🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.47 AU - 0.65 AU

Year: 271 Days

Day: 16.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,651,261 km

• M1: 319,391 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 10.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.6 AU - 0.76 AU

Year: 362 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 94,651,261 km

• M1: 127,757 km (0.066 R)
• M2: 562,039 km (0.089 R)
• M3: 921,373 km (0.038 R)
• M4: 1,391,410 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.5

Radius: 13.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.88 AU - 5.46 AU

Year: 7590 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,651,261 km

• M1: 168,746 km (0.061 R)
• M2: 624,122 km (0.12 R)
• M3: 1,349,373 km (0.118 R)
• M4: 1,801,607 km (0.098 R)
• M5: 3,111,636 km (0.106 R)
• M6: 4,128,452 km (0.071 R)
• M7: 5,166,961 km (0.105 R)
• M8: 6,337,115 km (0.095 R)
• M9: 8,743,846 km (0.1 R)
• M10: 9,762,607 km (0.107 R)
• M11: 11,014,891 km (0.087 R)
• M12: 15,810,999 km (0.065 R)
• M13: 16,761,544 km (0.11 R)
• M14: 17,966,555 km (0.088 R)
• M15: 18,627,478 km (0.078 R)
• M16: 19,765,170 km (0.088 R)
• M17: 20,628,499 km (0.062 R)
• M18: 24,692,774 km (0.118 R)
• M19: 26,533,726 km (0.119 R)
• M20: 27,199,137 km (0.096 R)
• M21: 29,565,476 km (0.056 R)
• M22: 30,798,910 km (0.071 R)
• M23: 31,746,164 km (0.095 R)
• M24: 37,366,257 km (0.07 R)
• M25: 37,842,577 km (0.092 R)
• M26: 39,542,008 km (0.047 R)
• M27: 40,912,474 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 14.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.26 AU - 6.2 AU

Year: 7723 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,651,261 km

• M1: 184,305 km (0.093 R)
• M2: 706,252 km (0.025 R)
• M3: 1,723,816 km (0.072 R)
• M4: 2,812,889 km (0.061 R)
• M5: 3,319,876 km (0.117 R)
• M6: 5,003,002 km (0.086 R)
• M7: 7,626,799 km (0.073 R)
• M8: 8,561,037 km (0.114 R)
• M9: 9,040,050 km (0.045 R)
• M10: 9,912,654 km (0.063 R)
• M11: 10,405,429 km (0.113 R)
• M12: 15,421,596 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.3

Radius: 7.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.72 AU - 11.26 AU

Year: 18876 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,651,261 km

• M1: 98,735 km (0.094 R)
• M2: 414,386 km (0.066 R)
• M3: 703,708 km (0.097 R)
• M4: 1,153,699 km (0.08 R)
• M5: 2,607,042 km (0.109 R)
• M6: 3,044,915 km (0.042 R)
• M7: 3,505,677 km (0.115 R)
• M8: 5,038,905 km (0.088 R)
• M9: 6,421,339 km (0.04 R)
• M10: 9,862,838 km (0.085 R)
• M11: 10,331,827 km (0.083 R)
• M12: 13,275,764 km (0.089 R)
• M13: 27,357,411 km (0.077 R)
• M14: 33,692,732 km (0.096 R)
• M15: 40,940,449 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.6

Radius: 7.5

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 9.08 AU - 13.18 AU

Year: 23975 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,651,261 km

• M1: 95,593 km (0.1 R)
• M2: 549,623 km (0.094 R)
• M3: 956,529 km (0.1 R)
• M4: 1,228,797 km (0.09 R)
• M5: 1,483,861 km (0.118 R)
• M6: 1,954,496 km (0.118 R)
• M7: 2,910,277 km (0.078 R)
• M8: 3,460,648 km (0.099 R)
• M9: 3,942,502 km (0.057 R)
• M10: 4,182,308 km (0.076 R)
• M11: 7,930,482 km (0.101 R)
• M12: 8,595,445 km (0.069 R)
• M13: 9,000,257 km (0.117 R)
• M14: 10,420,389 km (0.049 R)
• M15: 12,562,780 km (0.107 R)
• M16: 16,433,775 km (0.101 R)
• M17: 17,057,598 km (0.101 R)
• M18: 19,414,961 km (0.079 R)
• M19: 21,450,689 km (0.037 R)
• M20: 21,981,163 km (0.082 R)
• M21: 29,694,280 km (0.096 R)
• M22: 31,021,512 km (0.056 R)
• M23: 32,249,411 km (0.108 R)
• M24: 34,656,591 km (0.108 R)
• M25: 36,127,287 km (0.107 R)
• M26: 37,333,345 km (0.096 R)
• M27: 39,350,074 km (0.105 R)
• M28: 50,718,465 km (0.098 R)
• M29: 51,281,552 km (0.099 R)
• M30: 53,189,074 km (0.12 R)
• M31: 56,942,634 km (0.091 R)
• M32: 66,305,367 km (0.101 R)
• M33: 69,717,694 km (0.106 R)
• M34: 78,131,378 km (0.039 R)
• M35: 80,909,111 km (0.04 R)
• M36: 89,910,265 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit