🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.3

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 150.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,977,559 km

• M1: 186,549 km (0.069 R)
• M2: 703,559 km (0.079 R)
• M3: 1,376,001 km (0.097 R)
• M4: 2,001,171 km (0.111 R)
• M5: 2,484,671 km (0.067 R)
• M6: 3,018,586 km (0.096 R)
• M7: 3,575,539 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 14.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.51 AU - 0.83 AU

Year: 366 Days

Day: 7.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,977,559 km

• M1: 184,155 km (0.087 R)
• M2: 659,876 km (0.053 R)
• M3: 1,433,746 km (0.113 R)
• M4: 1,904,381 km (0.106 R)
• M5: 2,365,890 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 14.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.61 AU - 0.81 AU

Year: 399 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,977,559 km

• M1: 184,005 km (0.113 R)
• M2: 694,882 km (0.084 R)
• M3: 1,291,478 km (0.073 R)
• M4: 1,986,510 km (0.117 R)
• M5: 2,453,555 km (0.055 R)
• M6: 2,914,316 km (0.104 R)
• M7: 4,689,444 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 10.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.82 AU - 1.06 AU

Year: 608 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,977,559 km

• M1: 134,339 km (0.073 R)
• M2: 978,968 km (0.085 R)
• M3: 1,331,870 km (0.047 R)
• M4: 1,983,069 km (0.09 R)
• M5: 2,835,628 km (0.088 R)
• M6: 3,501,937 km (0.069 R)
• M7: 4,544,484 km (0.073 R)
• M8: 4,934,785 km (0.052 R)
• M9: 5,284,694 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 13.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.98 AU - 3.1 AU

Year: 3535 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,977,559 km

• M1: 171,589 km (0.096 R)
• M2: 685,308 km (0.074 R)
• M3: 1,161,927 km (0.08 R)
• M4: 2,008,651 km (0.115 R)
• M5: 2,555,281 km (0.08 R)
• M6: 3,073,937 km (0.102 R)
• M7: 3,582,869 km (0.12 R)
• M8: 4,604,622 km (0.069 R)
• M9: 6,009,197 km (0.032 R)
• M10: 8,591,705 km (0.079 R)
• M11: 10,007,200 km (0.101 R)
• M12: 11,134,719 km (0.111 R)
• M13: 11,977,703 km (0.047 R)
• M14: 12,910,446 km (0.116 R)
• M15: 13,741,013 km (0.106 R)
• M16: 15,946,086 km (0.096 R)
• M17: 21,855,501 km (0.077 R)
• M18: 22,824,147 km (0.116 R)
• M19: 23,893,622 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 8.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.46 AU - 3.98 AU

Year: 3853 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,977,559 km

• M1: 100,679 km (0.119 R)
• M2: 386,411 km (0.104 R)
• M3: 777,909 km (0.111 R)
• M4: 1,579,006 km (0.111 R)
• M5: 2,310,988 km (0.115 R)
• M6: 3,173,719 km (0.054 R)
• M7: 3,593,640 km (0.086 R)
• M8: 6,054,375 km (0.057 R)
• M9: 11,738,197 km (0.112 R)
• M10: 13,144,267 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 8

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.22 AU - 3.82 AU

Year: 4404 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,977,559 km

• M1: 99,632 km (0.082 R)
• M2: 387,458 km (0.103 R)
• M3: 768,484 km (0.033 R)
• M4: 1,432,998 km (0.1 R)
• M5: 2,149,123 km (0.107 R)
• M6: 2,435,005 km (0.118 R)
• M7: 3,177,758 km (0.117 R)
• M8: 3,974,666 km (0.034 R)
• M9: 4,797,454 km (0.102 R)
• M10: 5,672,901 km (0.056 R)
• M11: 7,196,555 km (0.102 R)
• M12: 7,633,830 km (0.064 R)
• M13: 8,747,885 km (0.107 R)
• M14: 9,762,757 km (0.101 R)
• M15: 10,173,403 km (0.041 R)
• M16: 12,592,550 km (0.083 R)
• M17: 15,206,923 km (0.052 R)
• M18: 15,481,136 km (0.067 R)
• M19: 15,814,739 km (0.109 R)
• M20: 16,153,129 km (0.118 R)
• M21: 16,553,902 km (0.04 R)
• M22: 17,256,563 km (0.048 R)
• M23: 17,675,437 km (0.047 R)
• M24: 19,872,731 km (0.104 R)
• M25: 23,318,418 km (0.118 R)
• M26: 24,650,438 km (0.056 R)
• M27: 25,335,297 km (0.118 R)
• M28: 26,189,351 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.1

Radius: 4.1

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.9 AU - 6.98 AU

Year: 10898 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,977,559 km

• M1: 51,013 km (0.109 R)
• M2: 213,626 km (0.118 R)
• M3: 859,440 km (0.033 R)
• M4: 1,423,723 km (0.104 R)
• M5: 2,583,555 km (0.109 R)
• M6: 3,677,116 km (0.11 R)
• M7: 3,986,484 km (0.091 R)
• M8: 4,549,122 km (0.096 R)
• M9: 8,993,824 km (0.106 R)
• M10: 12,341,525 km (0.111 R)
• M11: 17,534,067 km (0.085 R)
• M12: 18,750,298 km (0.1 R)
• M13: 21,123,967 km (0.09 R)
• M14: 22,266,297 km (0.118 R)
• M15: 22,577,610 km (0.09 R)
• M16: 23,771,401 km (0.089 R)
• M17: 27,070,931 km (0.075 R)
• M18: 34,456,279 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 19,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit