🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 14.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.82 AU

Year: 403 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,985,940 km

• M1: 182,509 km (0.098 R)
• M2: 688,300 km (0.092 R)
• M3: 1,146,518 km (0.103 R)
• M4: 1,880,445 km (0.099 R)
• M5: 2,558,872 km (0.117 R)
• M6: 3,362,960 km (0.072 R)
• M7: 3,958,808 km (0.053 R)
• M8: 4,843,231 km (0.088 R)
• M9: 5,557,710 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 9.5

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.67 AU - 0.93 AU

Year: 503 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,985,940 km

• M1: 118,332 km (0.066 R)
• M2: 469,438 km (0.118 R)
• M3: 820,544 km (0.115 R)
• M4: 1,222,663 km (0.114 R)
• M5: 1,912,310 km (0.099 R)
• M6: 2,474,050 km (0.046 R)
• M7: 3,176,711 km (0.096 R)
• M8: 3,525,124 km (0.119 R)
• M9: 4,666,406 km (0.119 R)
• M10: 5,363,383 km (0.041 R)
• M11: 5,948,161 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 11.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.75 AU - 0.95 AU

Year: 551 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,985,940 km

• M1: 160,070 km (0.077 R)
• M2: 754,123 km (0.089 R)
• M3: 1,195,137 km (0.083 R)
• M4: 1,573,470 km (0.104 R)
• M5: 1,996,832 km (0.053 R)
• M6: 2,462,830 km (0.1 R)
• M7: 3,207,528 km (0.117 R)
• M8: 3,573,295 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.4

Radius: 12.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.11 AU - 1.25 AU

Year: 901 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,985,940 km

• M1: 160,519 km (0.092 R)
• M2: 626,516 km (0.093 R)
• M3: 1,064,688 km (0.115 R)
• M4: 2,231,252 km (0.098 R)
• M5: 2,681,542 km (0.116 R)
• M6: 3,126,895 km (0.099 R)
• M7: 3,858,428 km (0.086 R)
• M8: 4,396,532 km (0.067 R)
• M9: 5,204,211 km (0.073 R)
• M10: 6,425,229 km (0.034 R)
• M11: 6,864,747 km (0.066 R)
• M12: 7,633,979 km (0.119 R)
• M13: 8,935,182 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 11.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 959 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,985,940 km

• M1: 140,622 km (0.083 R)
• M2: 515,365 km (0.117 R)
• M3: 1,019,360 km (0.075 R)
• M4: 1,529,339 km (0.087 R)
• M5: 1,929,065 km (0.091 R)
• M6: 2,545,109 km (0.036 R)
• M7: 3,220,244 km (0.067 R)
• M8: 4,074,597 km (0.117 R)
• M9: 4,836,798 km (0.1 R)
• M10: 7,408,386 km (0.071 R)
• M11: 7,924,498 km (0.074 R)
• M12: 9,560,650 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 13.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.14 AU - 4.06 AU

Year: 4801 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,985,940 km

• M1: 164,408 km (0.099 R)
• M2: 617,690 km (0.069 R)
• M3: 1,473,389 km (0.115 R)
• M4: 1,907,074 km (0.112 R)
• M5: 2,504,717 km (0.051 R)
• M6: 2,988,517 km (0.105 R)
• M7: 3,534,549 km (0.085 R)
• M8: 4,633,644 km (0.118 R)
• M9: 5,055,660 km (0.119 R)
• M10: 5,612,613 km (0.042 R)
• M11: 6,388,577 km (0.105 R)
• M12: 7,333,587 km (0.111 R)
• M13: 8,261,842 km (0.116 R)
• M14: 10,103,691 km (0.119 R)
• M15: 11,519,784 km (0.089 R)
• M16: 13,810,427 km (0.117 R)
• M17: 18,156,544 km (0.065 R)
• M18: 18,897,652 km (0.12 R)
• M19: 19,402,844 km (0.117 R)
• M20: 19,981,937 km (0.092 R)
• M21: 21,039,893 km (0.089 R)
• M22: 22,204,513 km (0.097 R)
• M23: 23,629,133 km (0.055 R)
• M24: 24,068,203 km (0.078 R)
• M25: 25,724,999 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.7

Radius: 10

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.07 AU - 5.35 AU

Year: 7185 Days

Day: 7.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,985,940 km

• M1: 126,410 km (0.059 R)
• M2: 563,086 km (0.113 R)
• M3: 1,108,670 km (0.112 R)
• M4: 1,437,037 km (0.053 R)
• M5: 1,831,228 km (0.104 R)
• M6: 2,314,877 km (0.091 R)
• M7: 3,090,991 km (0.076 R)
• M8: 4,083,274 km (0.113 R)
• M9: 4,883,922 km (0.105 R)
• M10: 6,053,328 km (0.087 R)
• M11: 6,685,529 km (0.091 R)
• M12: 7,517,293 km (0.097 R)
• M13: 7,917,617 km (0.066 R)
• M14: 9,523,849 km (0.06 R)
• M15: 10,136,602 km (0.089 R)
• M16: 11,028,355 km (0.074 R)
• M17: 12,573,701 km (0.113 R)
• M18: 13,898,241 km (0.114 R)
• M19: 14,441,131 km (0.12 R)
• M20: 17,026,631 km (0.081 R)
• M21: 17,858,994 km (0.096 R)
• M22: 21,301,989 km (0.099 R)
• M23: 22,928,267 km (0.106 R)
• M24: 26,426,464 km (0.073 R)
• M25: 28,494,505 km (0.106 R)
• M26: 29,568,019 km (0.117 R)
• M27: 30,064,834 km (0.113 R)
• M28: 33,056,791 km (0.061 R)
• M29: 40,839,620 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 6.3

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.09 AU - 6.22 AU

Year: 9440 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,985,940 km

• M1: 81,980 km (0.113 R)
• M2: 358,736 km (0.079 R)
• M3: 627,713 km (0.077 R)
• M4: 991,834 km (0.119 R)
• M5: 1,539,512 km (0.088 R)
• M6: 1,984,865 km (0.027 R)
• M7: 2,205,222 km (0.057 R)
• M8: 2,459,539 km (0.074 R)
• M9: 3,277,689 km (0.076 R)
• M10: 4,472,827 km (0.06 R)
• M11: 5,227,099 km (0.102 R)
• M12: 5,838,207 km (0.113 R)
• M13: 6,737,439 km (0.116 R)
• M14: 8,723,650 km (0.076 R)
• M15: 10,542,162 km (0.105 R)
• M16: 11,315,733 km (0.104 R)
• M17: 12,230,673 km (0.115 R)
• M18: 13,581,691 km (0.085 R)
• M19: 15,636,269 km (0.113 R)
• M20: 16,705,295 km (0.108 R)
• M21: 17,224,848 km (0.091 R)
• M22: 17,555,011 km (0.09 R)
• M23: 19,553,788 km (0.071 R)
• M24: 19,840,866 km (0.045 R)
• M25: 20,497,152 km (0.078 R)
• M26: 24,492,014 km (0.08 R)
• M27: 24,741,992 km (0.072 R)
• M28: 26,190,698 km (0.111 R)
• M29: 27,157,698 km (0.089 R)
• M30: 27,966,424 km (0.118 R)
• M31: 28,606,554 km (0.043 R)
• M32: 29,443,703 km (0.09 R)
• M33: 32,552,796 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.6

Radius: 3.6

Gravity: 53.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.85 AU - 10.47 AU

Year: 19487 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 167.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,985,940 km

• M1: 92,451 km (0.119 R)
• M2: 263,891 km (0.078 R)
• M3: 439,519 km (0.089 R)
• M4: 609,013 km (0.073 R)
• M5: 853,605 km (0.108 R)
• M6: 1,093,710 km (0.029 R)
• M7: 1,569,581 km (0.079 R)
• M8: 1,872,517 km (0.038 R)
• M9: 2,500,379 km (0.101 R)
• M10: 3,629,394 km (0.117 R)
• M11: 7,339,272 km (0.111 R)
• M12: 9,189,348 km (0.066 R)
• M13: 9,639,040 km (0.077 R)
• M14: 12,649,547 km (0.063 R)
• M15: 12,787,177 km (0.096 R)
• M16: 12,925,555 km (0.086 R)
• M17: 14,818,417 km (0.1 R)
• M18: 18,253,334 km (0.097 R)
• M19: 22,888,474 km (0.104 R)
• M20: 25,311,511 km (0.078 R)
• M21: 28,016,390 km (0.043 R)
• M22: 29,680,068 km (0.098 R)
• M23: 30,167,159 km (0.043 R)
• M24: 31,660,594 km (0.074 R)
• M25: 36,158,254 km (0.097 R)
• M26: 36,993,758 km (0.094 R)
• M27: 37,416,223 km (0.079 R)
• M28: 38,703,213 km (0.045 R)
• M29: 42,432,239 km (0.034 R)
• M30: 43,831,129 km (0.091 R)
• M31: 47,878,051 km (0.081 R)
• M32: 51,115,049 km (0.104 R)
• M33: 51,814,718 km (0.067 R)
• M34: 69,078,163 km (0.068 R)
• M35: 71,011,566 km (0.099 R)
• M36: 73,867,389 km (0.109 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: 354 - 19,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit