🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.54 AU - 0.82 AU

Year: 248 Days

Day: 35.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,740,087 km

• M1: 18,849 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.72 AU - 0.84 AU

Year: 305 Days

Day: 37.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.2 AU - 1.4 AU

Year: 657 Days

Day: 33.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.6

Radius: 4.3

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.32 AU - 11.7 AU

Year: 14028 Days

Day: 18.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,740,087 km

• M1: 53,406 km (0.116 R)
• M2: 214,673 km (0.068 R)
• M3: 1,226,254 km (0.092 R)
• M4: 1,785,002 km (0.095 R)
• M5: 8,684,456 km (0.059 R)
• M6: 11,945,988 km (0.038 R)
• M7: 14,023,753 km (0.112 R)
• M8: 15,940,401 km (0.104 R)
• M9: 16,860,578 km (0.03 R)
• M10: 22,561,752 km (0.051 R)
• M11: 23,053,331 km (0.118 R)
• M12: 25,354,595 km (0.102 R)
• M13: 25,530,821 km (0.12 R)
• M14: 26,244,254 km (0.111 R)
• M15: 28,559,430 km (0.096 R)
• M16: 30,209,196 km (0.115 R)
• M17: 33,379,174 km (0.068 R)
• M18: 36,203,283 km (0.099 R)

Asteroid Belt

Center: 11.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.2

Radius: 6.9

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 12.47 AU - 12.91 AU

Year: 20023 Days

Day: 22.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,740,087 km

• M1: 85,869 km (0.04 R)
• M2: 338,839 km (0.114 R)
• M3: 721,660 km (0.088 R)
• M4: 1,327,681 km (0.087 R)
• M5: 1,620,295 km (0.059 R)
• M6: 1,936,844 km (0.099 R)
• M7: 2,511,299 km (0.12 R)
• M8: 3,167,286 km (0.099 R)
• M9: 3,901,812 km (0.067 R)
• M10: 4,244,840 km (0.068 R)
• M11: 5,135,695 km (0.103 R)
• M12: 7,997,652 km (0.119 R)
• M13: 9,185,160 km (0.063 R)
• M14: 10,545,154 km (0.036 R)
• M15: 14,230,946 km (0.097 R)
• M16: 15,423,540 km (0.119 R)
• M17: 16,123,060 km (0.098 R)
• M18: 16,600,876 km (0.052 R)
• M19: 16,924,755 km (0.062 R)
• M20: 17,668,705 km (0.086 R)
• M21: 18,520,665 km (0.112 R)
• M22: 20,863,817 km (0.105 R)
• M23: 26,899,343 km (0.094 R)
• M24: 35,990,106 km (0.104 R)
• M25: 36,260,729 km (0.068 R)
• M26: 41,367,551 km (0.047 R)
• M27: 45,025,818 km (0.081 R)
• M28: 47,094,756 km (0.091 R)
• M29: 54,924,260 km (0.083 R)
• M30: 55,282,996 km (0.082 R)
• M31: 65,774,145 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 20,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit