🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.5

Radius: 13.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.54 AU - 0.82 AU

Year: 380 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,598,059 km

• M1: 166,652 km (0.088 R)
• M2: 631,453 km (0.067 R)
• M3: 1,339,649 km (0.094 R)
• M4: 1,789,041 km (0.045 R)
• M5: 2,575,028 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 11.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.67 AU - 1.01 AU

Year: 522 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,598,059 km

• M1: 140,472 km (0.094 R)
• M2: 492,327 km (0.103 R)
• M3: 857,495 km (0.041 R)
• M4: 1,233,734 km (0.072 R)
• M5: 1,589,029 km (0.104 R)
• M6: 2,408,526 km (0.107 R)
• M7: 2,974,754 km (0.09 R)
• M8: 3,890,741 km (0.109 R)
• M9: 4,687,350 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 8.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.07 AU - 1.49 AU

Year: 982 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,598,059 km

• M1: 103,223 km (0.028 R)
• M2: 429,346 km (0.116 R)
• M3: 854,802 km (0.119 R)
• M4: 1,344,885 km (0.097 R)
• M5: 1,662,631 km (0.12 R)
• M6: 2,058,018 km (0.118 R)
• M7: 3,417,563 km (0.034 R)
• M8: 3,928,440 km (0.049 R)
• M9: 4,410,444 km (0.077 R)
• M10: 4,948,249 km (0.102 R)
• M11: 5,224,406 km (0.083 R)
• M12: 5,732,590 km (0.092 R)
• M13: 6,313,030 km (0.052 R)
• M14: 7,411,527 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 14.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.26 AU - 2.52 AU

Year: 2506 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,598,059 km

• M1: 185,352 km (0.098 R)
• M2: 677,529 km (0.094 R)
• M3: 1,496,577 km (0.118 R)
• M4: 1,963,921 km (0.079 R)
• M5: 2,693,210 km (0.057 R)
• M6: 3,580,176 km (0.071 R)
• M7: 4,267,728 km (0.055 R)
• M8: 4,811,816 km (0.1 R)
• M9: 5,353,360 km (0.092 R)
• M10: 5,883,235 km (0.106 R)
• M11: 7,078,672 km (0.1 R)
• M12: 8,837,345 km (0.119 R)
• M13: 10,832,531 km (0.118 R)
• M14: 11,395,618 km (0.034 R)
• M15: 12,406,451 km (0.091 R)
• M16: 13,706,755 km (0.029 R)
• M17: 14,270,739 km (0.111 R)
• M18: 14,801,363 km (0.114 R)
• M19: 18,042,550 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 12.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.25 AU - 3.71 AU

Year: 3489 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,598,059 km

• M1: 160,369 km (0.084 R)
• M2: 563,236 km (0.041 R)
• M3: 1,077,404 km (0.08 R)
• M4: 1,867,580 km (0.083 R)
• M5: 2,310,539 km (0.105 R)
• M6: 2,810,794 km (0.072 R)
• M7: 4,136,531 km (0.069 R)
• M8: 4,686,452 km (0.109 R)
• M9: 5,452,693 km (0.107 R)
• M10: 7,031,250 km (0.099 R)
• M11: 12,768,178 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 9.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.96 AU - 3.06 AU

Year: 3542 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,598,059 km

• M1: 115,789 km (0.058 R)
• M2: 440,416 km (0.049 R)
• M3: 943,813 km (0.103 R)
• M4: 1,264,551 km (0.102 R)
• M5: 2,245,015 km (0.099 R)
• M6: 3,684,596 km (0.105 R)
• M7: 4,105,863 km (0.078 R)
• M8: 4,893,795 km (0.059 R)
• M9: 7,344,358 km (0.101 R)
• M10: 9,473,136 km (0.101 R)
• M11: 11,027,757 km (0.101 R)
• M12: 12,786,728 km (0.113 R)
• M13: 13,884,328 km (0.101 R)
• M14: 14,861,052 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.8

Radius: 5.7

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.37 AU - 12.91 AU

Year: 23540 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,598,059 km

• M1: 109,057 km (0.102 R)
• M2: 290,369 km (0.06 R)
• M3: 599,738 km (0.12 R)
• M4: 866,770 km (0.106 R)
• M5: 2,237,087 km (0.069 R)
• M6: 2,756,939 km (0.118 R)
• M7: 3,353,835 km (0.034 R)
• M8: 4,763,645 km (0.095 R)
• M9: 6,665,632 km (0.111 R)
• M10: 7,283,472 km (0.112 R)
• M11: 8,042,980 km (0.055 R)
• M12: 8,469,035 km (0.085 R)
• M13: 8,910,049 km (0.115 R)
• M14: 13,443,912 km (0.072 R)
• M15: 13,967,654 km (0.109 R)
• M16: 18,475,935 km (0.117 R)
• M17: 21,762,451 km (0.104 R)
• M18: 24,193,865 km (0.119 R)
• M19: 24,968,483 km (0.067 R)
• M20: 25,305,377 km (0.076 R)
• M21: 26,566,936 km (0.12 R)
• M22: 31,377,256 km (0.061 R)
• M23: 35,450,058 km (0.11 R)
• M24: 38,501,705 km (0.084 R)
• M25: 44,625,194 km (0.115 R)
• M26: 48,699,044 km (0.03 R)
• M27: 52,277,574 km (0.098 R)
• M28: 53,198,798 km (0.044 R)
• M29: 60,962,179 km (0.09 R)
• M30: 68,346,031 km (0.081 R)
• M31: 70,336,580 km (0.111 R)
• M32: 72,365,576 km (0.082 R)
• M33: 74,201,591 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 16,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit