🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 11.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,477,545 km

• M1: 140,472 km (0.04 R)
• M2: 538,104 km (0.029 R)
• M3: 988,692 km (0.047 R)
• M4: 1,562,251 km (0.074 R)
• M5: 2,145,832 km (0.107 R)
• M6: 2,497,985 km (0.107 R)
• M7: 2,983,730 km (0.108 R)
• M8: 3,352,488 km (0.077 R)
• M9: 3,808,014 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 13.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.97 AU - 1.43 AU

Year: 892 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,477,545 km

• M1: 169,195 km (0.104 R)
• M2: 735,274 km (0.087 R)
• M3: 1,214,436 km (0.112 R)
• M4: 1,661,584 km (0.045 R)
• M5: 2,445,626 km (0.052 R)
• M6: 2,942,889 km (0.085 R)
• M7: 3,479,198 km (0.104 R)
• M8: 4,033,159 km (0.117 R)
• M9: 4,857,443 km (0.093 R)
• M10: 6,595,471 km (0.117 R)
• M11: 7,691,575 km (0.082 R)
• M12: 9,375,149 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 11.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1 AU - 1.66 AU

Year: 1040 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,477,545 km

• M1: 141,819 km (0.112 R)
• M2: 692,339 km (0.107 R)
• M3: 1,102,985 km (0.069 R)
• M4: 1,790,387 km (0.112 R)
• M5: 2,216,592 km (0.041 R)
• M6: 2,842,060 km (0.107 R)
• M7: 3,290,555 km (0.066 R)
• M8: 3,668,589 km (0.107 R)
• M9: 4,044,528 km (0.077 R)
• M10: 4,874,796 km (0.117 R)
• M11: 5,835,065 km (0.11 R)
• M12: 6,413,560 km (0.1 R)
• M13: 8,003,785 km (0.053 R)
• M14: 8,718,863 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 13

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.81 AU - 1.91 AU

Year: 1721 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,477,545 km

• M1: 161,715 km (0.078 R)
• M2: 593,305 km (0.115 R)
• M3: 1,000,062 km (0.085 R)
• M4: 1,523,654 km (0.107 R)
• M5: 1,961,677 km (0.031 R)
• M6: 2,787,457 km (0.104 R)
• M7: 3,598,876 km (0.1 R)
• M8: 4,223,447 km (0.117 R)
• M9: 4,798,352 km (0.104 R)
• M10: 5,403,325 km (0.107 R)
• M11: 6,058,714 km (0.103 R)
• M12: 7,075,381 km (0.07 R)
• M13: 7,666,143 km (0.111 R)
• M14: 8,524,685 km (0.078 R)
• M15: 9,702,918 km (0.04 R)
• M16: 11,093,131 km (0.089 R)
• M17: 13,042,242 km (0.111 R)
• M18: 13,726,353 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 9.5

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.79 AU - 2.33 AU

Year: 2005 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,477,545 km

• M1: 119,529 km (0.066 R)
• M2: 498,161 km (0.106 R)
• M3: 908,957 km (0.087 R)
• M4: 1,350,270 km (0.086 R)
• M5: 1,645,876 km (0.039 R)
• M6: 2,603,601 km (0.065 R)
• M7: 2,921,946 km (0.119 R)
• M8: 3,424,594 km (0.085 R)
• M9: 4,524,887 km (0.114 R)
• M10: 5,845,537 km (0.062 R)
• M11: 6,824,056 km (0.094 R)
• M12: 7,137,913 km (0.084 R)
• M13: 8,167,146 km (0.1 R)
• M14: 10,972,705 km (0.109 R)
• M15: 12,494,863 km (0.088 R)
• M16: 13,005,440 km (0.088 R)
• M17: 13,859,944 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 8.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.48 AU - 3.46 AU

Year: 3472 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,477,545 km

• M1: 110,702 km (0.109 R)
• M2: 447,298 km (0.04 R)
• M3: 876,494 km (0.034 R)
• M4: 1,314,516 km (0.072 R)
• M5: 1,709,604 km (0.109 R)
• M6: 2,066,395 km (0.083 R)
• M7: 3,556,540 km (0.097 R)
• M8: 5,093,508 km (0.111 R)
• M9: 5,812,625 km (0.078 R)
• M10: 9,414,194 km (0.101 R)
• M11: 10,189,111 km (0.082 R)
• M12: 10,729,010 km (0.058 R)
• M13: 11,045,858 km (0.047 R)
• M14: 11,657,115 km (0.083 R)
• M15: 12,681,561 km (0.108 R)
• M16: 14,139,392 km (0.092 R)
• M17: 14,520,717 km (0.099 R)
• M18: 14,811,236 km (0.12 R)
• M19: 15,655,268 km (0.113 R)
• M20: 16,426,295 km (0.092 R)
• M21: 16,847,862 km (0.093 R)
• M22: 18,044,196 km (0.047 R)
• M23: 19,180,093 km (0.103 R)
• M24: 19,884,100 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.9

Radius: 4

Gravity: 35.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.17 AU - 6.91 AU

Year: 11344 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,477,545 km

• M1: 51,162 km (0.083 R)
• M2: 192,682 km (0.103 R)
• M3: 644,318 km (0.083 R)
• M4: 1,463,815 km (0.05 R)
• M5: 2,348,836 km (0.032 R)
• M6: 3,618,922 km (0.116 R)
• M7: 4,298,396 km (0.032 R)
• M8: 6,013,086 km (0.099 R)
• M9: 8,817,448 km (0.109 R)
• M10: 10,344,094 km (0.07 R)
• M11: 11,142,349 km (0.091 R)
• M12: 15,280,974 km (0.05 R)
• M13: 20,095,033 km (0.099 R)
• M14: 24,053,393 km (0.086 R)
• M15: 24,512,658 km (0.12 R)
• M16: 24,977,758 km (0.106 R)
• M17: 28,603,711 km (0.088 R)
• M18: 30,702,420 km (0.103 R)
• M19: 31,134,159 km (0.035 R)
• M20: 32,676,962 km (0.12 R)
• M21: 37,120,468 km (0.107 R)
• M22: 40,253,346 km (0.09 R)
• M23: 41,161,106 km (0.104 R)
• M24: 44,790,650 km (0.075 R)
• M25: 47,038,956 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.5

Radius: 4.9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.97 AU - 9.11 AU

Year: 14043 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,477,545 km

• M1: 60,886 km (0.087 R)
• M2: 311,912 km (0.116 R)
• M3: 884,123 km (0.064 R)
• M4: 1,422,227 km (0.108 R)
• M5: 2,353,175 km (0.101 R)
• M6: 3,111,935 km (0.084 R)
• M7: 3,915,874 km (0.03 R)
• M8: 4,295,553 km (0.075 R)
• M9: 5,191,794 km (0.089 R)
• M10: 5,785,847 km (0.086 R)
• M11: 6,134,709 km (0.12 R)
• M12: 7,266,268 km (0.086 R)
• M13: 7,965,638 km (0.088 R)
• M14: 8,574,651 km (0.095 R)
• M15: 9,260,856 km (0.074 R)
• M16: 12,147,796 km (0.101 R)
• M17: 12,719,559 km (0.091 R)
• M18: 15,056,876 km (0.096 R)
• M19: 15,252,700 km (0.11 R)
• M20: 16,951,832 km (0.043 R)
• M21: 18,848,434 km (0.086 R)
• M22: 19,382,349 km (0.116 R)
• M23: 20,963,150 km (0.086 R)
• M24: 21,868,217 km (0.106 R)
• M25: 22,713,445 km (0.073 R)
• M26: 28,246,472 km (0.084 R)
• M27: 31,005,355 km (0.075 R)
• M28: 32,504,027 km (0.055 R)
• M29: 33,160,911 km (0.107 R)
• M30: 33,492,719 km (0.117 R)
• M31: 34,275,266 km (0.097 R)
• M32: 34,727,949 km (0.095 R)
• M33: 35,299,413 km (0.064 R)
• M34: 35,645,283 km (0.091 R)
• M35: 38,860,291 km (0.054 R)
• M36: 44,504,918 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37

Radius: 4.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.95 AU - 12.07 AU

Year: 23110 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,477,545 km

• M1: 59,690 km (0.049 R)
• M2: 666,459 km (0.093 R)
• M3: 913,295 km (0.109 R)
• M4: 1,116,599 km (0.069 R)
• M5: 2,689,770 km (0.114 R)
• M6: 4,245,438 km (0.06 R)
• M7: 5,845,387 km (0.119 R)
• M8: 5,999,772 km (0.062 R)
• M9: 9,349,867 km (0.117 R)
• M10: 10,666,029 km (0.115 R)
• M11: 14,096,607 km (0.066 R)
• M12: 17,677,532 km (0.086 R)
• M13: 18,725,614 km (0.041 R)
• M14: 19,265,064 km (0.093 R)
• M15: 21,599,389 km (0.106 R)
• M16: 24,274,199 km (0.088 R)
• M17: 28,201,891 km (0.113 R)
• M18: 28,643,205 km (0.063 R)
• M19: 30,732,190 km (0.068 R)
• M20: 31,293,481 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709

Radius: 4.4

Gravity: 36.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.52 AU - 11.68 AU

Year: 23407 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,477,545 km

• M1: 54,902 km (0.032 R)
• M2: 481,855 km (0.101 R)
• M3: 903,721 km (0.086 R)
• M4: 1,357,601 km (0.115 R)
• M5: 2,960,093 km (0.029 R)
• M6: 4,174,529 km (0.105 R)
• M7: 9,982,068 km (0.105 R)
• M8: 11,187,378 km (0.066 R)
• M9: 15,543,668 km (0.1 R)
• M10: 19,065,201 km (0.12 R)
• M11: 20,315,092 km (0.069 R)
• M12: 22,134,351 km (0.101 R)
• M13: 25,861,881 km (0.084 R)
• M14: 27,152,014 km (0.115 R)
• M15: 28,731,318 km (0.114 R)
• M16: 36,672,123 km (0.067 R)
• M17: 37,258,098 km (0.054 R)
• M18: 37,850,056 km (0.058 R)
• M19: 40,436,604 km (0.058 R)
• M20: 40,748,366 km (0.086 R)
• M21: 73,990,209 km (0.057 R)
• M22: 81,939,840 km (0.105 R)
• M23: 84,456,525 km (0.054 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 14,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit