🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 8.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 672 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,307,552 km

• M1: 105,766 km (0.062 R)
• M2: 626,366 km (0.109 R)
• M3: 985,700 km (0.077 R)
• M4: 1,287,589 km (0.074 R)
• M5: 2,194,601 km (0.103 R)
• M6: 2,465,523 km (0.066 R)
• M7: 2,820,369 km (0.075 R)
• M8: 3,488,024 km (0.055 R)
• M9: 4,175,277 km (0.103 R)
• M10: 4,594,599 km (0.109 R)
• M11: 5,228,446 km (0.083 R)
• M12: 5,583,142 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 8.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.94 AU - 3 AU

Year: 3598 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,307,552 km

• M1: 109,506 km (0.043 R)
• M2: 561,291 km (0.109 R)
• M3: 940,073 km (0.074 R)
• M4: 1,507,498 km (0.063 R)
• M5: 2,792,244 km (0.115 R)
• M6: 3,071,244 km (0.107 R)
• M7: 3,590,798 km (0.109 R)
• M8: 4,209,684 km (0.116 R)
• M9: 4,511,573 km (0.118 R)
• M10: 6,190,659 km (0.092 R)
• M11: 8,655,733 km (0.079 R)
• M12: 10,968,665 km (0.062 R)
• M13: 11,710,671 km (0.111 R)
• M14: 13,900,185 km (0.053 R)
• M15: 14,378,450 km (0.098 R)
• M16: 15,116,416 km (0.092 R)
• M17: 18,265,451 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 12.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.77 AU - 4.11 AU

Year: 5497 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 87 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,307,552 km

• M1: 161,715 km (0.049 R)
• M2: 696,528 km (0.115 R)
• M3: 1,120,937 km (0.109 R)
• M4: 1,877,603 km (0.072 R)
• M5: 2,987,320 km (0.041 R)
• M6: 3,736,506 km (0.11 R)
• M7: 4,339,385 km (0.085 R)
• M8: 6,931,318 km (0.036 R)
• M9: 8,416,825 km (0.11 R)
• M10: 9,834,564 km (0.105 R)
• M11: 13,420,275 km (0.11 R)
• M12: 17,400,925 km (0.037 R)
• M13: 19,936,011 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.3

Radius: 4.2

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7 AU - 9.46 AU

Year: 16596 Days

Day: 19.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,307,552 km

• M1: 52,210 km (0.069 R)
• M2: 200,910 km (0.103 R)
• M3: 448,046 km (0.095 R)
• M4: 924,515 km (0.095 R)
• M5: 1,854,415 km (0.08 R)
• M6: 2,007,603 km (0.089 R)
• M7: 3,027,113 km (0.117 R)
• M8: 3,964,194 km (0.09 R)
• M9: 4,115,886 km (0.114 R)
• M10: 4,790,423 km (0.117 R)
• M11: 5,319,700 km (0.085 R)
• M12: 5,725,410 km (0.092 R)
• M13: 6,185,274 km (0.082 R)
• M14: 6,424,181 km (0.106 R)
• M15: 7,066,854 km (0.102 R)
• M16: 7,215,255 km (0.11 R)
• M17: 7,909,239 km (0.105 R)
• M18: 8,272,463 km (0.095 R)
• M19: 8,688,944 km (0.04 R)
• M20: 9,608,821 km (0.086 R)
• M21: 10,352,023 km (0.088 R)
• M22: 12,755,612 km (0.086 R)
• M23: 15,884,302 km (0.12 R)
• M24: 20,524,379 km (0.107 R)
• M25: 21,440,965 km (0.091 R)
• M26: 22,066,883 km (0.078 R)
• M27: 27,155,305 km (0.096 R)
• M28: 29,105,911 km (0.063 R)
• M29: 31,950,515 km (0.117 R)
• M30: 33,806,276 km (0.056 R)
• M31: 35,298,216 km (0.059 R)
• M32: 35,841,705 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590

Radius: 4.4

Gravity: 30.48 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.71 AU - 10.65 AU

Year: 19551 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,307,552 km

• M1: 54,753 km (0.047 R)
• M2: 200,611 km (0.119 R)
• M3: 463,305 km (0.045 R)
• M4: 733,628 km (0.092 R)
• M5: 1,064,538 km (0.072 R)
• M6: 1,441,675 km (0.105 R)
• M7: 2,036,775 km (0.115 R)
• M8: 2,781,772 km (0.079 R)
• M9: 3,324,065 km (0.103 R)
• M10: 3,842,272 km (0.084 R)
• M11: 5,409,459 km (0.053 R)
• M12: 6,634,666 km (0.092 R)
• M13: 7,452,368 km (0.113 R)
• M14: 8,749,231 km (0.097 R)
• M15: 22,261,809 km (0.09 R)
• M16: 23,360,306 km (0.082 R)
• M17: 23,974,405 km (0.114 R)
• M18: 24,704,592 km (0.092 R)
• M19: 29,398,824 km (0.096 R)
• M20: 35,452,601 km (0.063 R)
• M21: 39,918,995 km (0.076 R)
• M22: 43,658,643 km (0.064 R)
• M23: 46,491,278 km (0.058 R)
• M24: 51,308,479 km (0.113 R)
• M25: 52,868,635 km (0.092 R)
• M26: 57,367,492 km (0.084 R)
• M27: 57,923,847 km (0.09 R)
• M28: 69,400,995 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 17,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit