🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 14.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 724 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,502,422 km

• M1: 176,077 km (0.12 R)
• M2: 617,989 km (0.077 R)
• M3: 1,067,830 km (0.116 R)
• M4: 1,532,181 km (0.086 R)
• M5: 1,983,967 km (0.066 R)
• M6: 2,585,201 km (0.099 R)
• M7: 3,042,671 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 13.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.54 AU - 2.82 AU

Year: 3084 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,502,422 km

• M1: 170,392 km (0.038 R)
• M2: 680,820 km (0.095 R)
• M3: 1,167,462 km (0.094 R)
• M4: 1,737,430 km (0.065 R)
• M5: 2,619,908 km (0.066 R)
• M6: 3,490,866 km (0.041 R)
• M7: 3,916,921 km (0.076 R)
• M8: 4,633,046 km (0.118 R)
• M9: 10,144,232 km (0.114 R)
• M10: 12,492,619 km (0.119 R)
• M11: 14,184,870 km (0.084 R)
• M12: 16,535,202 km (0.11 R)
• M13: 17,426,656 km (0.07 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.6

Radius: 7.6

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.81 AU - 6.71 AU

Year: 11010 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,502,422 km

• M1: 95,593 km (0.039 R)
• M2: 462,407 km (0.083 R)
• M3: 1,031,328 km (0.085 R)
• M4: 1,669,213 km (0.058 R)
• M5: 1,915,601 km (0.063 R)
• M6: 2,361,402 km (0.114 R)
• M7: 3,780,937 km (0.082 R)
• M8: 4,608,213 km (0.1 R)
• M9: 5,768,793 km (0.081 R)
• M10: 7,197,902 km (0.09 R)
• M11: 9,920,732 km (0.085 R)
• M12: 10,188,213 km (0.095 R)
• M13: 12,137,025 km (0.101 R)
• M14: 12,505,036 km (0.032 R)
• M15: 16,982,799 km (0.118 R)
• M16: 18,875,212 km (0.115 R)
• M17: 21,700,817 km (0.031 R)
• M18: 25,389,152 km (0.112 R)
• M19: 29,255,659 km (0.09 R)
• M20: 30,929,061 km (0.103 R)
• M21: 34,221,710 km (0.09 R)
• M22: 35,327,836 km (0.083 R)
• M23: 40,533,244 km (0.068 R)
• M24: 41,080,323 km (0.043 R)
• M25: 41,632,339 km (0.06 R)
• M26: 42,751,182 km (0.114 R)
• M27: 56,071,825 km (0.042 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 4.3

Gravity: 28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.66 AU - 7.94 AU

Year: 12464 Days

Day: 18.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,502,422 km

• M1: 60,138 km (0.089 R)
• M2: 301,739 km (0.11 R)
• M3: 871,557 km (0.111 R)
• M4: 1,260,212 km (0.115 R)
• M5: 1,515,127 km (0.103 R)
• M6: 2,074,324 km (0.11 R)
• M7: 2,530,298 km (0.103 R)
• M8: 3,238,345 km (0.073 R)
• M9: 4,211,778 km (0.061 R)
• M10: 5,264,947 km (0.086 R)
• M11: 5,675,294 km (0.082 R)
• M12: 6,406,230 km (0.1 R)
• M13: 6,913,666 km (0.079 R)
• M14: 7,156,762 km (0.033 R)
• M15: 8,550,416 km (0.111 R)
• M16: 8,689,692 km (0.112 R)
• M17: 9,020,602 km (0.102 R)
• M18: 9,164,964 km (0.095 R)
• M19: 12,093,342 km (0.105 R)
• M20: 14,380,095 km (0.113 R)
• M21: 15,044,160 km (0.069 R)
• M22: 18,364,635 km (0.085 R)
• M23: 19,705,780 km (0.08 R)
• M24: 20,359,073 km (0.075 R)
• M25: 21,026,579 km (0.1 R)
• M26: 23,842,909 km (0.092 R)
• M27: 27,704,179 km (0.073 R)
• M28: 29,676,029 km (0.103 R)
• M29: 31,962,034 km (0.107 R)
• M30: 35,547,147 km (0.064 R)
• M31: 37,374,335 km (0.088 R)
• M32: 37,622,518 km (0.114 R)
• M33: 38,122,325 km (0.119 R)
• M34: 41,082,418 km (0.101 R)
• M35: 44,748,463 km (0.085 R)
• M36: 48,038,569 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.2

Radius: 7.6

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.43 AU - 7.79 AU

Year: 14757 Days

Day: 16.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,502,422 km

• M1: 94,546 km (0.073 R)
• M2: 401,820 km (0.119 R)
• M3: 1,324,839 km (0.099 R)
• M4: 2,928,079 km (0.084 R)
• M5: 4,059,488 km (0.094 R)
• M6: 5,272,128 km (0.067 R)
• M7: 7,565,763 km (0.098 R)
• M8: 7,995,707 km (0.085 R)
• M9: 8,492,522 km (0.037 R)
• M10: 9,492,882 km (0.1 R)
• M11: 12,896,982 km (0.102 R)
• M12: 13,372,853 km (0.084 R)
• M13: 15,318,373 km (0.104 R)
• M14: 16,635,882 km (0.119 R)
• M15: 17,527,635 km (0.073 R)
• M16: 21,890,058 km (0.111 R)
• M17: 22,763,111 km (0.071 R)
• M18: 24,994,663 km (0.091 R)
• M19: 36,314,734 km (0.094 R)
• M20: 40,207,270 km (0.117 R)
• M21: 46,395,386 km (0.109 R)
• M22: 50,631,699 km (0.099 R)
• M23: 55,118,887 km (0.057 R)
• M24: 67,075,945 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 13,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit