🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 13.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 12.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,482,971 km

• M1: 170,392 km (0.117 R)
• M2: 650,601 km (0.066 R)
• M3: 1,091,167 km (0.074 R)
• M4: 1,568,384 km (0.06 R)
• M5: 2,055,176 km (0.049 R)
• M6: 2,523,566 km (0.115 R)
• M7: 3,088,448 km (0.104 R)
• M8: 3,997,853 km (0.066 R)
• M9: 4,523,989 km (0.031 R)
• M10: 5,237,870 km (0.103 R)
• M11: 5,735,732 km (0.085 R)
• M12: 6,913,067 km (0.119 R)
• M13: 8,004,533 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 10.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.78 AU - 2.72 AU

Year: 2289 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,482,971 km

• M1: 135,536 km (0.084 R)
• M2: 565,929 km (0.108 R)
• M3: 1,190,500 km (0.1 R)
• M4: 2,435,453 km (0.097 R)
• M5: 3,136,170 km (0.116 R)
• M6: 3,985,586 km (0.06 R)
• M7: 4,893,047 km (0.064 R)
• M8: 5,562,797 km (0.067 R)
• M9: 6,371,972 km (0.113 R)
• M10: 7,057,130 km (0.12 R)
• M11: 7,760,539 km (0.104 R)
• M12: 9,410,155 km (0.103 R)
• M13: 9,830,076 km (0.12 R)
• M14: 10,335,717 km (0.116 R)
• M15: 10,783,015 km (0.12 R)
• M16: 11,320,968 km (0.097 R)
• M17: 13,433,889 km (0.113 R)
• M18: 14,375,907 km (0.059 R)
• M19: 15,554,289 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.1

Radius: 13.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.11 AU - 2.61 AU

Year: 2459 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,482,971 km

• M1: 185,801 km (0.085 R)
• M2: 672,143 km (0.12 R)
• M3: 1,190,799 km (0.096 R)
• M4: 1,608,626 km (0.091 R)
• M5: 2,294,981 km (0.117 R)
• M6: 2,742,428 km (0.104 R)
• M7: 3,264,375 km (0.109 R)
• M8: 4,125,610 km (0.07 R)
• M9: 5,176,834 km (0.077 R)
• M10: 6,150,268 km (0.084 R)
• M11: 7,464,335 km (0.113 R)
• M12: 7,922,105 km (0.079 R)
• M13: 8,989,635 km (0.052 R)
• M14: 9,475,529 km (0.118 R)
• M15: 10,081,849 km (0.115 R)
• M16: 10,713,751 km (0.098 R)
• M17: 12,689,340 km (0.102 R)
• M18: 13,763,453 km (0.107 R)
• M19: 14,585,942 km (0.033 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.5

Radius: 7

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.48 AU - 6.14 AU

Year: 9499 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,482,971 km

• M1: 87,066 km (0.027 R)
• M2: 408,253 km (0.114 R)
• M3: 700,417 km (0.046 R)
• M4: 930,648 km (0.088 R)
• M5: 1,564,644 km (0.05 R)
• M6: 2,436,650 km (0.047 R)
• M7: 3,326,159 km (0.069 R)
• M8: 3,572,696 km (0.113 R)
• M9: 5,384,775 km (0.054 R)
• M10: 6,153,858 km (0.065 R)
• M11: 8,484,593 km (0.073 R)
• M12: 9,523,400 km (0.05 R)
• M13: 11,236,745 km (0.082 R)
• M14: 11,569,002 km (0.115 R)
• M15: 11,794,147 km (0.043 R)
• M16: 13,890,761 km (0.117 R)
• M17: 19,992,409 km (0.101 R)
• M18: 21,820,944 km (0.101 R)
• M19: 22,338,403 km (0.085 R)
• M20: 23,397,855 km (0.114 R)
• M21: 25,237,460 km (0.072 R)
• M22: 27,569,541 km (0.101 R)
• M23: 27,870,831 km (0.047 R)
• M24: 28,377,818 km (0.065 R)
• M25: 29,201,654 km (0.101 R)
• M26: 29,935,731 km (0.092 R)
• M27: 30,253,925 km (0.101 R)
• M28: 34,599,744 km (0.07 R)
• M29: 36,136,114 km (0.079 R)
• M30: 36,860,317 km (0.074 R)
• M31: 37,348,305 km (0.114 R)
• M32: 38,462,361 km (0.109 R)
• M33: 41,017,193 km (0.063 R)
• M34: 45,196,957 km (0.072 R)
• M35: 47,749,845 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.3

Radius: 4.1

Gravity: 21.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.9 AU - 6.96 AU

Year: 9794 Days

Day: 19.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,482,971 km

• M1: 51,162 km (0.057 R)
• M2: 209,587 km (0.053 R)
• M3: 341,532 km (0.108 R)
• M4: 569,818 km (0.073 R)
• M5: 1,016,667 km (0.085 R)
• M6: 1,331,571 km (0.113 R)
• M7: 2,483,175 km (0.102 R)
• M8: 2,826,502 km (0.117 R)
• M9: 3,354,882 km (0.093 R)
• M10: 3,946,392 km (0.114 R)
• M11: 4,494,668 km (0.075 R)
• M12: 4,974,428 km (0.102 R)
• M13: 6,905,288 km (0.105 R)
• M14: 8,466,491 km (0.111 R)
• M15: 9,284,493 km (0.097 R)
• M16: 10,059,858 km (0.078 R)
• M17: 11,126,342 km (0.119 R)
• M18: 11,686,735 km (0.053 R)
• M19: 12,106,058 km (0.1 R)
• M20: 13,197,973 km (0.082 R)
• M21: 15,079,017 km (0.102 R)
• M22: 20,023,525 km (0.113 R)
• M23: 23,389,328 km (0.099 R)
• M24: 26,037,061 km (0.062 R)
• M25: 26,303,494 km (0.105 R)
• M26: 30,520,210 km (0.103 R)
• M27: 36,924,943 km (0.097 R)
• M28: 37,712,726 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.1

Radius: 4.6

Gravity: 19.9 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.54 AU - 9.84 AU

Year: 15897 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,482,971 km

• M1: 58,792 km (0.101 R)
• M2: 608,415 km (0.09 R)
• M3: 1,031,926 km (0.076 R)
• M4: 1,210,546 km (0.096 R)
• M5: 1,452,147 km (0.083 R)
• M6: 1,630,617 km (0.118 R)
• M7: 1,807,142 km (0.089 R)
• M8: 2,517,433 km (0.1 R)
• M9: 3,296,539 km (0.06 R)
• M10: 5,077,202 km (0.112 R)
• M11: 8,501,946 km (0.079 R)
• M12: 12,645,059 km (0.068 R)
• M13: 15,499,087 km (0.093 R)
• M14: 18,916,651 km (0.112 R)
• M15: 19,079,264 km (0.107 R)
• M16: 21,366,316 km (0.1 R)
• M17: 23,173,757 km (0.101 R)
• M18: 23,547,154 km (0.11 R)
• M19: 26,273,724 km (0.109 R)
• M20: 32,112,230 km (0.061 R)
• M21: 46,561,888 km (0.098 R)
• M22: 49,122,705 km (0.104 R)
• M23: 49,429,979 km (0.096 R)
• M24: 51,775,673 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125

Radius: 7.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.12 AU - 11.44 AU

Year: 22355 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,482,971 km

• M1: 97,239 km (0.095 R)
• M2: 403,914 km (0.116 R)
• M3: 1,158,336 km (0.079 R)
• M4: 2,426,477 km (0.116 R)
• M5: 5,067,179 km (0.117 R)
• M6: 6,069,784 km (0.081 R)
• M7: 6,769,902 km (0.085 R)
• M8: 7,646,246 km (0.112 R)
• M9: 9,006,689 km (0.09 R)
• M10: 10,015,577 km (0.094 R)
• M11: 12,029,314 km (0.096 R)
• M12: 13,798,908 km (0.056 R)
• M13: 20,700,755 km (0.059 R)
• M14: 21,355,694 km (0.114 R)
• M15: 22,024,397 km (0.117 R)
• M16: 34,024,839 km (0.066 R)
• M17: 36,571,443 km (0.115 R)
• M18: 39,118,198 km (0.107 R)
• M19: 43,090,171 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit