🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.8

Radius: 11.9

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.85 AU - 0.87 AU

Year: 541 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,131,566 km

• M1: 150,944 km (0.04 R)
• M2: 654,790 km (0.112 R)
• M3: 1,308,383 km (0.083 R)
• M4: 1,760,917 km (0.069 R)
• M5: 2,386,834 km (0.069 R)
• M6: 2,955,755 km (0.075 R)
• M7: 3,667,242 km (0.113 R)
• M8: 4,187,992 km (0.11 R)
• M9: 4,789,974 km (0.12 R)
• M10: 5,171,598 km (0.114 R)
• M11: 5,573,568 km (0.059 R)
• M12: 6,560,016 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 8.8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.98 AU - 1.02 AU

Year: 678 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,131,566 km

• M1: 109,506 km (0.083 R)
• M2: 477,816 km (0.073 R)
• M3: 819,497 km (0.109 R)
• M4: 1,214,585 km (0.098 R)
• M5: 1,662,182 km (0.118 R)
• M6: 1,974,094 km (0.047 R)
• M7: 2,695,604 km (0.115 R)
• M8: 3,216,953 km (0.105 R)
• M9: 4,783,392 km (0.12 R)
• M10: 6,018,173 km (0.115 R)
• M11: 6,392,766 km (0.114 R)
• M12: 6,699,292 km (0.077 R)
• M13: 7,058,626 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.4

Radius: 14.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.37 AU - 3.61 AU

Year: 4422 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 168.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,131,566 km

• M1: 177,872 km (0.12 R)
• M2: 703,409 km (0.089 R)
• M3: 1,371,364 km (0.093 R)
• M4: 1,925,025 km (0.063 R)
• M5: 2,417,502 km (0.1 R)
• M6: 3,579,877 km (0.076 R)
• M7: 4,125,311 km (0.119 R)
• M8: 4,675,981 km (0.112 R)
• M9: 6,195,147 km (0.056 R)
• M10: 7,807,662 km (0.068 R)
• M11: 8,465,444 km (0.051 R)
• M12: 8,963,306 km (0.074 R)
• M13: 9,602,987 km (0.097 R)
• M14: 10,315,820 km (0.058 R)
• M15: 14,262,063 km (0.036 R)
• M16: 15,986,028 km (0.072 R)
• M17: 17,536,012 km (0.092 R)
• M18: 23,155,357 km (0.065 R)
• M19: 24,747,228 km (0.112 R)
• M20: 27,229,056 km (0.083 R)
• M21: 27,727,965 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.1

Radius: 5.5

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.97 AU - 9.25 AU

Year: 14239 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,131,566 km

• M1: 68,366 km (0.06 R)
• M2: 420,968 km (0.082 R)
• M3: 878,738 km (0.078 R)
• M4: 2,068,939 km (0.113 R)
• M5: 2,803,165 km (0.065 R)
• M6: 3,044,915 km (0.047 R)
• M7: 3,300,578 km (0.12 R)
• M8: 4,498,857 km (0.099 R)
• M9: 7,673,473 km (0.104 R)
• M10: 8,060,034 km (0.116 R)
• M11: 16,705,295 km (0.068 R)
• M12: 17,870,662 km (0.095 R)
• M13: 18,625,982 km (0.118 R)
• M14: 20,119,418 km (0.116 R)
• M15: 21,186,050 km (0.076 R)
• M16: 27,484,719 km (0.084 R)
• M17: 29,833,555 km (0.076 R)
• M18: 37,188,235 km (0.102 R)
• M19: 38,417,182 km (0.048 R)
• M20: 39,293,526 km (0.111 R)
• M21: 40,183,035 km (0.109 R)
• M22: 44,970,616 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.7

Radius: 7.8

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.75 AU - 10.67 AU

Year: 18957 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,131,566 km

• M1: 96,939 km (0.063 R)
• M2: 1,513,781 km (0.053 R)
• M3: 2,273,289 km (0.093 R)
• M4: 2,645,040 km (0.086 R)
• M5: 3,006,169 km (0.071 R)
• M6: 3,538,887 km (0.118 R)
• M7: 4,453,678 km (0.05 R)
• M8: 6,028,345 km (0.073 R)
• M9: 7,942,749 km (0.12 R)
• M10: 11,122,153 km (0.115 R)
• M11: 12,259,546 km (0.085 R)
• M12: 12,856,591 km (0.074 R)
• M13: 23,070,385 km (0.072 R)
• M14: 30,421,924 km (0.051 R)
• M15: 33,650,545 km (0.072 R)
• M16: 40,488,365 km (0.091 R)
• M17: 48,197,292 km (0.097 R)
• M18: 51,707,307 km (0.059 R)
• M19: 52,050,335 km (0.119 R)
• M20: 53,262,527 km (0.057 R)
• M21: 57,011,898 km (0.072 R)
• M22: 60,173,200 km (0.11 R)
• M23: 61,316,278 km (0.084 R)
• M24: 62,862,671 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 7.8

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.2 AU - 11.3 AU

Year: 22258 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,131,566 km

• M1: 97,089 km (0.041 R)
• M2: 528,828 km (0.096 R)
• M3: 822,639 km (0.062 R)
• M4: 1,095,056 km (0.092 R)
• M5: 2,017,028 km (0.076 R)
• M6: 2,345,545 km (0.035 R)
• M7: 2,905,340 km (0.102 R)
• M8: 3,726,782 km (0.039 R)
• M9: 3,970,028 km (0.09 R)
• M10: 4,522,493 km (0.111 R)
• M11: 6,107,333 km (0.101 R)
• M12: 7,981,346 km (0.031 R)
• M13: 10,387,179 km (0.114 R)
• M14: 10,932,912 km (0.098 R)
• M15: 17,656,289 km (0.098 R)
• M16: 18,963,924 km (0.092 R)
• M17: 19,504,720 km (0.103 R)
• M18: 29,373,692 km (0.119 R)
• M19: 34,960,723 km (0.073 R)
• M20: 40,917,262 km (0.111 R)
• M21: 46,046,524 km (0.075 R)
• M22: 52,818,670 km (0.114 R)
• M23: 56,255,980 km (0.051 R)
• M24: 58,123,560 km (0.094 R)
• M25: 63,772,974 km (0.089 R)
• M26: 67,041,388 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 13,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit