🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 11.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1 AU - 1.4 AU

Year: 892 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,031,137 km

• M1: 138,079 km (0.085 R)
• M2: 490,681 km (0.109 R)
• M3: 1,313,769 km (0.07 R)
• M4: 1,883,736 km (0.09 R)
• M5: 2,519,976 km (0.114 R)
• M6: 3,130,485 km (0.074 R)
• M7: 3,610,245 km (0.08 R)
• M8: 4,073,999 km (0.075 R)
• M9: 5,688,908 km (0.113 R)
• M10: 6,275,631 km (0.041 R)
• M11: 6,810,443 km (0.077 R)
• M12: 7,819,331 km (0.095 R)
• M13: 9,287,634 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.5

Radius: 8.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.3 AU - 1.3 AU

Year: 1005 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,031,137 km

• M1: 103,522 km (0.095 R)
• M2: 556,504 km (0.117 R)
• M3: 885,320 km (0.06 R)
• M4: 1,963,322 km (0.09 R)
• M5: 2,380,551 km (0.093 R)
• M6: 3,801,880 km (0.09 R)
• M7: 5,679,184 km (0.089 R)
• M8: 7,028,108 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 8.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.96 AU - 2.68 AU

Year: 2397 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,031,137 km

• M1: 109,655 km (0.059 R)
• M2: 387,458 km (0.085 R)
• M3: 763,697 km (0.092 R)
• M4: 1,854,565 km (0.051 R)
• M5: 2,290,643 km (0.11 R)
• M6: 2,579,666 km (0.083 R)
• M7: 3,369,393 km (0.084 R)
• M8: 4,037,347 km (0.117 R)
• M9: 4,361,376 km (0.085 R)
• M10: 5,229,493 km (0.073 R)
• M11: 7,447,281 km (0.119 R)
• M12: 8,498,805 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.1

Radius: 13.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.3 AU - 4.04 AU

Year: 4769 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,031,137 km

• M1: 179,517 km (0.111 R)
• M2: 625,768 km (0.051 R)
• M3: 1,060,499 km (0.117 R)
• M4: 1,777,372 km (0.117 R)
• M5: 2,259,676 km (0.119 R)
• M6: 3,030,703 km (0.117 R)
• M7: 3,478,749 km (0.088 R)
• M8: 4,588,316 km (0.116 R)
• M9: 7,120,709 km (0.096 R)
• M10: 8,327,066 km (0.072 R)
• M11: 10,334,670 km (0.114 R)
• M12: 11,396,665 km (0.102 R)
• M13: 13,778,712 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 11.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.99 AU - 4.49 AU

Year: 4906 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,031,137 km

• M1: 143,016 km (0.097 R)
• M2: 524,341 km (0.107 R)
• M3: 953,387 km (0.07 R)
• M4: 1,515,277 km (0.069 R)
• M5: 1,880,894 km (0.103 R)
• M6: 2,402,243 km (0.108 R)
• M7: 2,850,587 km (0.079 R)
• M8: 3,585,412 km (0.084 R)
• M9: 3,963,446 km (0.081 R)
• M10: 6,560,914 km (0.097 R)
• M11: 7,658,962 km (0.05 R)
• M12: 8,521,095 km (0.077 R)
• M13: 11,592,937 km (0.111 R)
• M14: 16,339,977 km (0.071 R)
• M15: 18,022,953 km (0.108 R)
• M16: 18,412,057 km (0.105 R)
• M17: 19,477,344 km (0.12 R)
• M18: 20,724,391 km (0.096 R)
• M19: 21,223,450 km (0.053 R)
• M20: 23,147,578 km (0.114 R)
• M21: 26,000,260 km (0.099 R)
• M22: 26,497,523 km (0.077 R)
• M23: 27,255,236 km (0.096 R)
• M24: 28,375,275 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577

Radius: 5.1

Gravity: 22.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.89 AU - 7.77 AU

Year: 12107 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,031,137 km

• M1: 63,429 km (0.104 R)
• M2: 905,067 km (0.09 R)
• M3: 1,535,024 km (0.096 R)
• M4: 1,778,120 km (0.076 R)
• M5: 1,959,882 km (0.117 R)
• M6: 2,728,665 km (0.088 R)
• M7: 4,261,744 km (0.087 R)
• M8: 8,890,751 km (0.104 R)
• M9: 9,524,597 km (0.099 R)
• M10: 9,929,259 km (0.048 R)
• M11: 25,097,436 km (0.107 R)
• M12: 25,868,763 km (0.093 R)
• M13: 26,854,763 km (0.087 R)
• M14: 38,510,681 km (0.111 R)
• M15: 39,665,277 km (0.098 R)
• M16: 42,720,514 km (0.037 R)
• M17: 47,665,023 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.3

Radius: 7

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.81 AU - 10.35 AU

Year: 17046 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,031,137 km

• M1: 87,066 km (0.105 R)
• M2: 399,726 km (0.06 R)
• M3: 1,154,896 km (0.118 R)
• M4: 5,898,046 km (0.032 R)
• M5: 7,289,156 km (0.077 R)
• M6: 7,517,592 km (0.076 R)
• M7: 11,482,833 km (0.082 R)
• M8: 13,699,575 km (0.114 R)
• M9: 15,803,369 km (0.118 R)
• M10: 18,448,858 km (0.076 R)
• M11: 19,218,539 km (0.101 R)
• M12: 19,479,887 km (0.101 R)
• M13: 21,939,126 km (0.101 R)
• M14: 26,700,976 km (0.069 R)
• M15: 33,597,887 km (0.106 R)
• M16: 34,615,750 km (0.101 R)
• M17: 38,616,596 km (0.089 R)
• M18: 46,262,842 km (0.077 R)
• M19: 51,269,584 km (0.095 R)
• M20: 56,269,593 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 18,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit