🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 11.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.81 AU - 0.85 AU

Year: 496 Days

Day: 6.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,904,562 km

• M1: 144,212 km (0.069 R)
• M2: 506,838 km (0.101 R)
• M3: 892,950 km (0.064 R)
• M4: 1,421,329 km (0.11 R)
• M5: 1,866,533 km (0.095 R)
• M6: 2,376,811 km (0.063 R)
• M7: 3,258,990 km (0.098 R)
• M8: 3,655,873 km (0.081 R)
• M9: 4,139,523 km (0.1 R)
• M10: 5,014,820 km (0.095 R)
• M11: 5,956,688 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 8.8

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.36 AU - 2.02 AU

Year: 1441 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,904,562 km

• M1: 110,852 km (0.08 R)
• M2: 432,487 km (0.082 R)
• M3: 715,676 km (0.081 R)
• M4: 1,079,199 km (0.06 R)
• M5: 1,707,360 km (0.115 R)
• M6: 2,109,629 km (0.059 R)
• M7: 2,420,643 km (0.099 R)
• M8: 3,031,900 km (0.103 R)
• M9: 3,382,258 km (0.112 R)
• M10: 3,949,833 km (0.093 R)
• M11: 4,598,938 km (0.075 R)
• M12: 5,062,990 km (0.114 R)
• M13: 5,898,046 km (0.091 R)
• M14: 6,421,788 km (0.108 R)
• M15: 6,976,198 km (0.119 R)
• M16: 8,008,722 km (0.117 R)
• M17: 9,202,064 km (0.087 R)
• M18: 10,038,915 km (0.095 R)
• M19: 10,960,737 km (0.099 R)
• M20: 11,388,138 km (0.104 R)
• M21: 13,369,711 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 11.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.77 AU - 1.91 AU

Year: 1637 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,904,562 km

• M1: 139,276 km (0.117 R)
• M2: 672,592 km (0.103 R)
• M3: 1,064,688 km (0.096 R)
• M4: 1,447,958 km (0.112 R)
• M5: 2,116,511 km (0.07 R)
• M6: 3,792,904 km (0.108 R)
• M7: 5,980,474 km (0.097 R)
• M8: 7,343,011 km (0.096 R)
• M9: 8,031,461 km (0.114 R)
• M10: 9,044,238 km (0.095 R)
• M11: 10,929,321 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 9.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.37 AU - 4.79 AU

Year: 5406 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,904,562 km

• M1: 129,701 km (0.036 R)
• M2: 443,408 km (0.11 R)
• M3: 762,201 km (0.047 R)
• M4: 1,181,374 km (0.058 R)
• M5: 1,551,180 km (0.039 R)
• M6: 2,632,474 km (0.075 R)
• M7: 3,437,460 km (0.104 R)
• M8: 4,860,884 km (0.105 R)
• M9: 6,675,057 km (0.112 R)
• M10: 7,499,491 km (0.09 R)
• M11: 8,085,915 km (0.077 R)
• M12: 8,428,942 km (0.078 R)
• M13: 8,781,694 km (0.093 R)
• M14: 9,350,017 km (0.03 R)
• M15: 9,770,985 km (0.067 R)
• M16: 10,741,426 km (0.114 R)
• M17: 11,439,001 km (0.044 R)
• M18: 11,871,937 km (0.11 R)
• M19: 12,415,875 km (0.102 R)
• M20: 12,924,658 km (0.06 R)
• M21: 13,500,310 km (0.099 R)
• M22: 13,929,656 km (0.073 R)
• M23: 18,937,894 km (0.095 R)
• M24: 19,544,214 km (0.078 R)
• M25: 20,232,962 km (0.074 R)
• M26: 21,659,079 km (0.063 R)
• M27: 22,396,746 km (0.105 R)
• M28: 26,840,401 km (0.111 R)
• M29: 27,263,763 km (0.087 R)
• M30: 28,736,255 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 10.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.39 AU - 5.59 AU

Year: 7312 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,904,562 km

• M1: 127,158 km (0.117 R)
• M2: 487,539 km (0.103 R)
• M3: 932,294 km (0.106 R)
• M4: 1,668,914 km (0.074 R)
• M5: 2,133,415 km (0.107 R)
• M6: 3,345,308 km (0.079 R)
• M7: 3,852,744 km (0.105 R)
• M8: 4,310,064 km (0.096 R)
• M9: 6,028,345 km (0.108 R)
• M10: 8,123,912 km (0.072 R)
• M11: 8,756,113 km (0.079 R)
• M12: 9,378,291 km (0.048 R)
• M13: 10,710,908 km (0.107 R)
• M14: 12,730,779 km (0.104 R)
• M15: 13,259,607 km (0.078 R)
• M16: 13,968,851 km (0.11 R)
• M17: 17,252,524 km (0.094 R)
• M18: 21,018,351 km (0.079 R)
• M19: 24,887,850 km (0.086 R)
• M20: 25,548,175 km (0.05 R)
• M21: 25,966,750 km (0.08 R)
• M22: 27,686,976 km (0.032 R)
• M23: 28,754,955 km (0.089 R)
• M24: 29,207,937 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4 AU - 6.16 AU

Year: 7511 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,904,562 km

• M1: 176,675 km (0.037 R)
• M2: 656,136 km (0.115 R)
• M3: 1,272,779 km (0.066 R)
• M4: 1,867,729 km (0.108 R)
• M5: 2,698,596 km (0.107 R)
• M6: 4,494,369 km (0.111 R)
• M7: 5,779,564 km (0.09 R)
• M8: 6,332,328 km (0.038 R)
• M9: 6,987,866 km (0.111 R)
• M10: 8,986,494 km (0.119 R)
• M11: 9,944,518 km (0.029 R)
• M12: 11,201,589 km (0.075 R)
• M13: 12,113,239 km (0.077 R)
• M14: 12,918,823 km (0.059 R)
• M15: 14,139,093 km (0.059 R)
• M16: 14,637,104 km (0.067 R)
• M17: 15,493,103 km (0.072 R)
• M18: 19,661,499 km (0.104 R)
• M19: 20,422,353 km (0.111 R)
• M20: 26,144,023 km (0.056 R)
• M21: 31,056,069 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 10.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.17 AU - 5.47 AU

Year: 8050 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,904,562 km

• M1: 136,284 km (0.118 R)
• M2: 487,539 km (0.114 R)
• M3: 1,186,610 km (0.103 R)
• M4: 1,618,350 km (0.036 R)
• M5: 2,071,033 km (0.061 R)
• M6: 2,493,348 km (0.079 R)
• M7: 2,951,716 km (0.062 R)
• M8: 3,832,997 km (0.11 R)
• M9: 4,335,346 km (0.071 R)
• M10: 6,949,419 km (0.111 R)
• M11: 8,544,432 km (0.079 R)
• M12: 9,172,593 km (0.068 R)
• M13: 10,320,907 km (0.04 R)
• M14: 11,455,457 km (0.026 R)
• M15: 12,557,395 km (0.087 R)
• M16: 13,849,472 km (0.098 R)
• M17: 16,765,433 km (0.104 R)
• M18: 17,607,221 km (0.119 R)
• M19: 21,420,919 km (0.039 R)
• M20: 22,496,079 km (0.096 R)
• M21: 23,004,263 km (0.095 R)
• M22: 23,520,076 km (0.057 R)
• M23: 23,955,855 km (0.093 R)
• M24: 28,025,815 km (0.117 R)
• M25: 28,515,748 km (0.098 R)
• M26: 29,211,079 km (0.045 R)
• M27: 31,575,772 km (0.104 R)
• M28: 34,511,331 km (0.085 R)
• M29: 34,961,172 km (0.118 R)
• M30: 40,171,067 km (0.083 R)
• M31: 41,549,911 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.3

Radius: 5.6

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.96 AU - 9.68 AU

Year: 17184 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,904,562 km

• M1: 70,012 km (0.08 R)
• M2: 253,718 km (0.069 R)
• M3: 437,275 km (0.113 R)
• M4: 945,010 km (0.036 R)
• M5: 2,544,959 km (0.083 R)
• M6: 3,278,138 km (0.101 R)
• M7: 3,922,007 km (0.061 R)
• M8: 5,936,941 km (0.111 R)
• M9: 6,444,377 km (0.053 R)
• M10: 6,708,717 km (0.12 R)
• M11: 6,934,609 km (0.102 R)
• M12: 8,873,846 km (0.09 R)
• M13: 9,996,579 km (0.071 R)
• M14: 10,291,436 km (0.117 R)
• M15: 10,652,864 km (0.07 R)
• M16: 11,022,670 km (0.061 R)
• M17: 11,337,424 km (0.039 R)
• M18: 11,788,163 km (0.041 R)
• M19: 13,211,886 km (0.053 R)
• M20: 13,710,944 km (0.108 R)
• M21: 16,972,327 km (0.094 R)
• M22: 17,476,921 km (0.115 R)
• M23: 18,252,287 km (0.085 R)
• M24: 19,779,232 km (0.052 R)
• M25: 22,982,721 km (0.106 R)
• M26: 25,628,210 km (0.093 R)
• M27: 28,352,237 km (0.099 R)
• M28: 32,532,899 km (0.104 R)
• M29: 32,790,806 km (0.1 R)
• M30: 33,310,958 km (0.119 R)
• M31: 36,270,004 km (0.118 R)
• M32: 41,482,293 km (0.069 R)
• M33: 47,007,690 km (0.081 R)
• M34: 55,171,695 km (0.114 R)
• M35: 59,106,119 km (0.078 R)
• M36: 64,840,953 km (0.096 R)
• M37: 72,462,067 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit