🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 10.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.79 AU - 1.03 AU

Year: 579 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,240,849 km

• M1: 132,544 km (0.072 R)
• M2: 521,049 km (0.082 R)
• M3: 850,913 km (0.103 R)
• M4: 1,311,973 km (0.119 R)
• M5: 1,817,465 km (0.047 R)
• M6: 2,339,860 km (0.094 R)
• M7: 2,730,460 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 14.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.85 AU - 1.25 AU

Year: 717 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 88.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,240,849 km

• M1: 183,407 km (0.084 R)
• M2: 953,088 km (0.104 R)
• M3: 1,534,126 km (0.089 R)
• M4: 2,321,909 km (0.074 R)
• M5: 3,730,073 km (0.102 R)
• M6: 4,253,367 km (0.067 R)
• M7: 4,976,822 km (0.09 R)
• M8: 5,933,052 km (0.111 R)
• M9: 7,335,681 km (0.109 R)
• M10: 7,834,141 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 8.3

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.48 AU - 1.8 AU

Year: 1401 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,240,849 km

• M1: 103,821 km (0.092 R)
• M2: 477,816 km (0.097 R)
• M3: 926,759 km (0.095 R)
• M4: 1,354,758 km (0.101 R)
• M5: 2,442,484 km (0.096 R)
• M6: 4,134,586 km (0.103 R)
• M7: 5,045,338 km (0.109 R)
• M8: 5,362,485 km (0.034 R)
• M9: 5,851,820 km (0.088 R)
• M10: 9,309,924 km (0.098 R)
• M11: 10,149,318 km (0.099 R)
• M12: 12,277,796 km (0.091 R)
• M13: 13,088,318 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.58 AU - 2.48 AU

Year: 1929 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,240,849 km

• M1: 160,369 km (0.112 R)
• M2: 614,997 km (0.079 R)
• M3: 1,197,531 km (0.071 R)
• M4: 1,608,327 km (0.064 R)
• M5: 2,277,478 km (0.118 R)
• M6: 2,907,584 km (0.084 R)
• M7: 3,815,045 km (0.106 R)
• M8: 4,375,887 km (0.114 R)
• M9: 5,148,411 km (0.112 R)
• M10: 5,688,309 km (0.118 R)
• M11: 6,188,266 km (0.075 R)
• M12: 7,248,166 km (0.111 R)
• M13: 9,449,350 km (0.09 R)
• M14: 10,443,876 km (0.038 R)
• M15: 10,890,875 km (0.113 R)
• M16: 11,506,769 km (0.114 R)
• M17: 14,071,026 km (0.088 R)
• M18: 15,319,570 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 13.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.39 AU - 3.11 AU

Year: 3041 Days

Day: 6 Hours

Environment

Temp: -211 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,240,849 km

• M1: 174,581 km (0.069 R)
• M2: 637,137 km (0.069 R)
• M3: 1,165,667 km (0.111 R)
• M4: 1,627,475 km (0.088 R)
• M5: 2,537,180 km (0.077 R)
• M6: 3,351,142 km (0.097 R)
• M7: 3,839,130 km (0.085 R)
• M8: 5,259,712 km (0.109 R)
• M9: 5,795,721 km (0.093 R)
• M10: 6,234,790 km (0.087 R)
• M11: 6,779,925 km (0.103 R)
• M12: 7,687,835 km (0.104 R)
• M13: 8,380,323 km (0.114 R)
• M14: 9,854,012 km (0.091 R)
• M15: 10,980,185 km (0.088 R)
• M16: 14,590,879 km (0.116 R)
• M17: 17,825,484 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 13.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.52 AU - 3.3 AU

Year: 3310 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,240,849 km

• M1: 173,384 km (0.095 R)
• M2: 593,754 km (0.097 R)
• M3: 1,076,805 km (0.033 R)
• M4: 2,053,231 km (0.085 R)
• M5: 2,541,817 km (0.039 R)
• M6: 3,448,680 km (0.112 R)
• M7: 4,497,062 km (0.115 R)
• M8: 5,379,091 km (0.108 R)
• M9: 5,925,721 km (0.049 R)
• M10: 6,454,699 km (0.095 R)
• M11: 6,957,647 km (0.103 R)
• M12: 8,042,531 km (0.109 R)
• M13: 9,271,926 km (0.064 R)
• M14: 9,840,847 km (0.084 R)
• M15: 10,737,986 km (0.053 R)
• M16: 12,018,244 km (0.115 R)
• M17: 13,308,675 km (0.07 R)
• M18: 14,594,619 km (0.111 R)
• M19: 15,267,809 km (0.057 R)
• M20: 16,728,333 km (0.094 R)
• M21: 17,573,112 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.4

Radius: 7.4

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.36 AU - 8.88 AU

Year: 16877 Days

Day: 20.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,240,849 km

• M1: 92,451 km (0.095 R)
• M2: 367,113 km (0.084 R)
• M3: 698,173 km (0.08 R)
• M4: 2,333,128 km (0.083 R)
• M5: 2,626,939 km (0.086 R)
• M6: 3,138,713 km (0.051 R)
• M7: 4,453,529 km (0.06 R)
• M8: 5,908,518 km (0.097 R)
• M9: 6,744,022 km (0.077 R)
• M10: 7,255,497 km (0.094 R)
• M11: 8,117,928 km (0.118 R)
• M12: 8,549,369 km (0.105 R)
• M13: 11,888,543 km (0.11 R)
• M14: 14,427,219 km (0.114 R)
• M15: 15,933,669 km (0.113 R)
• M16: 17,463,307 km (0.111 R)
• M17: 25,365,965 km (0.114 R)
• M18: 28,198,899 km (0.069 R)
• M19: 30,772,880 km (0.111 R)
• M20: 31,821,412 km (0.086 R)
• M21: 32,057,627 km (0.112 R)
• M22: 32,893,430 km (0.063 R)
• M23: 35,488,504 km (0.117 R)
• M24: 39,156,345 km (0.113 R)
• M25: 40,525,315 km (0.053 R)
• M26: 40,942,244 km (0.097 R)
• M27: 43,069,377 km (0.093 R)
• M28: 45,868,203 km (0.088 R)
• M29: 46,169,643 km (0.078 R)
• M30: 50,210,281 km (0.11 R)
• M31: 51,988,551 km (0.1 R)
• M32: 53,975,809 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 10,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit