🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 14.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.63 AU - 0.83 AU

Year: 438 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,612,704 km

• M1: 180,415 km (0.099 R)
• M2: 810,072 km (0.062 R)
• M3: 1,430,604 km (0.063 R)
• M4: 1,882,091 km (0.088 R)
• M5: 2,476,443 km (0.071 R)
• M6: 2,990,162 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 14.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.96 AU - 1.1 AU

Year: 735 Days

Day: 13.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,612,704 km

• M1: 181,612 km (0.116 R)
• M2: 677,978 km (0.078 R)
• M3: 1,144,274 km (0.098 R)
• M4: 1,736,682 km (0.038 R)
• M5: 2,255,038 km (0.114 R)
• M6: 2,727,468 km (0.109 R)
• M7: 3,474,261 km (0.109 R)
• M8: 4,082,825 km (0.103 R)
• M9: 4,700,066 km (0.095 R)
• M10: 5,295,017 km (0.102 R)
• M11: 6,012,787 km (0.068 R)
• M12: 6,520,373 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 14.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.24 AU - 1.5 AU

Year: 1127 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,612,704 km

• M1: 195,375 km (0.073 R)
• M2: 720,015 km (0.061 R)
• M3: 1,182,571 km (0.113 R)
• M4: 2,455,799 km (0.103 R)
• M5: 3,727,530 km (0.05 R)
• M6: 4,480,606 km (0.114 R)
• M7: 4,950,792 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 8.9

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.79 AU - 2.25 AU

Year: 2018 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,612,704 km

• M1: 110,702 km (0.031 R)
• M2: 487,091 km (0.107 R)
• M3: 897,288 km (0.069 R)
• M4: 1,531,134 km (0.036 R)
• M5: 1,830,779 km (0.079 R)
• M6: 2,772,946 km (0.1 R)
• M7: 3,122,556 km (0.117 R)
• M8: 3,628,347 km (0.104 R)
• M9: 3,988,728 km (0.119 R)
• M10: 4,961,264 km (0.113 R)
• M11: 5,454,488 km (0.108 R)
• M12: 5,801,256 km (0.091 R)
• M13: 6,511,846 km (0.082 R)
• M14: 6,845,748 km (0.088 R)
• M15: 7,368,144 km (0.091 R)
• M16: 8,297,446 km (0.086 R)
• M17: 9,478,222 km (0.113 R)
• M18: 10,275,579 km (0.083 R)
• M19: 10,576,270 km (0.092 R)
• M20: 11,554,341 km (0.108 R)
• M21: 14,993,895 km (0.109 R)
• M22: 16,125,753 km (0.081 R)
• M23: 16,481,197 km (0.119 R)
• M24: 16,893,938 km (0.085 R)
• M25: 18,173,449 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 14.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.81 AU - 2.53 AU

Year: 2247 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,612,704 km

• M1: 179,218 km (0.099 R)
• M2: 852,708 km (0.068 R)
• M3: 1,604,886 km (0.057 R)
• M4: 2,235,291 km (0.071 R)
• M5: 3,127,493 km (0.058 R)
• M6: 3,619,820 km (0.104 R)
• M7: 4,164,356 km (0.054 R)
• M8: 5,226,052 km (0.113 R)
• M9: 6,162,235 km (0.11 R)
• M10: 6,798,774 km (0.107 R)
• M11: 8,941,465 km (0.071 R)
• M12: 13,265,292 km (0.086 R)
• M13: 13,859,944 km (0.116 R)
• M14: 15,152,170 km (0.078 R)
• M15: 16,160,160 km (0.12 R)
• M16: 17,591,363 km (0.099 R)
• M17: 18,365,981 km (0.085 R)
• M18: 19,105,443 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.9

Radius: 11

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.84 AU - 3.52 AU

Year: 3986 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,612,704 km

• M1: 136,732 km (0.079 R)
• M2: 666,309 km (0.107 R)
• M3: 1,127,370 km (0.083 R)
• M4: 2,054,727 km (0.112 R)
• M5: 2,705,777 km (0.047 R)
• M6: 3,667,392 km (0.08 R)
• M7: 4,106,611 km (0.115 R)
• M8: 4,464,599 km (0.102 R)
• M9: 5,558,458 km (0.088 R)
• M10: 7,890,240 km (0.077 R)
• M11: 9,754,230 km (0.117 R)
• M12: 10,477,236 km (0.102 R)
• M13: 11,365,549 km (0.054 R)
• M14: 11,850,395 km (0.1 R)
• M15: 12,861,827 km (0.096 R)
• M16: 14,846,841 km (0.114 R)
• M17: 18,737,582 km (0.073 R)
• M18: 21,746,893 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.9

Radius: 5

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.46 AU - 9.66 AU

Year: 17604 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,612,704 km

• M1: 62,233 km (0.102 R)
• M2: 236,813 km (0.099 R)
• M3: 445,353 km (0.11 R)
• M4: 671,994 km (0.107 R)
• M5: 861,085 km (0.092 R)
• M6: 1,243,607 km (0.109 R)
• M7: 1,445,415 km (0.102 R)
• M8: 2,223,623 km (0.1 R)
• M9: 2,606,593 km (0.04 R)
• M10: 3,127,643 km (0.117 R)
• M11: 3,425,642 km (0.073 R)
• M12: 3,936,070 km (0.12 R)
• M13: 5,414,845 km (0.09 R)
• M14: 7,060,571 km (0.088 R)
• M15: 7,529,859 km (0.057 R)
• M16: 8,342,176 km (0.109 R)
• M17: 9,311,570 km (0.111 R)
• M18: 9,616,450 km (0.073 R)
• M19: 12,791,366 km (0.055 R)
• M20: 15,872,035 km (0.084 R)
• M21: 21,192,184 km (0.062 R)
• M22: 24,107,098 km (0.081 R)
• M23: 29,287,074 km (0.07 R)
• M24: 30,716,781 km (0.115 R)
• M25: 31,053,227 km (0.112 R)
• M26: 31,278,970 km (0.108 R)
• M27: 34,796,465 km (0.07 R)
• M28: 35,777,228 km (0.089 R)
• M29: 45,883,313 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.2

Radius: 4

Gravity: 20.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.39 AU - 9.11 AU

Year: 18194 Days

Day: 20.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,612,704 km

• M1: 59,540 km (0.082 R)
• M2: 233,522 km (0.1 R)
• M3: 379,231 km (0.036 R)
• M4: 725,849 km (0.101 R)
• M5: 949,498 km (0.1 R)
• M6: 1,230,742 km (0.118 R)
• M7: 1,390,961 km (0.072 R)
• M8: 1,535,024 km (0.117 R)
• M9: 1,786,348 km (0.096 R)
• M10: 4,654,887 km (0.093 R)
• M11: 5,045,637 km (0.08 R)
• M12: 8,044,027 km (0.106 R)
• M13: 9,912,355 km (0.116 R)
• M14: 14,615,263 km (0.063 R)
• M15: 14,959,338 km (0.056 R)
• M16: 15,735,153 km (0.094 R)
• M17: 21,223,600 km (0.079 R)
• M18: 23,962,288 km (0.12 R)
• M19: 25,514,964 km (0.088 R)
• M20: 42,754,024 km (0.114 R)
• M21: 52,826,898 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 15,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit