🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.87 AU

Year: 209 Days

Day: 17.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.37 AU - 1.37 AU

Year: 561 Days

Day: 44.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 48,710,502 km

• M1: 37,399 km (0.05 R)
• M2: 113,844 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.28 AU - 1.66 AU

Year: 624 Days

Day: 47.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.18 AU - 1.8 AU

Year: 636 Days

Day: 14.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 43.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,710,502 km

• M1: 647,160 km (0.114 R)

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.23 AU - 5.51 AU

Year: 3760 Days

Day: 45 Hours

Environment

Temp: -132 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,710,502 km

• M1: 595,400 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 14.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.99 AU - 6.55 AU

Year: 4849 Days

Day: 10 Hours

Environment

Temp: -142 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,710,502 km

• M1: 181,911 km (0.069 R)
• M2: 681,867 km (0.088 R)
• M3: 1,333,067 km (0.088 R)
• M4: 4,326,071 km (0.076 R)
• M5: 5,334,510 km (0.107 R)
• M6: 6,817,624 km (0.054 R)
• M7: 7,852,691 km (0.073 R)
• M8: 10,853,924 km (0.069 R)
• M9: 12,811,711 km (0.119 R)
• M10: 13,583,636 km (0.091 R)
• M11: 17,293,215 km (0.089 R)
• M12: 19,280,473 km (0.111 R)
• M13: 20,020,982 km (0.089 R)
• M14: 25,027,574 km (0.076 R)
• M15: 26,153,149 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 11.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.77 AU - 9.31 AU

Year: 7976 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,710,502 km

• M1: 147,952 km (0.091 R)
• M2: 540,946 km (0.079 R)
• M3: 1,063,042 km (0.056 R)
• M4: 1,529,937 km (0.081 R)
• M5: 2,826,203 km (0.09 R)
• M6: 5,899,093 km (0.111 R)
• M7: 19,023,015 km (0.104 R)
• M8: 23,632,873 km (0.095 R)
• M9: 25,740,857 km (0.084 R)
• M10: 26,195,335 km (0.059 R)
• M11: 26,840,700 km (0.104 R)
• M12: 28,548,659 km (0.056 R)
• M13: 29,232,022 km (0.044 R)
• M14: 31,141,938 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.4

Radius: 5.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 14.23 AU - 19.69 AU

Year: 24435 Days

Day: 24 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,710,502 km

• M1: 74,500 km (0.052 R)
• M2: 258,056 km (0.101 R)
• M3: 543,339 km (0.049 R)
• M4: 978,520 km (0.094 R)
• M5: 1,187,508 km (0.103 R)
• M6: 1,869,375 km (0.105 R)
• M7: 3,913,480 km (0.092 R)
• M8: 4,188,292 km (0.101 R)
• M9: 4,624,669 km (0.115 R)
• M10: 7,232,608 km (0.116 R)
• M11: 8,433,131 km (0.034 R)
• M12: 9,175,735 km (0.081 R)
• M13: 10,113,265 km (0.037 R)
• M14: 11,222,084 km (0.079 R)
• M15: 14,056,366 km (0.086 R)
• M16: 14,701,581 km (0.046 R)
• M17: 15,501,780 km (0.096 R)
• M18: 16,330,552 km (0.105 R)
• M19: 17,334,504 km (0.093 R)
• M20: 24,053,393 km (0.097 R)
• M21: 24,511,611 km (0.086 R)
• M22: 29,627,559 km (0.076 R)
• M23: 35,294,027 km (0.116 R)
• M24: 38,567,378 km (0.067 R)
• M25: 43,104,382 km (0.1 R)
• M26: 43,509,045 km (0.118 R)
• M27: 43,780,266 km (0.084 R)
• M28: 48,274,036 km (0.114 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 20,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit