🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 8.1

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.55 AU - 0.65 AU

Year: 315 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,465,850 km

• M1: 101,876 km (0.08 R)
• M2: 444,455 km (0.092 R)
• M3: 757,264 km (0.069 R)
• M4: 1,088,773 km (0.077 R)
• M5: 1,352,365 km (0.117 R)
• M6: 1,680,283 km (0.057 R)
• M7: 1,996,384 km (0.095 R)
• M8: 2,316,373 km (0.045 R)
• M9: 2,820,069 km (0.114 R)
• M10: 3,114,478 km (0.101 R)
• M11: 3,429,531 km (0.058 R)
• M12: 3,778,094 km (0.034 R)
• M13: 4,689,295 km (0.099 R)
• M14: 4,998,364 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 10.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.21 AU - 1.21 AU

Year: 903 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,465,850 km

• M1: 127,009 km (0.096 R)
• M2: 500,106 km (0.117 R)
• M3: 877,840 km (0.081 R)
• M4: 1,288,337 km (0.102 R)
• M5: 1,736,981 km (0.111 R)
• M6: 2,352,875 km (0.102 R)
• M7: 2,766,513 km (0.106 R)
• M8: 3,134,823 km (0.088 R)
• M9: 3,593,939 km (0.111 R)
• M10: 3,986,783 km (0.091 R)
• M11: 4,358,085 km (0.09 R)
• M12: 5,226,950 km (0.101 R)
• M13: 5,956,538 km (0.079 R)
• M14: 7,094,978 km (0.096 R)
• M15: 8,039,689 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 9

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.56 AU - 2.44 AU

Year: 1918 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,465,850 km

• M1: 112,348 km (0.043 R)
• M2: 444,306 km (0.094 R)
• M3: 860,786 km (0.101 R)
• M4: 1,983,817 km (0.102 R)
• M5: 2,361,253 km (0.102 R)
• M6: 2,939,299 km (0.112 R)
• M7: 3,608,600 km (0.1 R)
• M8: 4,154,782 km (0.119 R)
• M9: 5,225,154 km (0.103 R)
• M10: 5,701,175 km (0.109 R)
• M11: 8,116,732 km (0.058 R)
• M12: 8,560,738 km (0.11 R)
• M13: 10,170,860 km (0.083 R)
• M14: 11,973,814 km (0.108 R)
• M15: 13,100,734 km (0.102 R)
• M16: 15,276,486 km (0.034 R)
• M17: 15,807,109 km (0.044 R)
• M18: 16,651,290 km (0.112 R)
• M19: 17,265,090 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 11.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.69 AU - 3.15 AU

Year: 3384 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,465,850 km

• M1: 147,204 km (0.09 R)
• M2: 596,896 km (0.093 R)
• M3: 1,021,903 km (0.025 R)
• M4: 1,522,009 km (0.101 R)
• M5: 2,156,154 km (0.073 R)
• M6: 3,226,527 km (0.051 R)
• M7: 3,727,081 km (0.048 R)
• M8: 4,234,817 km (0.111 R)
• M9: 5,209,447 km (0.11 R)
• M10: 5,790,934 km (0.107 R)
• M11: 6,386,184 km (0.079 R)
• M12: 7,866,604 km (0.053 R)
• M13: 8,561,785 km (0.109 R)
• M14: 10,275,579 km (0.103 R)
• M15: 12,528,672 km (0.052 R)
• M16: 13,092,058 km (0.113 R)
• M17: 14,169,013 km (0.111 R)
• M18: 18,405,774 km (0.084 R)
• M19: 20,199,602 km (0.112 R)
• M20: 22,653,755 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.04 AU - 3.4 AU

Year: 3919 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,465,850 km

• M1: 182,809 km (0.098 R)
• M2: 765,642 km (0.119 R)
• M3: 1,321,248 km (0.061 R)
• M4: 1,789,191 km (0.096 R)
• M5: 3,324,813 km (0.109 R)
• M6: 4,301,388 km (0.119 R)
• M7: 6,527,553 km (0.061 R)
• M8: 7,566,212 km (0.079 R)
• M9: 8,676,976 km (0.1 R)
• M10: 9,327,278 km (0.059 R)
• M11: 11,604,157 km (0.088 R)
• M12: 13,127,064 km (0.12 R)
• M13: 15,085,150 km (0.054 R)
• M14: 16,786,826 km (0.063 R)
• M15: 17,627,117 km (0.096 R)
• M16: 19,881,707 km (0.088 R)
• M17: 20,379,868 km (0.053 R)
• M18: 20,886,406 km (0.095 R)
• M19: 21,858,642 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44

Radius: 7.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.19 AU - 7.89 AU

Year: 11344 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 126.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,465,850 km

• M1: 92,003 km (0.094 R)
• M2: 510,428 km (0.092 R)
• M3: 1,838,707 km (0.109 R)
• M4: 2,089,134 km (0.103 R)
• M5: 2,785,213 km (0.096 R)
• M6: 3,475,607 km (0.091 R)
• M7: 5,216,029 km (0.118 R)
• M8: 5,490,541 km (0.101 R)
• M9: 6,014,283 km (0.112 R)
• M10: 8,013,808 km (0.108 R)
• M11: 9,656,543 km (0.075 R)
• M12: 12,194,321 km (0.105 R)
• M13: 18,426,269 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.1

Radius: 4.9

Gravity: 37.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.84 AU - 10.66 AU

Year: 22258 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,465,850 km

• M1: 65,524 km (0.114 R)
• M2: 290,818 km (0.078 R)
• M3: 469,887 km (0.067 R)
• M4: 664,514 km (0.028 R)
• M5: 900,729 km (0.071 R)
• M6: 1,120,638 km (0.113 R)
• M7: 1,508,844 km (0.057 R)
• M8: 1,687,314 km (0.105 R)
• M9: 1,940,584 km (0.083 R)
• M10: 3,828,808 km (0.064 R)
• M11: 4,163,010 km (0.093 R)
• M12: 5,825,939 km (0.101 R)
• M13: 6,044,203 km (0.053 R)
• M14: 7,420,054 km (0.057 R)
• M15: 7,728,824 km (0.07 R)
• M16: 8,317,043 km (0.044 R)
• M17: 9,402,525 km (0.102 R)
• M18: 11,850,994 km (0.043 R)
• M19: 12,272,860 km (0.113 R)
• M20: 13,146,511 km (0.1 R)
• M21: 13,598,596 km (0.066 R)
• M22: 14,374,859 km (0.107 R)
• M23: 15,510,906 km (0.095 R)
• M24: 18,893,613 km (0.062 R)
• M25: 23,718,294 km (0.082 R)
• M26: 24,275,396 km (0.119 R)
• M27: 28,421,501 km (0.089 R)
• M28: 33,990,431 km (0.101 R)
• M29: 35,996,988 km (0.087 R)
• M30: 40,877,169 km (0.103 R)
• M31: 43,309,332 km (0.057 R)
• M32: 43,973,845 km (0.113 R)
• M33: 47,398,589 km (0.09 R)
• M34: 47,927,268 km (0.066 R)
• M35: 51,924,224 km (0.082 R)
• M36: 55,160,774 km (0.074 R)
• M37: 66,769,718 km (0.074 R)
• M38: 83,950,735 km (0.052 R)
• M39: 86,285,808 km (0.093 R)
• M40: 87,601,521 km (0.073 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: 229 - 13,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit