🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 175 Days

Day: 45.9 Hours

Environment

Temp: 200 °C

Axial Tilt: 57.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.78 AU - 2.62 AU

Year: 1142 Days

Day: 24.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,761,019 km

• M1: 236,215 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.78 AU - 2.78 AU

Year: 1622 Days

Day: 12.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 15

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.57 AU - 8.49 AU

Year: 6521 Days

Day: 12.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,761,019 km

• M1: 186,549 km (0.083 R)
• M2: 1,420,731 km (0.085 R)
• M3: 2,909,080 km (0.117 R)
• M4: 4,519,052 km (0.077 R)
• M5: 7,015,392 km (0.104 R)
• M6: 9,484,056 km (0.104 R)
• M7: 10,092,321 km (0.093 R)
• M8: 12,038,290 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 13.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 10.66 AU - 14.6 AU

Year: 15703 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,761,019 km

• M1: 163,062 km (0.064 R)
• M2: 953,387 km (0.113 R)
• M3: 1,530,985 km (0.064 R)
• M4: 2,647,583 km (0.1 R)
• M5: 3,136,020 km (0.041 R)
• M6: 4,392,941 km (0.108 R)
• M7: 5,109,366 km (0.086 R)
• M8: 5,932,304 km (0.103 R)
• M9: 7,108,292 km (0.118 R)
• M10: 10,656,904 km (0.114 R)
• M11: 11,338,172 km (0.077 R)
• M12: 11,951,972 km (0.067 R)
• M13: 15,588,098 km (0.102 R)
• M14: 16,948,392 km (0.054 R)
• M15: 20,451,375 km (0.075 R)
• M16: 26,323,989 km (0.118 R)
• M17: 29,028,270 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 11.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 10.95 AU - 14.87 AU

Year: 16228 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,761,019 km

• M1: 166,502 km (0.055 R)
• M2: 718,369 km (0.105 R)
• M3: 1,097,899 km (0.098 R)
• M4: 1,701,676 km (0.058 R)
• M5: 2,350,931 km (0.089 R)
• M6: 4,770,377 km (0.105 R)
• M7: 5,295,017 km (0.109 R)
• M8: 6,533,687 km (0.103 R)
• M9: 6,948,372 km (0.034 R)
• M10: 9,246,046 km (0.111 R)
• M11: 11,461,291 km (0.108 R)
• M12: 12,234,862 km (0.113 R)
• M13: 13,340,091 km (0.072 R)
• M14: 14,510,694 km (0.1 R)
• M15: 18,733,094 km (0.114 R)
• M16: 25,611,006 km (0.11 R)
• M17: 29,100,675 km (0.042 R)
• M18: 30,331,118 km (0.099 R)
• M19: 34,569,824 km (0.078 R)
• M20: 38,452,038 km (0.098 R)
• M21: 41,323,719 km (0.083 R)
• M22: 41,837,289 km (0.077 R)
• M23: 45,552,701 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.6

Radius: 6

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 13.8 AU - 19.74 AU

Year: 24026 Days

Day: 24.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,761,019 km

• M1: 86,019 km (0.034 R)
• M2: 392,844 km (0.076 R)
• M3: 922,121 km (0.079 R)
• M4: 1,412,503 km (0.05 R)
• M5: 2,669,275 km (0.041 R)
• M6: 4,030,466 km (0.045 R)
• M7: 4,787,581 km (0.061 R)
• M8: 5,199,872 km (0.087 R)
• M9: 6,534,585 km (0.108 R)
• M10: 6,808,199 km (0.11 R)
• M11: 8,031,162 km (0.103 R)
• M12: 11,224,478 km (0.116 R)
• M13: 12,360,973 km (0.12 R)
• M14: 13,352,956 km (0.118 R)
• M15: 14,320,555 km (0.101 R)
• M16: 16,063,071 km (0.107 R)
• M17: 17,765,645 km (0.102 R)
• M18: 20,058,531 km (0.072 R)
• M19: 22,644,779 km (0.093 R)
• M20: 25,669,499 km (0.081 R)
• M21: 28,588,602 km (0.052 R)
• M22: 28,953,172 km (0.053 R)
• M23: 43,753,637 km (0.093 R)
• M24: 47,048,830 km (0.065 R)
• M25: 50,682,861 km (0.084 R)
• M26: 53,390,283 km (0.078 R)
• M27: 56,573,427 km (0.089 R)
• M28: 58,114,285 km (0.103 R)
• M29: 61,885,348 km (0.065 R)
• M30: 63,314,756 km (0.089 R)
• M31: 66,451,823 km (0.108 R)
• M32: 67,735,223 km (0.067 R)
• M33: 70,130,584 km (0.071 R)
• M34: 76,016,064 km (0.055 R)
• M35: 78,364,601 km (0.09 R)
• M36: 79,078,482 km (0.102 R)
• M37: 80,277,808 km (0.053 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 10,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit