🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 162 Days

Day: 25.6 Hours

Environment

Temp: 138 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,211,388 km

• M1: 233,073 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.54 AU - 0.84 AU

Year: 240 Days

Day: 42.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.56 AU - 0.84 AU

Year: 245 Days

Day: 22.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,211,388 km

• M1: 392,246 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.13 AU - 3.07 AU

Year: 1756 Days

Day: 13.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 10.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.19 AU - 5.61 AU

Year: 4544 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,211,388 km

• M1: 133,142 km (0.041 R)
• M2: 599,139 km (0.081 R)
• M3: 938,278 km (0.115 R)
• M4: 1,330,823 km (0.067 R)
• M5: 2,667,031 km (0.109 R)
• M6: 3,282,028 km (0.092 R)
• M7: 3,989,177 km (0.1 R)
• M8: 4,893,646 km (0.119 R)
• M9: 5,733,488 km (0.103 R)
• M10: 7,397,914 km (0.032 R)
• M11: 8,252,417 km (0.119 R)
• M12: 8,907,506 km (0.076 R)
• M13: 9,557,658 km (0.074 R)
• M14: 13,293,566 km (0.036 R)
• M15: 14,193,996 km (0.09 R)
• M16: 14,974,896 km (0.113 R)
• M17: 17,139,727 km (0.111 R)
• M18: 17,965,358 km (0.095 R)
• M19: 19,127,883 km (0.032 R)
• M20: 20,601,572 km (0.106 R)
• M21: 21,738,515 km (0.115 R)
• M22: 24,725,985 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 8.1

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.81 AU - 9.59 AU

Year: 9838 Days

Day: 7.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,211,388 km

• M1: 100,829 km (0.095 R)
• M2: 537,804 km (0.065 R)
• M3: 1,300,005 km (0.112 R)
• M4: 1,691,054 km (0.057 R)
• M5: 2,629,631 km (0.098 R)
• M6: 3,449,577 km (0.083 R)
• M7: 4,287,774 km (0.059 R)
• M8: 4,694,531 km (0.028 R)
• M9: 5,158,733 km (0.098 R)
• M10: 5,418,584 km (0.113 R)
• M11: 5,894,605 km (0.101 R)
• M12: 6,178,841 km (0.114 R)
• M13: 7,656,718 km (0.087 R)
• M14: 8,256,456 km (0.098 R)
• M15: 8,795,008 km (0.075 R)
• M16: 9,597,751 km (0.112 R)
• M17: 11,789,659 km (0.099 R)
• M18: 15,137,659 km (0.077 R)
• M19: 15,739,940 km (0.043 R)
• M20: 16,567,665 km (0.05 R)
• M21: 16,849,956 km (0.079 R)
• M22: 17,642,825 km (0.1 R)
• M23: 18,309,882 km (0.097 R)
• M24: 19,694,260 km (0.1 R)
• M25: 20,492,814 km (0.057 R)
• M26: 22,497,126 km (0.118 R)
• M27: 24,355,281 km (0.086 R)
• M28: 39,175,045 km (0.12 R)
• M29: 39,802,608 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.5

Radius: 5.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 10.5 AU - 16.94 AU

Year: 21292 Days

Day: 20.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,211,388 km

• M1: 95,294 km (0.058 R)
• M2: 290,968 km (0.048 R)
• M3: 883,525 km (0.103 R)
• M4: 3,870,845 km (0.11 R)
• M5: 4,536,555 km (0.093 R)
• M6: 6,092,074 km (0.051 R)
• M7: 7,972,669 km (0.119 R)
• M8: 9,561,847 km (0.049 R)
• M9: 11,649,635 km (0.062 R)
• M10: 14,715,793 km (0.042 R)
• M11: 16,094,637 km (0.112 R)
• M12: 21,011,919 km (0.06 R)
• M13: 37,611,897 km (0.064 R)
• M14: 42,134,091 km (0.071 R)
• M15: 49,814,894 km (0.106 R)
• M16: 54,572,705 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.7

Radius: 4.1

Gravity: 28.06 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 13.98 AU - 15.48 AU

Year: 23686 Days

Day: 24.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,211,388 km

• M1: 68,067 km (0.115 R)
• M2: 212,279 km (0.095 R)
• M3: 941,868 km (0.112 R)
• M4: 2,080,308 km (0.04 R)
• M5: 2,225,717 km (0.087 R)
• M6: 3,191,371 km (0.11 R)
• M7: 6,629,729 km (0.087 R)
• M8: 17,279,302 km (0.103 R)
• M9: 20,219,199 km (0.115 R)
• M10: 28,811,652 km (0.101 R)
• M11: 30,879,693 km (0.036 R)
• M12: 36,827,256 km (0.108 R)
• M13: 38,677,632 km (0.097 R)
• M14: 42,562,389 km (0.117 R)
• M15: 54,296,846 km (0.037 R)
• M16: 62,278,940 km (0.101 R)
• M17: 63,479,463 km (0.047 R)
• M18: 64,288,339 km (0.12 R)
• M19: 64,899,446 km (0.104 R)
• M20: 65,309,045 km (0.068 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 18,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit