🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 10.3

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.68 AU - 0.94 AU

Year: 503 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,419,297 km

• M1: 128,056 km (0.073 R)
• M2: 458,069 km (0.066 R)
• M3: 842,984 km (0.1 R)
• M4: 1,193,492 km (0.097 R)
• M5: 1,913,207 km (0.039 R)
• M6: 2,811,692 km (0.067 R)
• M7: 3,276,044 km (0.109 R)
• M8: 3,697,311 km (0.119 R)
• M9: 4,434,530 km (0.111 R)
• M10: 5,508,194 km (0.083 R)
• M11: 6,469,659 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 9.4

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.94 AU - 1.42 AU

Year: 885 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,419,297 km

• M1: 116,836 km (0.106 R)
• M2: 429,944 km (0.073 R)
• M3: 743,501 km (0.12 R)
• M4: 1,061,846 km (0.045 R)
• M5: 1,644,081 km (0.094 R)
• M6: 2,047,845 km (0.099 R)
• M7: 2,574,879 km (0.105 R)
• M8: 3,716,909 km (0.037 R)
• M9: 5,396,145 km (0.112 R)
• M10: 5,915,698 km (0.09 R)
• M11: 6,251,845 km (0.084 R)
• M12: 6,578,417 km (0.066 R)
• M13: 6,893,619 km (0.066 R)
• M14: 7,627,547 km (0.071 R)
• M15: 8,128,101 km (0.119 R)
• M16: 8,597,240 km (0.117 R)
• M17: 9,532,526 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 14.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.35 AU - 1.73 AU

Year: 1319 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,419,297 km

• M1: 181,911 km (0.108 R)
• M2: 763,248 km (0.087 R)
• M3: 1,258,567 km (0.098 R)
• M4: 1,893,460 km (0.106 R)
• M5: 2,620,655 km (0.037 R)
• M6: 3,593,490 km (0.11 R)
• M7: 4,736,568 km (0.084 R)
• M8: 5,788,839 km (0.037 R)
• M9: 6,419,095 km (0.095 R)
• M10: 6,915,162 km (0.071 R)
• M11: 9,070,268 km (0.112 R)
• M12: 9,537,463 km (0.077 R)
• M13: 10,185,521 km (0.054 R)
• M14: 10,690,713 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 12.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.31 AU - 6.49 AU

Year: 8662 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,419,297 km

• M1: 163,062 km (0.051 R)
• M2: 687,402 km (0.085 R)
• M3: 1,098,348 km (0.088 R)
• M4: 1,557,314 km (0.108 R)
• M5: 2,196,695 km (0.066 R)
• M6: 2,696,352 km (0.039 R)
• M7: 3,203,788 km (0.063 R)
• M8: 3,901,961 km (0.075 R)
• M9: 4,412,988 km (0.084 R)
• M10: 5,504,603 km (0.088 R)
• M11: 5,940,531 km (0.063 R)
• M12: 6,920,397 km (0.116 R)
• M13: 7,962,945 km (0.062 R)
• M14: 8,566,273 km (0.111 R)
• M15: 9,816,163 km (0.032 R)
• M16: 10,714,798 km (0.071 R)
• M17: 12,108,601 km (0.108 R)
• M18: 12,675,727 km (0.105 R)
• M19: 13,741,163 km (0.112 R)
• M20: 17,155,435 km (0.104 R)
• M21: 17,582,687 km (0.03 R)
• M22: 19,286,756 km (0.056 R)
• M23: 20,376,576 km (0.098 R)
• M24: 23,280,421 km (0.092 R)
• M25: 29,184,151 km (0.06 R)
• M26: 32,642,854 km (0.117 R)
• M27: 34,077,348 km (0.049 R)
• M28: 34,527,039 km (0.078 R)
• M29: 42,402,469 km (0.106 R)
• M30: 44,509,854 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.6

Radius: 5.4

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.15 AU - 6.09 AU

Year: 9196 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,419,297 km

• M1: 67,768 km (0.102 R)
• M2: 291,417 km (0.058 R)
• M3: 598,541 km (0.057 R)
• M4: 789,578 km (0.034 R)
• M5: 961,914 km (0.082 R)
• M6: 1,710,502 km (0.084 R)
• M7: 1,923,380 km (0.114 R)
• M8: 2,311,437 km (0.096 R)
• M9: 4,102,422 km (0.094 R)
• M10: 4,485,692 km (0.085 R)
• M11: 4,892,449 km (0.053 R)
• M12: 5,291,725 km (0.045 R)
• M13: 5,948,311 km (0.108 R)
• M14: 6,805,806 km (0.057 R)
• M15: 7,382,057 km (0.027 R)
• M16: 8,631,199 km (0.099 R)
• M17: 9,679,730 km (0.047 R)
• M18: 10,708,814 km (0.101 R)
• M19: 13,331,115 km (0.087 R)
• M20: 14,231,096 km (0.076 R)
• M21: 14,853,124 km (0.104 R)
• M22: 18,383,035 km (0.084 R)
• M23: 19,195,202 km (0.092 R)
• M24: 20,970,480 km (0.03 R)
• M25: 24,226,029 km (0.112 R)
• M26: 25,927,555 km (0.076 R)
• M27: 29,367,109 km (0.072 R)
• M28: 29,867,664 km (0.055 R)
• M29: 30,272,176 km (0.084 R)
• M30: 31,195,794 km (0.118 R)
• M31: 33,423,455 km (0.077 R)
• M32: 36,555,736 km (0.068 R)
• M33: 38,430,496 km (0.089 R)
• M34: 38,669,254 km (0.03 R)
• M35: 42,498,062 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.5

Radius: 6.3

Gravity: 21.58 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.02 AU - 6.26 AU

Year: 10502 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,419,297 km

• M1: 78,389 km (0.101 R)
• M2: 368,759 km (0.049 R)
• M3: 871,408 km (0.057 R)
• M4: 2,382,047 km (0.091 R)
• M5: 2,865,248 km (0.103 R)
• M6: 3,886,104 km (0.049 R)
• M7: 4,284,483 km (0.096 R)
• M8: 4,900,677 km (0.076 R)
• M9: 5,129,711 km (0.08 R)
• M10: 7,145,243 km (0.042 R)
• M11: 8,009,620 km (0.118 R)
• M12: 9,334,309 km (0.102 R)
• M13: 10,634,913 km (0.083 R)
• M14: 12,230,075 km (0.117 R)
• M15: 13,272,921 km (0.072 R)
• M16: 13,783,649 km (0.092 R)
• M17: 14,440,383 km (0.084 R)
• M18: 17,579,395 km (0.071 R)
• M19: 18,666,374 km (0.069 R)
• M20: 21,753,924 km (0.102 R)
• M21: 29,237,557 km (0.108 R)
• M22: 31,429,166 km (0.115 R)
• M23: 34,200,616 km (0.103 R)
• M24: 34,438,776 km (0.099 R)
• M25: 35,402,037 km (0.098 R)
• M26: 35,890,324 km (0.11 R)
• M27: 36,383,249 km (0.103 R)
• M28: 39,960,134 km (0.114 R)
• M29: 40,489,561 km (0.068 R)
• M30: 42,105,817 km (0.098 R)
• M31: 52,084,144 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.5

Radius: 4.9

Gravity: 26.8 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.43 AU - 8.19 AU

Year: 12267 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,419,297 km

• M1: 62,981 km (0.085 R)
• M2: 253,419 km (0.072 R)
• M3: 931,097 km (0.072 R)
• M4: 1,511,686 km (0.117 R)
• M5: 1,756,429 km (0.098 R)
• M6: 1,957,039 km (0.053 R)
• M7: 3,764,331 km (0.084 R)
• M8: 4,333,102 km (0.073 R)
• M9: 5,604,235 km (0.107 R)
• M10: 6,499,579 km (0.118 R)
• M11: 6,981,134 km (0.084 R)
• M12: 7,443,392 km (0.11 R)
• M13: 12,867,212 km (0.093 R)
• M14: 13,116,741 km (0.081 R)
• M15: 13,561,047 km (0.047 R)
• M16: 14,749,602 km (0.08 R)
• M17: 16,807,919 km (0.075 R)
• M18: 24,976,561 km (0.091 R)
• M19: 25,170,141 km (0.084 R)
• M20: 29,471,828 km (0.081 R)
• M21: 31,456,393 km (0.071 R)
• M22: 33,764,090 km (0.11 R)
• M23: 35,935,204 km (0.07 R)
• M24: 51,726,306 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.4

Radius: 6.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.16 AU - 8 AU

Year: 14405 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,419,297 km

• M1: 88,412 km (0.115 R)
• M2: 304,880 km (0.089 R)
• M3: 524,191 km (0.101 R)
• M4: 782,995 km (0.117 R)
• M5: 1,106,875 km (0.111 R)
• M6: 1,542,803 km (0.118 R)
• M7: 2,230,055 km (0.1 R)
• M8: 2,624,246 km (0.118 R)
• M9: 3,270,209 km (0.119 R)
• M10: 4,790,124 km (0.113 R)
• M11: 5,387,468 km (0.112 R)
• M12: 6,763,918 km (0.065 R)
• M13: 7,043,816 km (0.111 R)
• M14: 7,815,292 km (0.108 R)
• M15: 9,612,262 km (0.038 R)
• M16: 12,904,761 km (0.1 R)
• M17: 15,941,000 km (0.076 R)
• M18: 16,816,147 km (0.116 R)
• M19: 18,255,279 km (0.081 R)
• M20: 19,422,292 km (0.08 R)
• M21: 24,753,810 km (0.096 R)
• M22: 30,508,391 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.6

Radius: 7.6

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.24 AU - 11.64 AU

Year: 20020 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,419,297 km

• M1: 277,354 km (0.052 R)
• M2: 854,054 km (0.086 R)
• M3: 1,926,073 km (0.114 R)
• M4: 2,913,867 km (0.111 R)
• M5: 4,640,376 km (0.106 R)
• M6: 4,922,967 km (0.094 R)
• M7: 7,188,327 km (0.111 R)
• M8: 7,713,117 km (0.086 R)
• M9: 11,928,485 km (0.088 R)
• M10: 16,553,304 km (0.086 R)
• M11: 16,964,847 km (0.098 R)
• M12: 19,125,190 km (0.067 R)
• M13: 23,259,028 km (0.047 R)
• M14: 25,587,968 km (0.064 R)
• M15: 28,771,111 km (0.082 R)
• M16: 30,335,007 km (0.047 R)
• M17: 34,026,185 km (0.094 R)
• M18: 38,434,984 km (0.109 R)
• M19: 45,900,516 km (0.082 R)
• M20: 49,715,860 km (0.1 R)
• M21: 50,744,795 km (0.086 R)
• M22: 56,103,540 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 19,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit