🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 11.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.91 AU

Year: 430 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,548,401 km

• M1: 143,016 km (0.092 R)
• M2: 589,715 km (0.075 R)
• M3: 1,229,246 km (0.041 R)
• M4: 1,618,948 km (0.12 R)
• M5: 2,084,646 km (0.049 R)
• M6: 2,463,877 km (0.103 R)
• M7: 3,075,433 km (0.064 R)
• M8: 3,694,319 km (0.115 R)
• M9: 4,242,895 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 14.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.24 AU

Year: 734 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,548,401 km

• M1: 183,257 km (0.097 R)
• M2: 800,498 km (0.054 R)
• M3: 1,267,842 km (0.105 R)
• M4: 1,804,150 km (0.09 R)
• M5: 2,546,006 km (0.107 R)
• M6: 3,507,023 km (0.069 R)
• M7: 4,312,757 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 8.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.52 AU - 2.44 AU

Year: 1771 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,548,401 km

• M1: 108,159 km (0.114 R)
• M2: 405,859 km (0.078 R)
• M3: 679,474 km (0.097 R)
• M4: 1,142,030 km (0.087 R)
• M5: 1,481,318 km (0.116 R)
• M6: 2,127,282 km (0.093 R)
• M7: 2,509,953 km (0.058 R)
• M8: 2,984,627 km (0.065 R)
• M9: 3,759,544 km (0.094 R)
• M10: 5,122,530 km (0.089 R)
• M11: 5,925,123 km (0.089 R)
• M12: 6,645,736 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.7

Radius: 4.9

Gravity: 33.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.33 AU - 9.91 AU

Year: 14712 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,548,401 km

• M1: 60,886 km (0.089 R)
• M2: 251,624 km (0.045 R)
• M3: 447,597 km (0.094 R)
• M4: 614,398 km (0.038 R)
• M5: 783,893 km (0.05 R)
• M6: 962,214 km (0.11 R)
• M7: 1,142,030 km (0.111 R)
• M8: 1,586,186 km (0.057 R)
• M9: 2,003,265 km (0.087 R)
• M10: 2,278,525 km (0.115 R)
• M11: 2,761,577 km (0.063 R)
• M12: 3,988,279 km (0.114 R)
• M13: 4,925,959 km (0.117 R)
• M14: 6,081,752 km (0.086 R)
• M15: 6,283,709 km (0.11 R)
• M16: 7,637,869 km (0.101 R)
• M17: 9,603,585 km (0.085 R)
• M18: 11,388,587 km (0.113 R)
• M19: 11,820,326 km (0.062 R)
• M20: 14,642,490 km (0.112 R)
• M21: 15,902,254 km (0.117 R)
• M22: 18,131,860 km (0.091 R)
• M23: 18,466,511 km (0.089 R)
• M24: 20,561,330 km (0.108 R)
• M25: 20,925,301 km (0.119 R)
• M26: 21,665,960 km (0.09 R)
• M27: 22,712,697 km (0.079 R)
• M28: 27,897,909 km (0.112 R)
• M29: 30,527,390 km (0.112 R)
• M30: 37,071,699 km (0.078 R)
• M31: 37,882,070 km (0.112 R)
• M32: 40,242,426 km (0.088 R)
• M33: 44,340,510 km (0.104 R)
• M34: 45,869,101 km (0.103 R)
• M35: 46,646,262 km (0.058 R)
• M36: 47,908,120 km (0.111 R)
• M37: 50,335,046 km (0.039 R)
• M38: 51,997,826 km (0.085 R)
• M39: 57,924,744 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822

Radius: 3.2

Gravity: 80.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.78 AU - 11.32 AU

Year: 20257 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 160.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,548,401 km

• M1: 40,840 km (0.066 R)
• M2: 187,745 km (0.108 R)
• M3: 616,642 km (0.077 R)
• M4: 968,197 km (0.078 R)
• M5: 1,070,822 km (0.073 R)
• M6: 2,587,445 km (0.098 R)
• M7: 3,504,629 km (0.076 R)
• M8: 4,727,592 km (0.096 R)
• M9: 4,874,796 km (0.061 R)
• M10: 8,182,256 km (0.064 R)
• M11: 12,591,354 km (0.06 R)
• M12: 15,294,138 km (0.057 R)
• M13: 16,191,127 km (0.072 R)
• M14: 16,950,785 km (0.067 R)
• M15: 20,227,278 km (0.082 R)
• M16: 21,306,776 km (0.119 R)
• M17: 27,284,557 km (0.028 R)
• M18: 31,878,558 km (0.095 R)
• M19: 35,820,163 km (0.12 R)
• M20: 38,275,214 km (0.081 R)
• M21: 38,423,016 km (0.119 R)
• M22: 38,719,818 km (0.03 R)
• M23: 42,718,270 km (0.104 R)
• M24: 48,350,331 km (0.104 R)
• M25: 55,965,162 km (0.108 R)
• M26: 57,889,140 km (0.105 R)
• M27: 62,480,299 km (0.072 R)
• M28: 65,813,489 km (0.103 R)
• M29: 66,025,768 km (0.056 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 11,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit