 14.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,700,424 km

• M1: 138,079 km (0.113 R)
• M2: 564,732 km (0.087 R)
• M3: 1,093,560 km (0.106 R)
• M4: 1,602,193 km (0.109 R)
• M5: 2,143,139 km (0.032 R)
• M6: 4,837,846 km (0.102 R)
• M7: 5,704,915 km (0.084 R)
• M8: 7,317,430 km (0.115 R)
• M9: 7,782,380 km (0.115 R)
• M10: 10,634,165 km (0.092 R)
• M11: 14,119,346 km (0.11 R)
• M12: 15,587,799 km (0.03 R)
• M13: 21,532,070 km (0.107 R)
• M14: 22,488,749 km (0.095 R)
• M15: 26,102,435 km (0.107 R)
• M16: 26,852,219 km (0.109 R)
• M17: 28,569,603 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.7

Radius: 3.6

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 10.27 AU - 16.57 AU

Year: 17608 Days

Day: 15.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,700,424 km

• M1: 73,602 km (0.109 R)
• M2: 1,010,833 km (0.055 R)
• M3: 2,819,621 km (0.1 R)
• M4: 2,956,353 km (0.118 R)
• M5: 4,486,739 km (0.109 R)
• M6: 4,801,044 km (0.115 R)
• M7: 7,001,480 km (0.111 R)
• M8: 8,696,723 km (0.106 R)
• M9: 8,889,704 km (0.059 R)
• M10: 10,592,277 km (0.094 R)
• M11: 11,665,044 km (0.096 R)
• M12: 12,378,775 km (0.09 R)
• M13: 13,632,106 km (0.082 R)
• M14: 13,761,957 km (0.12 R)
• M15: 19,907,138 km (0.064 R)
• M16: 24,087,202 km (0.043 R)
• M17: 24,372,335 km (0.103 R)
• M18: 27,970,912 km (0.109 R)
• M19: 30,335,755 km (0.103 R)
• M20: 32,946,986 km (0.08 R)
• M21: 35,950,911 km (0.092 R)
• M22: 36,198,795 km (0.043 R)
• M23: 36,698,003 km (0.073 R)
• M24: 38,481,509 km (0.081 R)
• M25: 41,808,566 km (0.073 R)
• M26: 50,564,679 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.6

Radius: 6.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 15.54 AU - 24.06 AU

Year: 31555 Days

Day: 25 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,700,424 km

• M1: 83,326 km (0.079 R)
• M2: 455,226 km (0.048 R)
• M3: 987,944 km (0.083 R)
• M4: 1,633,160 km (0.096 R)
• M5: 4,336,094 km (0.083 R)
• M6: 6,602,951 km (0.057 R)
• M7: 7,366,648 km (0.098 R)
• M8: 9,068,174 km (0.076 R)
• M9: 11,077,274 km (0.064 R)
• M10: 13,716,330 km (0.106 R)
• M11: 16,747,033 km (0.118 R)
• M12: 17,485,747 km (0.072 R)
• M13: 23,175,553 km (0.083 R)
• M14: 23,478,488 km (0.033 R)
• M15: 24,927,344 km (0.094 R)
• M16: 28,230,913 km (0.114 R)
• M17: 39,010,188 km (0.085 R)
• M18: 43,594,016 km (0.066 R)
• M19: 46,413,787 km (0.1 R)
• M20: 51,722,716 km (0.05 R)
• M21: 55,779,212 km (0.113 R)
• M22: 64,319,305 km (0.112 R)
• M23: 66,531,858 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.1

Radius: 3.8

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 18.83 AU - 21.37 AU

Year: 32275 Days

Day: 20.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,700,424 km

• M1: 171,140 km (0.072 R)
• M2: 852,558 km (0.096 R)
• M3: 2,417,202 km (0.074 R)
• M4: 2,964,132 km (0.097 R)
• M5: 3,253,006 km (0.106 R)
• M6: 9,440,673 km (0.059 R)
• M7: 12,099,027 km (0.114 R)
• M8: 12,362,918 km (0.058 R)
• M9: 20,182,548 km (0.067 R)
• M10: 22,577,311 km (0.101 R)
• M11: 27,465,870 km (0.056 R)
• M12: 28,614,482 km (0.096 R)
• M13: 31,130,270 km (0.102 R)
• M14: 33,400,717 km (0.062 R)
• M15: 36,186,079 km (0.09 R)
• M16: 40,281,620 km (0.11 R)
• M17: 46,261,646 km (0.117 R)
• M18: 48,876,916 km (0.079 R)
• M19: 49,043,568 km (0.056 R)
• M20: 51,073,012 km (0.107 R)
• M21: 51,761,761 km (0.114 R)
• M22: 65,039,469 km (0.102 R)
• M23: 66,255,551 km (0.065 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 17,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit