🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.83 AU - 1.21 AU

Year: 376 Days

Day: 20.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.23 AU - 1.69 AU

Year: 644 Days

Day: 27.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.35 AU - 1.89 AU

Year: 753 Days

Day: 31.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.03 AU - 3.39 AU

Year: 2101 Days

Day: 18.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 8.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.81 AU - 4.89 AU

Year: 3901 Days

Day: 6.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,946,888 km

• M1: 110,702 km (0.041 R)
• M2: 601,982 km (0.09 R)
• M3: 906,114 km (0.076 R)
• M4: 1,801,308 km (0.073 R)
• M5: 2,483,773 km (0.066 R)
• M6: 3,395,872 km (0.11 R)
• M7: 4,334,000 km (0.088 R)
• M8: 7,041,273 km (0.119 R)
• M9: 11,738,347 km (0.065 R)
• M10: 12,870,802 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 11.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.6 AU - 5.22 AU

Year: 3974 Days

Day: 8.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,946,888 km

• M1: 143,016 km (0.101 R)
• M2: 587,620 km (0.049 R)
• M3: 1,058,854 km (0.098 R)
• M4: 1,616,704 km (0.103 R)
• M5: 2,323,105 km (0.12 R)
• M6: 2,874,373 km (0.111 R)
• M7: 5,409,309 km (0.092 R)
• M8: 8,779,001 km (0.102 R)
• M9: 12,319,385 km (0.113 R)
• M10: 13,117,938 km (0.114 R)
• M11: 19,116,214 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 11

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.73 AU - 7.55 AU

Year: 6249 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,946,888 km

• M1: 153,039 km (0.117 R)
• M2: 517,010 km (0.077 R)
• M3: 1,148,313 km (0.105 R)
• M4: 2,186,223 km (0.087 R)
• M5: 2,587,295 km (0.114 R)
• M6: 2,959,046 km (0.119 R)
• M7: 3,584,066 km (0.116 R)
• M8: 5,126,569 km (0.079 R)
• M9: 5,934,996 km (0.102 R)
• M10: 6,965,726 km (0.064 R)
• M11: 12,616,785 km (0.112 R)
• M12: 13,750,587 km (0.053 R)
• M13: 26,488,248 km (0.095 R)
• M14: 28,072,340 km (0.078 R)
• M15: 29,347,512 km (0.106 R)
• M16: 33,002,936 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.5

Radius: 7.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.15 AU - 14.63 AU

Year: 16903 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,946,888 km

• M1: 222,153 km (0.119 R)
• M2: 684,859 km (0.058 R)
• M3: 2,117,408 km (0.083 R)
• M4: 2,480,034 km (0.066 R)
• M5: 3,308,207 km (0.108 R)
• M6: 7,075,530 km (0.074 R)
• M7: 16,889,600 km (0.089 R)
• M8: 20,692,078 km (0.043 R)
• M9: 22,669,014 km (0.069 R)
• M10: 24,941,855 km (0.114 R)
• M11: 29,837,295 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 6.1

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 15.21 AU - 22.49 AU

Year: 29892 Days

Day: 15.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,946,888 km

• M1: 78,240 km (0.088 R)
• M2: 312,809 km (0.118 R)
• M3: 513,869 km (0.109 R)
• M4: 776,114 km (0.074 R)
• M5: 1,561,802 km (0.116 R)
• M6: 3,579,578 km (0.114 R)
• M7: 8,480,105 km (0.093 R)
• M8: 9,462,963 km (0.097 R)
• M9: 13,399,032 km (0.092 R)
• M10: 15,313,137 km (0.112 R)
• M11: 15,761,931 km (0.113 R)
• M12: 17,645,518 km (0.092 R)
• M13: 18,641,391 km (0.088 R)
• M14: 22,041,750 km (0.072 R)
• M15: 23,392,170 km (0.073 R)
• M16: 24,899,219 km (0.076 R)
• M17: 27,007,801 km (0.039 R)
• M18: 27,772,994 km (0.111 R)
• M19: 28,440,350 km (0.113 R)
• M20: 29,461,505 km (0.055 R)
• M21: 34,042,791 km (0.038 R)
• M22: 36,900,708 km (0.063 R)
• M23: 41,481,545 km (0.042 R)
• M24: 43,088,974 km (0.117 R)
• M25: 43,534,327 km (0.08 R)
• M26: 62,260,240 km (0.109 R)
• M27: 63,211,084 km (0.054 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 12,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit