🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 11.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.31 AU - 1.37 AU

Year: 1034 Days

Day: 14.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,990,449 km

• M1: 140,472 km (0.048 R)
• M2: 508,633 km (0.088 R)
• M3: 926,011 km (0.052 R)
• M4: 1,507,199 km (0.081 R)
• M5: 2,018,374 km (0.093 R)
• M6: 2,473,152 km (0.083 R)
• M7: 2,846,399 km (0.106 R)
• M8: 3,449,577 km (0.07 R)
• M9: 4,362,723 km (0.096 R)
• M10: 5,166,662 km (0.104 R)
• M11: 5,565,190 km (0.109 R)
• M12: 6,004,859 km (0.076 R)
• M13: 6,931,468 km (0.11 R)
• M14: 8,000,644 km (0.07 R)
• M15: 8,587,965 km (0.114 R)
• M16: 9,369,464 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.7

Radius: 13.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.13 AU - 1.79 AU

Year: 1176 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,990,449 km

• M1: 169,195 km (0.071 R)
• M2: 603,627 km (0.067 R)
• M3: 1,049,130 km (0.033 R)
• M4: 1,779,616 km (0.1 R)
• M5: 2,708,320 km (0.062 R)
• M6: 3,797,991 km (0.102 R)
• M7: 4,574,404 km (0.104 R)
• M8: 5,066,880 km (0.048 R)
• M9: 5,514,178 km (0.067 R)
• M10: 6,073,075 km (0.108 R)
• M11: 6,692,560 km (0.107 R)
• M12: 7,160,502 km (0.109 R)
• M13: 8,427,297 km (0.106 R)
• M14: 8,890,601 km (0.095 R)
• M15: 9,370,811 km (0.108 R)
• M16: 10,507,306 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.1

Radius: 11.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.39 AU - 2.23 AU

Year: 1624 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,990,449 km

• M1: 143,016 km (0.095 R)
• M2: 571,763 km (0.088 R)
• M3: 1,143,227 km (0.097 R)
• M4: 1,551,031 km (0.114 R)
• M5: 2,142,391 km (0.087 R)
• M6: 2,534,188 km (0.12 R)
• M7: 2,906,537 km (0.095 R)
• M8: 4,198,165 km (0.105 R)
• M9: 6,173,455 km (0.115 R)
• M10: 6,590,235 km (0.058 R)
• M11: 7,532,402 km (0.113 R)
• M12: 10,800,218 km (0.09 R)
• M13: 11,441,395 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.9

Radius: 8.7

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.79 AU - 1.89 AU

Year: 1664 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 146.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,990,449 km

• M1: 108,458 km (0.061 R)
• M2: 477,816 km (0.068 R)
• M3: 1,037,162 km (0.096 R)
• M4: 1,791,435 km (0.096 R)
• M5: 2,077,615 km (0.039 R)
• M6: 2,660,000 km (0.053 R)
• M7: 3,065,260 km (0.094 R)
• M8: 3,478,001 km (0.037 R)
• M9: 4,018,348 km (0.118 R)
• M10: 4,817,650 km (0.074 R)
• M11: 5,092,162 km (0.12 R)
• M12: 5,765,801 km (0.076 R)
• M13: 6,599,660 km (0.11 R)
• M14: 8,115,535 km (0.102 R)
• M15: 8,813,708 km (0.1 R)
• M16: 10,019,916 km (0.078 R)
• M17: 10,398,847 km (0.103 R)
• M18: 10,787,353 km (0.029 R)
• M19: 12,282,434 km (0.04 R)
• M20: 13,408,008 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 13

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.05 AU - 2.59 AU

Year: 2356 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,990,449 km

• M1: 163,510 km (0.073 R)
• M2: 569,818 km (0.116 R)
• M3: 1,122,283 km (0.042 R)
• M4: 1,629,570 km (0.039 R)
• M5: 2,361,402 km (0.097 R)
• M6: 2,964,431 km (0.063 R)
• M7: 3,938,613 km (0.119 R)
• M8: 8,299,839 km (0.064 R)
• M9: 8,921,119 km (0.098 R)
• M10: 10,491,747 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 13.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.66 AU - 4.06 AU

Year: 5057 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,990,449 km

• M1: 169,195 km (0.103 R)
• M2: 888,013 km (0.102 R)
• M3: 1,312,273 km (0.109 R)
• M4: 1,900,641 km (0.091 R)
• M5: 3,639,267 km (0.053 R)
• M6: 4,639,928 km (0.084 R)
• M7: 5,764,904 km (0.117 R)
• M8: 7,153,471 km (0.116 R)
• M9: 7,862,714 km (0.064 R)
• M10: 9,639,638 km (0.047 R)
• M11: 10,428,468 km (0.106 R)
• M12: 11,546,861 km (0.092 R)
• M13: 13,190,493 km (0.041 R)
• M14: 13,927,263 km (0.078 R)
• M15: 14,936,001 km (0.051 R)
• M16: 18,031,031 km (0.108 R)
• M17: 19,463,132 km (0.115 R)
• M18: 19,996,747 km (0.082 R)

Asteroid Belt

Center: 6.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.8

Radius: 3.9

Gravity: 59.95 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.1 AU - 11.12 AU

Year: 18336 Days

Day: 17.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,990,449 km

• M1: 67,319 km (0.099 R)
• M2: 342,430 km (0.066 R)
• M3: 581,487 km (0.107 R)
• M4: 718,668 km (0.09 R)
• M5: 1,209,499 km (0.063 R)
• M6: 2,266,258 km (0.088 R)
• M7: 2,758,435 km (0.11 R)
• M8: 6,819,120 km (0.111 R)
• M9: 9,054,561 km (0.07 R)
• M10: 9,450,097 km (0.036 R)
• M11: 11,602,661 km (0.114 R)
• M12: 12,410,041 km (0.108 R)
• M13: 16,510,070 km (0.07 R)
• M14: 18,143,679 km (0.102 R)
• M15: 18,411,010 km (0.069 R)
• M16: 22,333,915 km (0.078 R)
• M17: 24,111,736 km (0.087 R)
• M18: 27,125,535 km (0.07 R)
• M19: 30,131,554 km (0.058 R)
• M20: 31,650,122 km (0.114 R)
• M21: 34,839,100 km (0.073 R)
• M22: 40,923,246 km (0.095 R)
• M23: 50,787,280 km (0.114 R)
• M24: 63,956,530 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 11,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit