🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.62 AU - 0.84 AU

Year: 240 Days

Day: 24.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 302 Days

Day: 23.6 Hours

Environment

Temp: 40 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.6 AU - 2.52 AU

Year: 1138 Days

Day: 20.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 90.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.43 AU - 2.87 AU

Year: 1661 Days

Day: 37.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 14.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.73 AU - 4.25 AU

Year: 3069 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,799,724 km

• M1: 185,651 km (0.102 R)
• M2: 749,635 km (0.095 R)
• M3: 1,243,308 km (0.115 R)
• M4: 1,934,300 km (0.107 R)
• M5: 2,480,333 km (0.104 R)
• M6: 3,171,176 km (0.102 R)
• M7: 3,939,510 km (0.081 R)
• M8: 4,554,507 km (0.078 R)
• M9: 5,453,890 km (0.092 R)
• M10: 7,555,740 km (0.116 R)
• M11: 8,621,026 km (0.112 R)
• M12: 9,573,516 km (0.064 R)
• M13: 10,467,662 km (0.111 R)
• M14: 11,149,230 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 13.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.02 AU - 7.78 AU

Year: 6234 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,799,724 km

• M1: 164,408 km (0.092 R)
• M2: 609,611 km (0.118 R)
• M3: 1,072,766 km (0.05 R)
• M4: 1,541,905 km (0.063 R)
• M5: 2,386,086 km (0.084 R)
• M6: 2,796,732 km (0.056 R)
• M7: 5,593,464 km (0.112 R)
• M8: 6,026,401 km (0.096 R)
• M9: 7,868,698 km (0.109 R)
• M10: 10,061,504 km (0.086 R)
• M11: 11,374,674 km (0.115 R)
• M12: 12,472,722 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.9

Radius: 8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 10.69 AU - 17.51 AU

Year: 20384 Days

Day: 17.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,799,724 km

• M1: 100,530 km (0.079 R)
• M2: 688,300 km (0.096 R)
• M3: 978,370 km (0.049 R)
• M4: 1,284,896 km (0.046 R)
• M5: 2,114,267 km (0.112 R)
• M6: 2,465,672 km (0.097 R)
• M7: 2,971,163 km (0.034 R)
• M8: 3,261,383 km (0.086 R)
• M9: 5,893,259 km (0.09 R)
• M10: 6,197,391 km (0.109 R)
• M11: 10,714,947 km (0.101 R)
• M12: 11,635,872 km (0.083 R)
• M13: 20,549,811 km (0.079 R)
• M14: 23,544,760 km (0.109 R)
• M15: 26,202,067 km (0.036 R)
• M16: 27,974,054 km (0.025 R)
• M17: 38,570,520 km (0.089 R)
• M18: 40,449,020 km (0.032 R)
• M19: 42,387,659 km (0.103 R)
• M20: 51,400,332 km (0.114 R)
• M21: 56,692,058 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 6.3

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 12.63 AU - 17.47 AU

Year: 22479 Days

Day: 24.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,799,724 km

• M1: 78,389 km (0.062 R)
• M2: 350,657 km (0.038 R)
• M3: 569,968 km (0.057 R)
• M4: 1,190,799 km (0.099 R)
• M5: 1,450,202 km (0.094 R)
• M6: 2,607,491 km (0.09 R)
• M7: 3,388,392 km (0.118 R)
• M8: 6,160,889 km (0.109 R)
• M9: 7,837,732 km (0.056 R)
• M10: 8,921,568 km (0.095 R)
• M11: 9,149,705 km (0.039 R)
• M12: 12,271,065 km (0.082 R)
• M13: 13,352,657 km (0.077 R)
• M14: 16,459,955 km (0.113 R)
• M15: 19,344,650 km (0.09 R)
• M16: 21,006,383 km (0.102 R)
• M17: 30,500,463 km (0.112 R)
• M18: 30,888,819 km (0.108 R)
• M19: 31,807,798 km (0.106 R)
• M20: 33,152,085 km (0.116 R)
• M21: 38,155,386 km (0.098 R)
• M22: 38,455,629 km (0.098 R)
• M23: 38,757,368 km (0.091 R)
• M24: 39,672,159 km (0.103 R)
• M25: 40,289,998 km (0.108 R)
• M26: 49,626,102 km (0.115 R)
• M27: 53,281,376 km (0.109 R)
• M28: 53,656,418 km (0.111 R)
• M29: 57,899,612 km (0.103 R)
• M30: 58,894,288 km (0.117 R)
• M31: 74,740,293 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 10,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit