🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 8.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.08 AU - 1.46 AU

Year: 924 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,410,060 km

• M1: 127,906 km (0.076 R)
• M2: 569,818 km (0.059 R)
• M3: 979,716 km (0.073 R)
• M4: 1,694,046 km (0.114 R)
• M5: 2,785,512 km (0.069 R)
• M6: 3,488,174 km (0.106 R)
• M7: 5,914,801 km (0.086 R)
• M8: 6,906,335 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 12.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.8 AU - 2.8 AU

Year: 2252 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,410,060 km

• M1: 283,488 km (0.078 R)
• M2: 964,607 km (0.115 R)
• M3: 1,493,735 km (0.085 R)
• M4: 2,276,281 km (0.099 R)
• M5: 2,712,658 km (0.065 R)
• M6: 3,301,027 km (0.118 R)
• M7: 4,010,270 km (0.088 R)
• M8: 4,694,082 km (0.099 R)
• M9: 6,295,527 km (0.1 R)
• M10: 7,110,985 km (0.048 R)
• M11: 7,877,375 km (0.103 R)
• M12: 8,296,249 km (0.066 R)
• M13: 9,575,461 km (0.05 R)
• M14: 10,474,993 km (0.094 R)
• M15: 12,203,446 km (0.114 R)
• M16: 13,386,616 km (0.112 R)
• M17: 15,326,003 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.4

Radius: 11.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.18 AU - 5.92 AU

Year: 8442 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,410,060 km

• M1: 146,157 km (0.103 R)
• M2: 635,193 km (0.1 R)
• M3: 1,299,706 km (0.107 R)
• M4: 4,589,513 km (0.063 R)
• M5: 5,579,253 km (0.098 R)
• M6: 10,229,353 km (0.09 R)
• M7: 12,301,283 km (0.103 R)
• M8: 12,933,035 km (0.111 R)
• M9: 20,255,851 km (0.088 R)
• M10: 20,974,968 km (0.09 R)
• M11: 22,549,336 km (0.103 R)
• M12: 26,400,733 km (0.096 R)
• M13: 32,586,455 km (0.042 R)
• M14: 42,463,804 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.2

Radius: 4.1

Gravity: 55.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.55 AU - 6.71 AU

Year: 9800 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,410,060 km

• M1: 77,791 km (0.089 R)
• M2: 217,067 km (0.044 R)
• M3: 403,914 km (0.076 R)
• M4: 615,296 km (0.075 R)
• M5: 928,105 km (0.107 R)
• M6: 1,091,466 km (0.025 R)
• M7: 1,748,051 km (0.112 R)
• M8: 4,121,122 km (0.068 R)
• M9: 4,626,913 km (0.095 R)
• M10: 5,206,305 km (0.084 R)
• M11: 6,625,241 km (0.107 R)
• M12: 7,026,762 km (0.091 R)
• M13: 9,281,351 km (0.103 R)
• M14: 9,989,847 km (0.101 R)
• M15: 10,517,478 km (0.056 R)
• M16: 12,330,604 km (0.082 R)
• M17: 12,814,554 km (0.116 R)
• M18: 15,286,958 km (0.09 R)
• M19: 15,845,257 km (0.05 R)
• M20: 16,781,141 km (0.059 R)
• M21: 17,982,861 km (0.103 R)
• M22: 20,221,892 km (0.102 R)
• M23: 24,104,705 km (0.116 R)
• M24: 25,631,501 km (0.108 R)
• M25: 29,728,089 km (0.109 R)
• M26: 30,160,277 km (0.098 R)
• M27: 31,481,974 km (0.11 R)
• M28: 36,411,673 km (0.033 R)
• M29: 41,427,690 km (0.119 R)
• M30: 41,562,028 km (0.115 R)
• M31: 44,732,755 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.7

Radius: 7.4

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.25 AU - 9.43 AU

Year: 18430 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,410,060 km

• M1: 92,451 km (0.075 R)
• M2: 375,640 km (0.108 R)
• M3: 656,435 km (0.088 R)
• M4: 2,234,992 km (0.12 R)
• M5: 3,195,560 km (0.105 R)
• M6: 4,573,805 km (0.068 R)
• M7: 5,062,392 km (0.082 R)
• M8: 5,356,801 km (0.075 R)
• M9: 6,143,386 km (0.103 R)
• M10: 6,738,187 km (0.115 R)
• M11: 7,324,312 km (0.078 R)
• M12: 7,993,014 km (0.072 R)
• M13: 12,284,828 km (0.047 R)
• M14: 12,750,376 km (0.117 R)
• M15: 15,871,885 km (0.075 R)
• M16: 17,903,125 km (0.065 R)
• M17: 22,969,556 km (0.109 R)
• M18: 24,500,990 km (0.102 R)
• M19: 24,815,295 km (0.072 R)
• M20: 35,543,856 km (0.063 R)
• M21: 36,624,999 km (0.068 R)
• M22: 41,021,531 km (0.091 R)
• M23: 53,965,637 km (0.113 R)
• M24: 55,212,984 km (0.113 R)
• M25: 56,661,839 km (0.027 R)
• M26: 60,204,317 km (0.048 R)
• M27: 67,111,101 km (0.113 R)
• M28: 67,932,543 km (0.054 R)
• M29: 69,177,347 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.7

Radius: 7.4

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.77 AU - 11.51 AU

Year: 19326 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,410,060 km

• M1: 96,790 km (0.11 R)
• M2: 894,894 km (0.103 R)
• M3: 1,647,671 km (0.037 R)
• M4: 2,217,040 km (0.04 R)
• M5: 2,492,001 km (0.107 R)
• M6: 2,742,428 km (0.116 R)
• M7: 3,111,187 km (0.051 R)
• M8: 3,948,187 km (0.05 R)
• M9: 5,286,938 km (0.086 R)
• M10: 5,664,224 km (0.093 R)
• M11: 6,557,473 km (0.098 R)
• M12: 7,778,042 km (0.119 R)
• M13: 8,266,479 km (0.115 R)
• M14: 8,984,250 km (0.053 R)
• M15: 10,252,840 km (0.112 R)
• M16: 10,840,011 km (0.102 R)
• M17: 11,573,938 km (0.107 R)
• M18: 15,366,992 km (0.085 R)
• M19: 17,666,461 km (0.074 R)
• M20: 19,914,768 km (0.087 R)
• M21: 22,347,229 km (0.086 R)
• M22: 26,793,128 km (0.073 R)
• M23: 27,905,538 km (0.093 R)
• M24: 33,932,986 km (0.041 R)
• M25: 35,234,338 km (0.058 R)
• M26: 35,897,355 km (0.119 R)
• M27: 36,703,987 km (0.091 R)
• M28: 39,196,288 km (0.098 R)
• M29: 45,446,038 km (0.089 R)
• M30: 46,389,701 km (0.065 R)
• M31: 47,346,529 km (0.112 R)
• M32: 48,642,496 km (0.102 R)
• M33: 65,089,286 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.3

Radius: 4.5

Gravity: 37.1 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.32 AU - 11.14 AU

Year: 19597 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,410,060 km

• M1: 56,099 km (0.093 R)
• M2: 229,932 km (0.119 R)
• M3: 449,542 km (0.066 R)
• M4: 772,374 km (0.114 R)
• M5: 1,293,872 km (0.046 R)
• M6: 1,612,665 km (0.069 R)
• M7: 1,772,286 km (0.117 R)
• M8: 2,165,429 km (0.074 R)
• M9: 2,686,927 km (0.102 R)
• M10: 2,861,209 km (0.053 R)
• M11: 3,177,459 km (0.032 R)
• M12: 3,817,438 km (0.105 R)
• M13: 4,470,284 km (0.108 R)
• M14: 4,969,641 km (0.106 R)
• M15: 6,555,827 km (0.094 R)
• M16: 6,964,828 km (0.116 R)
• M17: 7,634,578 km (0.116 R)
• M18: 9,609,718 km (0.111 R)
• M19: 13,933,695 km (0.025 R)
• M20: 14,081,947 km (0.103 R)
• M21: 18,491,643 km (0.097 R)
• M22: 20,812,804 km (0.115 R)
• M23: 25,028,023 km (0.111 R)
• M24: 27,976,447 km (0.08 R)
• M25: 40,108,536 km (0.111 R)
• M26: 52,054,973 km (0.105 R)
• M27: 55,512,479 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit