🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 14.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.65 AU - 0.83 AU

Year: 418 Days

Day: 9.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,580,989 km

• M1: 177,872 km (0.119 R)
• M2: 720,912 km (0.059 R)
• M3: 1,238,670 km (0.112 R)
• M4: 1,977,983 km (0.067 R)
• M5: 2,641,599 km (0.077 R)
• M6: 3,167,885 km (0.118 R)
• M7: 3,649,440 km (0.092 R)
• M8: 4,671,194 km (0.12 R)
• M9: 5,152,749 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 11.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.56 AU - 1.92 AU

Year: 1506 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,580,989 km

• M1: 143,016 km (0.057 R)
• M2: 686,505 km (0.064 R)
• M3: 1,095,954 km (0.065 R)
• M4: 1,560,306 km (0.104 R)
• M5: 2,201,632 km (0.096 R)
• M6: 2,703,832 km (0.115 R)
• M7: 3,502,685 km (0.07 R)
• M8: 4,246,186 km (0.109 R)
• M9: 4,705,302 km (0.12 R)
• M10: 6,480,281 km (0.091 R)
• M11: 7,196,106 km (0.036 R)
• M12: 8,077,986 km (0.108 R)
• M13: 8,634,789 km (0.11 R)
• M14: 9,374,700 km (0.087 R)
• M15: 9,890,962 km (0.084 R)
• M16: 12,110,995 km (0.099 R)
• M17: 12,841,182 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 15

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.28 AU - 4.8 AU

Year: 5327 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,580,989 km

• M1: 186,549 km (0.074 R)
• M2: 722,707 km (0.096 R)
• M3: 1,420,731 km (0.093 R)
• M4: 2,186,373 km (0.111 R)
• M5: 3,743,238 km (0.037 R)
• M6: 4,253,965 km (0.112 R)
• M7: 4,732,529 km (0.115 R)
• M8: 5,829,380 km (0.108 R)
• M9: 6,358,209 km (0.065 R)
• M10: 8,525,583 km (0.087 R)
• M11: 10,235,935 km (0.045 R)
• M12: 10,731,553 km (0.061 R)
• M13: 13,243,002 km (0.109 R)
• M14: 13,777,964 km (0.062 R)
• M15: 14,271,936 km (0.06 R)
• M16: 16,550,312 km (0.113 R)
• M17: 19,333,281 km (0.08 R)
• M18: 22,641,787 km (0.111 R)
• M19: 23,719,490 km (0.065 R)
• M20: 31,955,601 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 12

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.35 AU - 6.71 AU

Year: 8531 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,580,989 km

• M1: 149,299 km (0.103 R)
• M2: 1,650,663 km (0.068 R)
• M3: 3,216,055 km (0.059 R)
• M4: 4,387,706 km (0.119 R)
• M5: 4,901,275 km (0.083 R)
• M6: 6,826,899 km (0.096 R)
• M7: 8,136,479 km (0.108 R)
• M8: 8,998,910 km (0.026 R)
• M9: 9,696,036 km (0.106 R)
• M10: 10,475,890 km (0.096 R)
• M11: 11,002,624 km (0.096 R)
• M12: 11,446,481 km (0.095 R)
• M13: 14,250,394 km (0.053 R)
• M14: 14,957,244 km (0.11 R)
• M15: 15,873,531 km (0.08 R)
• M16: 20,577,187 km (0.073 R)
• M17: 23,447,073 km (0.08 R)
• M18: 26,927,916 km (0.116 R)
• M19: 27,554,881 km (0.072 R)
• M20: 33,334,295 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.8

Radius: 6.8

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.7 AU - 7.08 AU

Year: 11864 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,580,989 km

• M1: 84,523 km (0.063 R)
• M2: 591,061 km (0.096 R)
• M3: 1,020,407 km (0.058 R)
• M4: 1,311,525 km (0.118 R)
• M5: 1,673,252 km (0.116 R)
• M6: 2,099,905 km (0.105 R)
• M7: 2,533,141 km (0.058 R)
• M8: 4,255,611 km (0.114 R)
• M9: 4,468,788 km (0.091 R)
• M10: 8,635,238 km (0.096 R)
• M11: 10,385,234 km (0.098 R)
• M12: 12,297,543 km (0.085 R)
• M13: 14,433,053 km (0.034 R)
• M14: 16,804,030 km (0.096 R)
• M15: 18,441,079 km (0.085 R)
• M16: 21,401,172 km (0.1 R)
• M17: 23,890,331 km (0.087 R)
• M18: 26,056,209 km (0.114 R)
• M19: 28,242,582 km (0.071 R)
• M20: 35,530,541 km (0.117 R)
• M21: 39,270,039 km (0.106 R)
• M22: 40,481,932 km (0.093 R)
• M23: 45,874,187 km (0.111 R)
• M24: 50,455,023 km (0.076 R)
• M25: 51,087,822 km (0.025 R)
• M26: 54,166,696 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.3

Radius: 5.5

Gravity: 23.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.7 AU - 8.96 AU

Year: 13019 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,580,989 km

• M1: 68,366 km (0.107 R)
• M2: 311,164 km (0.07 R)
• M3: 499,657 km (0.1 R)
• M4: 766,689 km (0.108 R)
• M5: 1,414,597 km (0.05 R)
• M6: 1,686,118 km (0.027 R)
• M7: 2,781,623 km (0.105 R)
• M8: 3,234,306 km (0.077 R)
• M9: 3,762,386 km (0.091 R)
• M10: 4,346,117 km (0.088 R)
• M11: 5,227,548 km (0.104 R)
• M12: 6,222,374 km (0.109 R)
• M13: 6,580,511 km (0.058 R)
• M14: 7,557,834 km (0.118 R)
• M15: 8,677,275 km (0.063 R)
• M16: 8,923,663 km (0.107 R)
• M17: 9,430,500 km (0.117 R)
• M18: 9,638,591 km (0.101 R)
• M19: 11,181,693 km (0.057 R)
• M20: 11,770,660 km (0.11 R)
• M21: 12,629,501 km (0.103 R)
• M22: 12,882,471 km (0.105 R)
• M23: 13,268,134 km (0.112 R)
• M24: 20,100,718 km (0.072 R)
• M25: 21,503,946 km (0.062 R)
• M26: 22,413,351 km (0.117 R)
• M27: 29,731,530 km (0.075 R)
• M28: 31,433,654 km (0.078 R)
• M29: 36,161,396 km (0.089 R)
• M30: 37,836,892 km (0.114 R)
• M31: 38,760,210 km (0.093 R)
• M32: 39,833,575 km (0.092 R)
• M33: 40,651,576 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.1

Radius: 4.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.17 AU - 9.91 AU

Year: 14955 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,580,989 km

• M1: 53,855 km (0.084 R)
• M2: 230,979 km (0.09 R)
• M3: 432,936 km (0.072 R)
• M4: 594,951 km (0.096 R)
• M5: 761,902 km (0.095 R)
• M6: 984,952 km (0.112 R)
• M7: 2,759,333 km (0.083 R)
• M8: 5,006,293 km (0.037 R)
• M9: 5,266,443 km (0.081 R)
• M10: 6,219,083 km (0.115 R)
• M11: 7,890,091 km (0.116 R)
• M12: 9,798,062 km (0.119 R)
• M13: 10,164,128 km (0.075 R)
• M14: 15,023,665 km (0.059 R)
• M15: 20,633,286 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 3.6

Gravity: 44.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.62 AU - 10.68 AU

Year: 21213 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,580,989 km

• M1: 44,730 km (0.087 R)
• M2: 164,109 km (0.114 R)
• M3: 291,267 km (0.115 R)
• M4: 556,055 km (0.083 R)
• M5: 755,020 km (0.115 R)
• M6: 975,528 km (0.098 R)
• M7: 1,938,938 km (0.074 R)
• M8: 2,330,436 km (0.099 R)
• M9: 3,639,567 km (0.084 R)
• M10: 4,070,408 km (0.051 R)
• M11: 4,534,611 km (0.115 R)
• M12: 6,012,338 km (0.111 R)
• M13: 6,746,714 km (0.101 R)
• M14: 7,783,278 km (0.083 R)
• M15: 9,361,835 km (0.101 R)
• M16: 11,141,451 km (0.09 R)
• M17: 12,718,213 km (0.111 R)
• M18: 12,855,992 km (0.077 R)
• M19: 13,703,614 km (0.086 R)
• M20: 14,214,790 km (0.091 R)
• M21: 15,666,487 km (0.1 R)
• M22: 16,550,461 km (0.071 R)
• M23: 17,723,009 km (0.088 R)
• M24: 19,952,616 km (0.038 R)
• M25: 20,325,863 km (0.115 R)
• M26: 21,376,339 km (0.11 R)
• M27: 26,162,424 km (0.115 R)
• M28: 29,040,687 km (0.071 R)
• M29: 43,751,094 km (0.048 R)
• M30: 45,496,901 km (0.091 R)
• M31: 47,619,545 km (0.066 R)
• M32: 50,321,433 km (0.08 R)
• M33: 68,917,046 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 17,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit