🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.87 AU - 0.89 AU

Year: 308 Days

Day: 22.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 113,789,594 km

• M1: 48,021 km (0.082 R)
• M2: 327,919 km (0.105 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.56 AU - 2.04 AU

Year: 900 Days

Day: 16.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,789,594 km

• M1: 218,712 km (0.031 R)
• M2: 506,538 km (0.051 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.81 AU - 4.01 AU

Year: 2347 Days

Day: 42.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 12.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.84 AU - 9.84 AU

Year: 10641 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 113,789,594 km

• M1: 153,039 km (0.028 R)
• M2: 726,896 km (0.094 R)
• M3: 1,254,079 km (0.11 R)
• M4: 2,250,850 km (0.113 R)
• M5: 2,696,502 km (0.066 R)
• M6: 3,768,221 km (0.045 R)
• M7: 6,552,387 km (0.115 R)
• M8: 8,692,833 km (0.072 R)
• M9: 9,515,771 km (0.112 R)
• M10: 10,949,966 km (0.109 R)
• M11: 15,063,458 km (0.038 R)
• M12: 15,452,413 km (0.064 R)
• M13: 16,522,486 km (0.116 R)
• M14: 17,856,750 km (0.103 R)
• M15: 19,952,167 km (0.053 R)
• M16: 20,738,902 km (0.057 R)
• M17: 22,206,757 km (0.113 R)
• M18: 23,830,342 km (0.106 R)
• M19: 24,895,629 km (0.052 R)
• M20: 29,779,999 km (0.083 R)
• M21: 31,646,233 km (0.098 R)
• M22: 35,610,726 km (0.119 R)
• M23: 37,593,047 km (0.116 R)
• M24: 38,189,943 km (0.067 R)
• M25: 39,525,104 km (0.032 R)
• M26: 41,904,458 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.9

Radius: 5.8

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 14.68 AU - 18.56 AU

Year: 25258 Days

Day: 24.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 113,789,594 km

• M1: 72,405 km (0.083 R)
• M2: 405,560 km (0.108 R)
• M3: 1,002,455 km (0.062 R)
• M4: 1,919,939 km (0.099 R)
• M5: 2,584,303 km (0.055 R)
• M6: 3,067,504 km (0.107 R)
• M7: 3,609,049 km (0.075 R)
• M8: 4,880,481 km (0.077 R)
• M9: 5,199,124 km (0.112 R)
• M10: 5,574,166 km (0.071 R)
• M11: 6,472,053 km (0.098 R)
• M12: 6,662,640 km (0.079 R)
• M13: 6,856,968 km (0.111 R)
• M14: 8,722,453 km (0.115 R)
• M15: 9,678,234 km (0.108 R)
• M16: 10,181,631 km (0.096 R)
• M17: 11,446,631 km (0.106 R)
• M18: 12,152,882 km (0.071 R)
• M19: 12,738,558 km (0.101 R)
• M20: 15,779,733 km (0.099 R)
• M21: 16,742,994 km (0.105 R)
• M22: 17,375,942 km (0.094 R)
• M23: 18,118,696 km (0.078 R)
• M24: 18,979,482 km (0.1 R)
• M25: 23,025,955 km (0.082 R)
• M26: 33,335,043 km (0.057 R)
• M27: 37,610,999 km (0.11 R)
• M28: 39,008,842 km (0.109 R)
• M29: 39,482,319 km (0.092 R)
• M30: 41,414,974 km (0.082 R)
• M31: 44,088,587 km (0.085 R)
• M32: 54,350,402 km (0.094 R)
• M33: 55,735,379 km (0.069 R)
• M34: 63,666,161 km (0.103 R)
• M35: 76,181,668 km (0.112 R)
• M36: 86,978,147 km (0.097 R)
• M37: 88,056,598 km (0.091 R)
• M38: 88,871,308 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.1

Radius: 7.5

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 16.64 AU - 21.7 AU

Year: 31289 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 113,789,594 km

• M1: 93,349 km (0.098 R)
• M2: 432,787 km (0.044 R)
• M3: 1,625,979 km (0.098 R)
• M4: 2,381,299 km (0.108 R)
• M5: 2,697,698 km (0.099 R)
• M6: 3,319,128 km (0.096 R)
• M7: 5,179,976 km (0.116 R)
• M8: 6,185,423 km (0.117 R)
• M9: 6,431,063 km (0.041 R)
• M10: 7,369,790 km (0.082 R)
• M11: 8,945,055 km (0.106 R)
• M12: 9,844,587 km (0.111 R)
• M13: 11,451,268 km (0.108 R)
• M14: 12,048,912 km (0.07 R)
• M15: 16,639,622 km (0.109 R)
• M16: 19,635,319 km (0.093 R)
• M17: 20,167,289 km (0.107 R)
• M18: 21,371,402 km (0.065 R)
• M19: 26,027,337 km (0.085 R)
• M20: 36,797,785 km (0.102 R)
• M21: 40,102,552 km (0.049 R)
• M22: 41,478,104 km (0.093 R)
• M23: 42,884,773 km (0.071 R)
• M24: 54,255,857 km (0.098 R)
• M25: 68,935,896 km (0.085 R)
• M26: 76,522,303 km (0.103 R)
• M27: 78,369,238 km (0.088 R)
• M28: 84,366,916 km (0.094 R)
• M29: 93,926,070 km (0.096 R)
• M30: 102,582,401 km (0.033 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 13,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit