🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 8.5

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,140,959 km

• M1: 105,766 km (0.119 R)
• M2: 382,671 km (0.1 R)
• M3: 741,557 km (0.045 R)
• M4: 1,289,982 km (0.076 R)
• M5: 1,735,784 km (0.058 R)
• M6: 2,271,344 km (0.111 R)
• M7: 2,605,546 km (0.101 R)
• M8: 3,282,925 km (0.11 R)
• M9: 3,574,043 km (0.108 R)
• M10: 3,868,003 km (0.068 R)
• M11: 5,280,356 km (0.109 R)
• M12: 5,851,371 km (0.086 R)
• M13: 6,142,189 km (0.051 R)
• M14: 7,008,211 km (0.097 R)
• M15: 7,336,579 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 9.9

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.02 AU - 2.62 AU

Year: 2397 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,140,959 km

• M1: 123,418 km (0.095 R)
• M2: 456,124 km (0.079 R)
• M3: 795,113 km (0.088 R)
• M4: 1,195,736 km (0.105 R)
• M5: 1,665,024 km (0.077 R)
• M6: 2,695,754 km (0.1 R)
• M7: 3,043,269 km (0.051 R)
• M8: 3,621,016 km (0.054 R)
• M9: 3,946,392 km (0.082 R)
• M10: 4,634,392 km (0.074 R)
• M11: 5,279,010 km (0.077 R)
• M12: 5,775,226 km (0.112 R)
• M13: 6,384,089 km (0.025 R)
• M14: 8,403,511 km (0.1 R)
• M15: 11,132,475 km (0.114 R)
• M16: 11,454,559 km (0.119 R)
• M17: 16,541,934 km (0.076 R)
• M18: 17,121,327 km (0.119 R)
• M19: 17,768,936 km (0.104 R)
• M20: 19,517,137 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.8

Radius: 12.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.85 AU - 2.83 AU

Year: 2428 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,140,959 km

• M1: 150,795 km (0.114 R)
• M2: 714,031 km (0.114 R)
• M3: 1,103,434 km (0.097 R)
• M4: 1,619,247 km (0.057 R)
• M5: 2,071,183 km (0.106 R)
• M6: 2,837,572 km (0.113 R)
• M7: 3,235,054 km (0.094 R)
• M8: 4,353,148 km (0.091 R)
• M9: 5,072,265 km (0.084 R)
• M10: 7,248,466 km (0.069 R)
• M11: 8,662,016 km (0.119 R)
• M12: 10,444,175 km (0.05 R)
• M13: 11,075,927 km (0.08 R)
• M14: 12,071,052 km (0.102 R)
• M15: 12,546,624 km (0.037 R)
• M16: 13,351,909 km (0.109 R)
• M17: 14,191,303 km (0.113 R)
• M18: 14,770,247 km (0.115 R)
• M19: 15,164,886 km (0.117 R)
• M20: 16,130,540 km (0.096 R)
• M21: 17,408,405 km (0.077 R)
• M22: 18,410,262 km (0.06 R)
• M23: 19,568,000 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 14.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.3 AU - 5.38 AU

Year: 6132 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,140,959 km

• M1: 185,352 km (0.034 R)
• M2: 675,285 km (0.11 R)
• M3: 1,317,209 km (0.098 R)
• M4: 1,941,182 km (0.08 R)
• M5: 2,516,087 km (0.064 R)
• M6: 3,434,767 km (0.098 R)
• M7: 4,016,703 km (0.081 R)
• M8: 4,615,693 km (0.089 R)
• M9: 6,111,522 km (0.105 R)
• M10: 6,875,668 km (0.109 R)
• M11: 8,933,237 km (0.087 R)
• M12: 10,249,399 km (0.094 R)
• M13: 13,414,591 km (0.099 R)
• M14: 14,128,621 km (0.086 R)
• M15: 14,867,934 km (0.111 R)
• M16: 15,466,774 km (0.049 R)
• M17: 16,195,166 km (0.062 R)
• M18: 16,770,968 km (0.099 R)
• M19: 18,456,488 km (0.108 R)
• M20: 19,533,443 km (0.055 R)
• M21: 20,786,325 km (0.065 R)
• M22: 26,655,199 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.8

Radius: 13.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.63 AU - 4.79 AU

Year: 6933 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,140,959 km

• M1: 172,786 km (0.11 R)
• M2: 753,824 km (0.116 R)
• M3: 1,651,560 km (0.105 R)
• M4: 2,370,827 km (0.057 R)
• M5: 2,873,625 km (0.117 R)
• M6: 3,402,753 km (0.115 R)
• M7: 4,306,175 km (0.115 R)
• M8: 4,944,808 km (0.098 R)
• M9: 5,742,165 km (0.04 R)
• M10: 7,361,861 km (0.097 R)
• M11: 9,002,800 km (0.087 R)
• M12: 9,816,163 km (0.077 R)
• M13: 11,178,102 km (0.114 R)
• M14: 13,394,993 km (0.114 R)
• M15: 14,096,009 km (0.116 R)
• M16: 17,695,633 km (0.03 R)
• M17: 18,468,605 km (0.118 R)
• M18: 19,782,074 km (0.076 R)
• M19: 30,174,788 km (0.103 R)
• M20: 31,994,646 km (0.087 R)
• M21: 33,247,977 km (0.111 R)
• M22: 33,994,022 km (0.097 R)
• M23: 35,630,323 km (0.081 R)
• M24: 38,356,744 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.2

Radius: 5.7

Gravity: 24.84 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.89 AU - 7.29 AU

Year: 11474 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,140,959 km

• M1: 71,059 km (0.05 R)
• M2: 378,183 km (0.072 R)
• M3: 1,000,660 km (0.114 R)
• M4: 1,380,938 km (0.073 R)
• M5: 1,705,865 km (0.12 R)
• M6: 2,044,405 km (0.1 R)
• M7: 2,446,972 km (0.114 R)
• M8: 3,064,064 km (0.11 R)
• M9: 3,890,442 km (0.095 R)
• M10: 4,385,462 km (0.063 R)
• M11: 4,791,620 km (0.066 R)
• M12: 5,188,503 km (0.035 R)
• M13: 5,935,445 km (0.117 R)
• M14: 7,998,849 km (0.103 R)
• M15: 9,493,780 km (0.063 R)
• M16: 12,101,271 km (0.084 R)
• M17: 12,404,057 km (0.053 R)
• M18: 13,600,840 km (0.118 R)
• M19: 14,193,696 km (0.073 R)
• M20: 14,462,673 km (0.059 R)
• M21: 17,039,048 km (0.086 R)
• M22: 17,342,881 km (0.101 R)
• M23: 17,727,946 km (0.088 R)
• M24: 18,998,032 km (0.107 R)
• M25: 19,489,611 km (0.093 R)
• M26: 21,985,950 km (0.05 R)
• M27: 22,527,794 km (0.054 R)
• M28: 25,469,935 km (0.119 R)
• M29: 26,878,848 km (0.042 R)
• M30: 28,551,651 km (0.061 R)
• M31: 29,196,568 km (0.081 R)
• M32: 36,187,875 km (0.093 R)
• M33: 36,564,113 km (0.114 R)
• M34: 38,484,501 km (0.099 R)
• M35: 42,247,037 km (0.114 R)
• M36: 44,791,098 km (0.103 R)
• M37: 47,885,979 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.1

Radius: 7.6

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.24 AU - 10.78 AU

Year: 23110 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,140,959 km

• M1: 94,695 km (0.117 R)
• M2: 576,101 km (0.089 R)
• M3: 989,590 km (0.113 R)
• M4: 1,728,753 km (0.081 R)
• M5: 2,071,033 km (0.062 R)
• M6: 2,645,339 km (0.079 R)
• M7: 3,791,259 km (0.071 R)
• M8: 6,298,519 km (0.073 R)
• M9: 7,207,326 km (0.061 R)
• M10: 11,206,975 km (0.068 R)
• M11: 12,398,971 km (0.106 R)
• M12: 13,382,876 km (0.075 R)
• M13: 18,912,462 km (0.107 R)
• M14: 31,294,827 km (0.073 R)
• M15: 35,411,611 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784

Radius: 3.1

Gravity: 81.58 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.18 AU - 12.96 AU

Year: 23308 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,140,959 km

• M1: 38,596 km (0.061 R)
• M2: 186,997 km (0.064 R)
• M3: 420,071 km (0.094 R)
• M4: 560,992 km (0.119 R)
• M5: 743,352 km (0.115 R)
• M6: 1,334,263 km (0.064 R)
• M7: 1,678,039 km (0.092 R)
• M8: 1,951,953 km (0.062 R)
• M9: 2,078,064 km (0.094 R)
• M10: 3,350,843 km (0.108 R)
• M11: 5,677,090 km (0.093 R)
• M12: 5,891,164 km (0.052 R)
• M13: 6,022,212 km (0.076 R)
• M14: 6,335,470 km (0.104 R)
• M15: 6,897,659 km (0.103 R)
• M16: 8,337,538 km (0.099 R)
• M17: 9,540,455 km (0.1 R)
• M18: 9,781,906 km (0.063 R)
• M19: 10,467,363 km (0.105 R)
• M20: 11,932,824 km (0.118 R)
• M21: 13,080,838 km (0.118 R)
• M22: 13,605,478 km (0.091 R)
• M23: 16,013,405 km (0.032 R)
• M24: 17,767,440 km (0.055 R)
• M25: 18,690,608 km (0.116 R)
• M26: 20,732,470 km (0.106 R)
• M27: 22,173,396 km (0.1 R)
• M28: 25,367,610 km (0.072 R)
• M29: 28,980,997 km (0.106 R)
• M30: 29,106,959 km (0.073 R)
• M31: 32,377,617 km (0.114 R)
• M32: 34,594,358 km (0.066 R)
• M33: 38,257,262 km (0.085 R)
• M34: 38,408,805 km (0.093 R)
• M35: 46,513,868 km (0.034 R)
• M36: 53,384,150 km (0.099 R)
• M37: 62,567,664 km (0.101 R)
• M38: 64,265,151 km (0.11 R)
• M39: 80,696,233 km (0.081 R)
• M40: 81,446,167 km (0.1 R)
• M41: 81,697,043 km (0.101 R)
• M42: 83,213,965 km (0.115 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: 232 - 18,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit