🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 14.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.99 AU - 2.41 AU

Year: 2141 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 176.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,636,672 km

• M1: 180,415 km (0.041 R)
• M2: 716,424 km (0.075 R)
• M3: 1,434,045 km (0.093 R)
• M4: 1,915,152 km (0.105 R)
• M5: 2,866,894 km (0.103 R)
• M6: 4,115,138 km (0.055 R)
• M7: 9,909,213 km (0.091 R)
• M8: 10,935,006 km (0.096 R)
• M9: 11,955,114 km (0.101 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419

Radius: 6.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.4 AU - 7.78 AU

Year: 11098 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,636,672 km

• M1: 86,019 km (0.074 R)
• M2: 352,602 km (0.075 R)
• M3: 622,327 km (0.08 R)
• M4: 1,498,821 km (0.062 R)
• M5: 1,781,561 km (0.04 R)
• M6: 2,344,797 km (0.079 R)
• M7: 2,956,054 km (0.065 R)
• M8: 3,357,126 km (0.094 R)
• M9: 9,071,316 km (0.069 R)
• M10: 10,063,598 km (0.071 R)
• M11: 10,611,276 km (0.073 R)
• M12: 20,584,069 km (0.083 R)
• M13: 24,350,644 km (0.056 R)
• M14: 27,869,335 km (0.094 R)
• M15: 32,030,400 km (0.091 R)
• M16: 35,098,652 km (0.105 R)
• M17: 35,780,669 km (0.086 R)
• M18: 36,355,723 km (0.107 R)
• M19: 36,703,688 km (0.07 R)
• M20: 40,555,235 km (0.029 R)
• M21: 42,450,041 km (0.077 R)
• M22: 43,094,509 km (0.082 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 4

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.96 AU - 8.88 AU

Year: 13259 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,636,672 km

• M1: 49,816 km (0.092 R)
• M2: 229,334 km (0.051 R)
• M3: 385,215 km (0.054 R)
• M4: 605,423 km (0.115 R)
• M5: 859,889 km (0.116 R)
• M6: 1,022,053 km (0.075 R)
• M7: 1,635,554 km (0.074 R)
• M8: 2,283,312 km (0.116 R)
• M9: 3,377,322 km (0.088 R)
• M10: 3,564,618 km (0.111 R)
• M11: 5,740,220 km (0.083 R)
• M12: 8,074,246 km (0.113 R)
• M13: 10,472,300 km (0.088 R)
• M14: 10,921,692 km (0.06 R)
• M15: 13,421,771 km (0.111 R)
• M16: 14,191,901 km (0.106 R)
• M17: 16,678,667 km (0.083 R)
• M18: 17,988,994 km (0.12 R)
• M19: 21,284,037 km (0.108 R)
• M20: 21,682,267 km (0.104 R)
• M21: 21,842,935 km (0.117 R)
• M22: 22,575,515 km (0.105 R)
• M23: 23,324,552 km (0.096 R)
• M24: 23,747,764 km (0.111 R)
• M25: 24,089,895 km (0.094 R)
• M26: 26,486,303 km (0.074 R)
• M27: 26,669,860 km (0.112 R)
• M28: 27,132,566 km (0.07 R)
• M29: 27,319,114 km (0.09 R)
• M30: 32,685,938 km (0.115 R)
• M31: 33,109,300 km (0.11 R)
• M32: 34,401,377 km (0.051 R)
• M33: 38,714,283 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.7

Radius: 4

Gravity: 61.86 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.65 AU - 10.67 AU

Year: 16718 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 129 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 38,636,672 km

• M1: 66,272 km (0.09 R)
• M2: 287,078 km (0.103 R)
• M3: 606,769 km (0.113 R)
• M4: 895,642 km (0.104 R)
• M5: 1,039,705 km (0.098 R)
• M6: 2,344,199 km (0.104 R)
• M7: 3,320,325 km (0.099 R)
• M8: 3,549,658 km (0.091 R)
• M9: 3,728,577 km (0.057 R)
• M10: 4,040,190 km (0.093 R)
• M11: 4,369,006 km (0.107 R)
• M12: 5,345,581 km (0.039 R)
• M13: 10,962,083 km (0.093 R)
• M14: 13,517,664 km (0.076 R)
• M15: 15,636,568 km (0.06 R)
• M16: 16,444,097 km (0.087 R)
• M17: 17,278,853 km (0.07 R)
• M18: 17,793,171 km (0.111 R)
• M19: 18,141,584 km (0.026 R)
• M20: 19,214,351 km (0.071 R)
• M21: 19,673,616 km (0.06 R)
• M22: 27,932,166 km (0.084 R)
• M23: 29,846,122 km (0.083 R)
• M24: 34,468,696 km (0.057 R)
• M25: 37,516,304 km (0.045 R)
• M26: 39,546,197 km (0.113 R)
• M27: 41,343,616 km (0.102 R)
• M28: 45,910,390 km (0.105 R)
• M29: 48,399,250 km (0.077 R)
• M30: 49,762,685 km (0.076 R)
• M31: 49,934,872 km (0.069 R)
• M32: 52,387,828 km (0.093 R)
• M33: 52,744,619 km (0.057 R)
• M34: 54,553,257 km (0.119 R)
• M35: 55,658,037 km (0.063 R)
• M36: 57,722,039 km (0.073 R)
• M37: 58,869,156 km (0.113 R)
• M38: 59,836,456 km (0.103 R)
• M39: 62,201,448 km (0.12 R)
• M40: 73,840,312 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.7

Radius: 6.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.89 AU - 10.85 AU

Year: 20342 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,636,672 km

• M1: 79,586 km (0.087 R)
• M2: 554,859 km (0.097 R)
• M3: 797,057 km (0.117 R)
• M4: 1,954,496 km (0.12 R)
• M5: 2,195,349 km (0.079 R)
• M6: 3,039,380 km (0.117 R)
• M7: 3,319,427 km (0.064 R)
• M8: 4,560,491 km (0.101 R)
• M9: 5,254,625 km (0.069 R)
• M10: 6,321,108 km (0.066 R)
• M11: 16,151,484 km (0.083 R)
• M12: 16,938,518 km (0.117 R)
• M13: 23,842,161 km (0.049 R)
• M14: 26,176,486 km (0.069 R)
• M15: 26,534,773 km (0.068 R)
• M16: 36,815,438 km (0.101 R)
• M17: 37,378,225 km (0.077 R)
• M18: 37,718,710 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 16,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit