🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 9.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,334,915 km

• M1: 123,119 km (0.08 R)
• M2: 492,476 km (0.026 R)
• M3: 841,039 km (0.099 R)
• M4: 1,188,705 km (0.102 R)
• M5: 1,541,905 km (0.114 R)
• M6: 1,854,415 km (0.086 R)
• M7: 2,283,163 km (0.109 R)
• M8: 3,142,602 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.7

Radius: 10.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.75 AU - 0.79 AU

Year: 466 Days

Day: 8 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,334,915 km

• M1: 134,339 km (0.12 R)
• M2: 536,159 km (0.069 R)
• M3: 889,808 km (0.116 R)
• M4: 1,406,818 km (0.03 R)
• M5: 1,873,564 km (0.085 R)
• M6: 2,684,085 km (0.112 R)
• M7: 3,066,008 km (0.066 R)
• M8: 5,639,989 km (0.058 R)
• M9: 6,178,242 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 12.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.4 AU - 1.66 AU

Year: 1306 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,334,915 km

• M1: 155,432 km (0.065 R)
• M2: 702,960 km (0.12 R)
• M3: 1,136,345 km (0.117 R)
• M4: 1,593,517 km (0.046 R)
• M5: 2,030,342 km (0.093 R)
• M6: 2,690,368 km (0.101 R)
• M7: 3,348,748 km (0.081 R)
• M8: 3,971,524 km (0.059 R)
• M9: 5,090,965 km (0.079 R)
• M10: 5,758,321 km (0.104 R)
• M11: 6,242,869 km (0.097 R)
• M12: 6,679,844 km (0.059 R)
• M13: 7,561,275 km (0.093 R)
• M14: 8,373,142 km (0.114 R)
• M15: 8,785,434 km (0.042 R)
• M16: 10,370,124 km (0.108 R)
• M17: 10,984,822 km (0.072 R)
• M18: 11,769,164 km (0.081 R)
• M19: 12,212,422 km (0.093 R)
• M20: 12,666,901 km (0.1 R)
• M21: 13,211,437 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 14.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.72 AU - 1.76 AU

Year: 1584 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,334,915 km

• M1: 185,352 km (0.067 R)
• M2: 808,726 km (0.063 R)
• M3: 1,281,755 km (0.056 R)
• M4: 1,819,260 km (0.097 R)
• M5: 2,658,803 km (0.096 R)
• M6: 3,429,980 km (0.109 R)
• M7: 3,894,332 km (0.105 R)
• M8: 4,437,522 km (0.116 R)
• M9: 6,033,432 km (0.12 R)
• M10: 6,691,363 km (0.12 R)
• M11: 7,660,608 km (0.068 R)
• M12: 8,838,990 km (0.084 R)
• M13: 10,330,032 km (0.109 R)
• M14: 11,519,036 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.61 AU - 1.93 AU

Year: 1625 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 178.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,334,915 km

• M1: 99,483 km (0.08 R)
• M2: 565,031 km (0.096 R)
• M3: 854,952 km (0.106 R)
• M4: 1,333,964 km (0.092 R)
• M5: 1,661,733 km (0.068 R)
• M6: 2,276,580 km (0.119 R)
• M7: 2,811,692 km (0.11 R)
• M8: 3,652,582 km (0.105 R)
• M9: 3,999,649 km (0.082 R)
• M10: 4,946,154 km (0.068 R)
• M11: 5,352,013 km (0.078 R)
• M12: 6,099,255 km (0.053 R)
• M13: 6,589,188 km (0.066 R)
• M14: 7,177,257 km (0.106 R)
• M15: 7,877,076 km (0.118 R)
• M16: 8,190,633 km (0.093 R)
• M17: 9,039,302 km (0.061 R)
• M18: 9,587,578 km (0.113 R)
• M19: 10,127,327 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 14.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.84 AU - 2.38 AU

Year: 2116 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,334,915 km

• M1: 181,612 km (0.104 R)
• M2: 671,994 km (0.115 R)
• M3: 2,222,576 km (0.058 R)
• M4: 2,707,273 km (0.09 R)
• M5: 3,165,491 km (0.071 R)
• M6: 3,693,871 km (0.048 R)
• M7: 4,162,860 km (0.093 R)
• M8: 4,778,605 km (0.099 R)
• M9: 6,481,627 km (0.068 R)
• M10: 7,312,045 km (0.101 R)
• M11: 7,783,278 km (0.108 R)
• M12: 9,051,419 km (0.096 R)
• M13: 9,665,219 km (0.038 R)
• M14: 12,695,025 km (0.108 R)
• M15: 13,465,304 km (0.099 R)
• M16: 13,951,198 km (0.061 R)
• M17: 15,005,265 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.7

Radius: 10.8

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.47 AU - 5.59 AU

Year: 8976 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,334,915 km

• M1: 134,339 km (0.058 R)
• M2: 536,757 km (0.11 R)
• M3: 1,142,778 km (0.086 R)
• M4: 1,743,264 km (0.029 R)
• M5: 2,389,527 km (0.03 R)
• M6: 3,235,652 km (0.113 R)
• M7: 5,214,982 km (0.027 R)
• M8: 6,001,418 km (0.074 R)
• M9: 8,607,861 km (0.104 R)
• M10: 11,551,648 km (0.11 R)
• M11: 12,765,785 km (0.073 R)
• M12: 16,135,626 km (0.114 R)
• M13: 19,022,865 km (0.066 R)
• M14: 19,735,101 km (0.11 R)
• M15: 21,212,679 km (0.118 R)
• M16: 22,939,637 km (0.116 R)
• M17: 24,019,733 km (0.093 R)
• M18: 26,769,492 km (0.118 R)
• M19: 30,040,000 km (0.078 R)
• M20: 34,258,810 km (0.082 R)
• M21: 35,669,069 km (0.118 R)
• M22: 37,609,054 km (0.096 R)
• M23: 38,983,111 km (0.101 R)
• M24: 41,830,856 km (0.083 R)
• M25: 46,500,404 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.2

Radius: 5.2

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.91 AU - 10.09 AU

Year: 21828 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,334,915 km

• M1: 65,973 km (0.097 R)
• M2: 262,544 km (0.091 R)
• M3: 692,189 km (0.115 R)
• M4: 936,333 km (0.096 R)
• M5: 2,599,562 km (0.054 R)
• M6: 3,117,620 km (0.09 R)
• M7: 3,730,073 km (0.058 R)
• M8: 4,612,551 km (0.029 R)
• M9: 4,946,753 km (0.101 R)
• M10: 6,165,377 km (0.067 R)
• M11: 6,571,086 km (0.115 R)
• M12: 7,256,993 km (0.109 R)
• M13: 8,084,269 km (0.077 R)
• M14: 8,972,731 km (0.086 R)
• M15: 10,312,230 km (0.087 R)
• M16: 10,710,011 km (0.066 R)
• M17: 11,236,296 km (0.059 R)
• M18: 12,026,771 km (0.12 R)
• M19: 13,247,789 km (0.112 R)
• M20: 15,561,171 km (0.064 R)
• M21: 15,933,669 km (0.063 R)
• M22: 18,961,530 km (0.051 R)
• M23: 19,991,960 km (0.106 R)
• M24: 21,149,997 km (0.113 R)
• M25: 21,791,623 km (0.118 R)
• M26: 22,635,654 km (0.081 R)
• M27: 23,892,874 km (0.102 R)
• M28: 26,970,402 km (0.105 R)
• M29: 28,162,098 km (0.104 R)
• M30: 30,187,055 km (0.092 R)
• M31: 31,117,404 km (0.083 R)
• M32: 34,398,534 km (0.117 R)
• M33: 41,638,024 km (0.092 R)
• M34: 52,949,418 km (0.086 R)
• M35: 56,546,200 km (0.095 R)
• M36: 59,212,782 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit