🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.62 AU - 0.84 AU

Year: 223 Days

Day: 22.1 Hours

Environment

Temp: 120 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.96 AU - 0.96 AU

Year: 337 Days

Day: 37.1 Hours

Environment

Temp: 147 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,591,339 km

• M1: 221,255 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.24 AU - 1.64 AU

Year: 619 Days

Day: 42.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,591,339 km

• M1: 55,800 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.4 AU - 1.98 AU

Year: 787 Days

Day: 30.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.91 AU - 2.05 AU

Year: 998 Days

Day: 33.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.4

Radius: 5.4

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.95 AU - 14.39 AU

Year: 18102 Days

Day: 23 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,591,339 km

• M1: 67,319 km (0.092 R)
• M2: 314,904 km (0.116 R)
• M3: 500,554 km (0.083 R)
• M4: 1,261,708 km (0.062 R)
• M5: 1,529,937 km (0.03 R)
• M6: 2,441,736 km (0.081 R)
• M7: 2,930,024 km (0.035 R)
• M8: 3,402,155 km (0.094 R)
• M9: 4,098,832 km (0.108 R)
• M10: 5,123,727 km (0.049 R)
• M11: 5,658,839 km (0.099 R)
• M12: 6,309,290 km (0.095 R)
• M13: 6,797,578 km (0.115 R)
• M14: 7,398,662 km (0.045 R)
• M15: 10,215,141 km (0.058 R)
• M16: 12,634,438 km (0.066 R)
• M17: 17,920,778 km (0.072 R)
• M18: 24,317,283 km (0.082 R)
• M19: 26,538,961 km (0.107 R)
• M20: 27,273,188 km (0.099 R)
• M21: 30,803,249 km (0.057 R)
• M22: 32,201,989 km (0.12 R)
• M23: 41,213,615 km (0.043 R)
• M24: 48,123,541 km (0.083 R)
• M25: 50,162,560 km (0.092 R)
• M26: 51,122,828 km (0.093 R)
• M27: 51,932,452 km (0.041 R)
• M28: 56,108,626 km (0.038 R)
• M29: 56,796,926 km (0.057 R)
• M30: 57,490,911 km (0.05 R)
• M31: 58,366,357 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396

Radius: 4

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 13.68 AU - 16.88 AU

Year: 21392 Days

Day: 21.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,591,339 km

• M1: 49,816 km (0.098 R)
• M2: 251,773 km (0.117 R)
• M3: 689,945 km (0.088 R)
• M4: 1,023,997 km (0.119 R)
• M5: 3,192,269 km (0.117 R)
• M6: 4,922,668 km (0.073 R)
• M7: 5,502,509 km (0.094 R)
• M8: 6,126,631 km (0.059 R)
• M9: 10,307,892 km (0.081 R)
• M10: 30,292,372 km (0.103 R)
• M11: 33,713,077 km (0.102 R)
• M12: 36,042,765 km (0.08 R)
• M13: 44,580,465 km (0.076 R)
• M14: 50,963,357 km (0.108 R)
• M15: 54,371,795 km (0.096 R)
• M16: 57,205,328 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.4

Radius: 6.3

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 15.38 AU - 16.1 AU

Year: 22366 Days

Day: 16.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,591,339 km

• M1: 79,885 km (0.074 R)
• M2: 437,873 km (0.095 R)
• M3: 740,210 km (0.086 R)
• M4: 994,527 km (0.052 R)
• M5: 1,247,945 km (0.043 R)
• M6: 1,665,024 km (0.079 R)
• M7: 2,436,949 km (0.112 R)
• M8: 3,573,145 km (0.119 R)
• M9: 5,493,234 km (0.074 R)
• M10: 6,074,422 km (0.079 R)
• M11: 6,604,596 km (0.064 R)
• M12: 7,407,638 km (0.103 R)
• M13: 8,221,301 km (0.086 R)
• M14: 8,869,508 km (0.119 R)
• M15: 10,024,853 km (0.072 R)
• M16: 11,277,286 km (0.089 R)
• M17: 12,771,619 km (0.079 R)
• M18: 14,316,815 km (0.094 R)
• M19: 14,858,360 km (0.066 R)
• M20: 16,990,279 km (0.089 R)
• M21: 17,509,683 km (0.113 R)
• M22: 19,411,371 km (0.067 R)
• M23: 24,594,488 km (0.091 R)
• M24: 27,089,631 km (0.07 R)
• M25: 32,975,709 km (0.101 R)
• M26: 39,962,977 km (0.065 R)
• M27: 45,849,204 km (0.094 R)
• M28: 46,686,354 km (0.112 R)
• M29: 54,498,654 km (0.099 R)
• M30: 59,699,573 km (0.112 R)
• M31: 63,344,825 km (0.114 R)
• M32: 69,086,541 km (0.078 R)
• M33: 71,298,046 km (0.109 R)
• M34: 76,095,350 km (0.109 R)
• M35: 77,032,880 km (0.11 R)
• M36: 78,930,829 km (0.088 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit