🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 11.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 5.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,325,052 km

• M1: 139,276 km (0.092 R)
• M2: 500,255 km (0.099 R)
• M3: 1,002,306 km (0.047 R)
• M4: 1,382,733 km (0.114 R)
• M5: 2,110,078 km (0.069 R)
• M6: 2,483,325 km (0.116 R)
• M7: 3,027,263 km (0.093 R)
• M8: 3,397,218 km (0.111 R)
• M9: 4,279,397 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 12.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.97 AU - 1.37 AU

Year: 844 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,325,052 km

• M1: 150,495 km (0.063 R)
• M2: 610,060 km (0.098 R)
• M3: 1,194,389 km (0.102 R)
• M4: 1,635,853 km (0.118 R)
• M5: 2,490,954 km (0.11 R)
• M6: 2,871,980 km (0.098 R)
• M7: 3,827,462 km (0.084 R)
• M8: 4,210,582 km (0.116 R)
• M9: 4,738,961 km (0.119 R)
• M10: 5,292,473 km (0.049 R)
• M11: 5,672,302 km (0.093 R)
• M12: 6,594,274 km (0.11 R)
• M13: 7,926,892 km (0.096 R)
• M14: 8,553,707 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 9.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.58 AU - 2.18 AU

Year: 1719 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,325,052 km

• M1: 119,379 km (0.035 R)
• M2: 692,489 km (0.111 R)
• M3: 1,382,733 km (0.058 R)
• M4: 2,034,531 km (0.086 R)
• M5: 2,394,164 km (0.091 R)
• M6: 3,308,357 km (0.09 R)
• M7: 5,049,377 km (0.035 R)
• M8: 6,168,519 km (0.113 R)
• M9: 7,514,750 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 8.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.88 AU - 2.78 AU

Year: 2372 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,325,052 km

• M1: 104,569 km (0.078 R)
• M2: 436,227 km (0.105 R)
• M3: 879,635 km (0.09 R)
• M4: 1,215,782 km (0.077 R)
• M5: 1,513,182 km (0.056 R)
• M6: 1,836,314 km (0.069 R)
• M7: 2,102,299 km (0.08 R)
• M8: 2,421,990 km (0.071 R)
• M9: 3,366,850 km (0.09 R)
• M10: 4,713,530 km (0.114 R)
• M11: 6,014,283 km (0.105 R)
• M12: 6,414,757 km (0.08 R)
• M13: 7,209,720 km (0.055 R)
• M14: 7,723,439 km (0.044 R)
• M15: 9,306,633 km (0.038 R)
• M16: 9,842,942 km (0.072 R)
• M17: 10,137,201 km (0.119 R)
• M18: 11,535,342 km (0.103 R)
• M19: 12,238,303 km (0.101 R)
• M20: 14,566,494 km (0.104 R)
• M21: 15,143,044 km (0.03 R)
• M22: 17,818,303 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 14

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.04 AU - 3.26 AU

Year: 2877 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,325,052 km

• M1: 175,927 km (0.047 R)
• M2: 665,262 km (0.089 R)
• M3: 1,523,654 km (0.089 R)
• M4: 2,452,507 km (0.046 R)
• M5: 3,384,951 km (0.091 R)
• M6: 3,865,759 km (0.097 R)
• M7: 4,717,868 km (0.112 R)
• M8: 5,296,812 km (0.091 R)
• M9: 6,267,702 km (0.1 R)
• M10: 6,969,017 km (0.085 R)
• M11: 9,643,378 km (0.07 R)
• M12: 11,453,063 km (0.113 R)
• M13: 12,117,876 km (0.12 R)
• M14: 13,163,565 km (0.107 R)
• M15: 14,650,269 km (0.07 R)
• M16: 15,584,508 km (0.051 R)
• M17: 18,288,788 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 9.4

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.34 AU - 3.22 AU

Year: 3091 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,325,052 km

• M1: 116,986 km (0.058 R)
• M2: 869,463 km (0.086 R)
• M3: 1,315,115 km (0.108 R)
• M4: 1,796,970 km (0.029 R)
• M5: 2,393,117 km (0.107 R)
• M6: 2,957,101 km (0.104 R)
• M7: 3,299,082 km (0.104 R)
• M8: 5,115,200 km (0.114 R)
• M9: 6,911,122 km (0.064 R)
• M10: 7,257,591 km (0.106 R)
• M11: 9,586,381 km (0.119 R)
• M12: 10,585,845 km (0.089 R)
• M13: 12,791,067 km (0.103 R)
• M14: 16,258,446 km (0.037 R)
• M15: 23,397,705 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 10.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.94 AU - 6 AU

Year: 8531 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,325,052 km

• M1: 271,670 km (0.107 R)
• M2: 793,467 km (0.104 R)
• M3: 1,378,395 km (0.113 R)
• M4: 2,399,251 km (0.103 R)
• M5: 2,841,312 km (0.113 R)
• M6: 3,507,023 km (0.112 R)
• M7: 5,052,518 km (0.074 R)
• M8: 5,543,499 km (0.057 R)
• M9: 5,888,172 km (0.032 R)
• M10: 16,321,128 km (0.118 R)
• M11: 18,669,216 km (0.118 R)
• M12: 19,844,008 km (0.084 R)
• M13: 24,025,418 km (0.048 R)
• M14: 25,320,038 km (0.119 R)
• M15: 25,793,515 km (0.065 R)
• M16: 26,563,496 km (0.089 R)
• M17: 33,738,060 km (0.111 R)
• M18: 34,196,278 km (0.104 R)
• M19: 36,430,223 km (0.064 R)
• M20: 36,791,502 km (0.053 R)
• M21: 45,361,216 km (0.069 R)
• M22: 47,766,151 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.4

Radius: 6.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.05 AU - 8.37 AU

Year: 14276 Days

Day: 23.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,325,052 km

• M1: 85,271 km (0.109 R)
• M2: 506,688 km (0.113 R)
• M3: 756,217 km (0.097 R)
• M4: 1,067,381 km (0.037 R)
• M5: 1,409,511 km (0.114 R)
• M6: 2,153,312 km (0.12 R)
• M7: 2,682,439 km (0.109 R)
• M8: 2,999,737 km (0.082 R)
• M9: 3,510,464 km (0.104 R)
• M10: 3,890,741 km (0.09 R)
• M11: 4,824,382 km (0.098 R)
• M12: 5,040,251 km (0.1 R)
• M13: 6,363,893 km (0.097 R)
• M14: 6,852,480 km (0.107 R)
• M15: 7,365,750 km (0.111 R)
• M16: 7,652,679 km (0.051 R)
• M17: 8,469,035 km (0.117 R)
• M18: 8,738,460 km (0.102 R)
• M19: 10,528,698 km (0.105 R)
• M20: 10,840,460 km (0.116 R)
• M21: 13,621,634 km (0.108 R)
• M22: 15,143,344 km (0.099 R)
• M23: 16,287,319 km (0.108 R)
• M24: 17,128,956 km (0.079 R)
• M25: 17,632,951 km (0.097 R)
• M26: 18,595,315 km (0.066 R)
• M27: 24,027,064 km (0.119 R)
• M28: 24,932,729 km (0.093 R)
• M29: 26,238,569 km (0.101 R)
• M30: 27,296,226 km (0.03 R)
• M31: 32,136,315 km (0.039 R)
• M32: 32,572,992 km (0.102 R)
• M33: 33,124,110 km (0.09 R)
• M34: 33,569,613 km (0.118 R)
• M35: 38,368,712 km (0.117 R)
• M36: 38,983,560 km (0.114 R)
• M37: 39,355,609 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit