🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 14.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.14 AU - 1.44 AU

Year: 961 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,502,274 km

• M1: 179,218 km (0.114 R)
• M2: 823,087 km (0.12 R)
• M3: 2,027,650 km (0.041 R)
• M4: 3,106,101 km (0.093 R)
• M5: 4,620,779 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 12.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.36 AU - 5.6 AU

Year: 6221 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,502,274 km

• M1: 155,283 km (0.072 R)
• M2: 547,678 km (0.116 R)
• M3: 1,782,907 km (0.099 R)
• M4: 2,371,575 km (0.071 R)
• M5: 3,872,790 km (0.1 R)
• M6: 4,450,686 km (0.11 R)
• M7: 5,932,304 km (0.112 R)
• M8: 7,007,613 km (0.06 R)
• M9: 7,831,149 km (0.111 R)
• M10: 8,678,023 km (0.042 R)
• M11: 9,415,690 km (0.057 R)
• M12: 10,554,279 km (0.118 R)
• M13: 12,179,211 km (0.07 R)
• M14: 13,156,834 km (0.109 R)
• M15: 14,522,064 km (0.05 R)
• M16: 15,502,827 km (0.11 R)
• M17: 16,712,775 km (0.094 R)
• M18: 17,213,928 km (0.093 R)
• M19: 17,984,656 km (0.113 R)
• M20: 24,196,558 km (0.114 R)
• M21: 25,000,647 km (0.111 R)
• M22: 27,174,902 km (0.093 R)
• M23: 28,396,518 km (0.097 R)
• M24: 30,761,810 km (0.089 R)
• M25: 31,610,329 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 11.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.94 AU - 5.1 AU

Year: 7378 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,502,274 km

• M1: 166,652 km (0.074 R)
• M2: 737,518 km (0.066 R)
• M3: 1,684,023 km (0.096 R)
• M4: 2,679,747 km (0.044 R)
• M5: 4,725,348 km (0.034 R)
• M6: 6,774,390 km (0.101 R)
• M7: 7,517,293 km (0.062 R)
• M8: 9,672,250 km (0.041 R)
• M9: 16,436,019 km (0.071 R)
• M10: 22,305,043 km (0.094 R)
• M11: 25,210,832 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 14.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.45 AU - 6.57 AU

Year: 8485 Days

Day: 11.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,502,274 km

• M1: 176,675 km (0.107 R)
• M2: 623,075 km (0.066 R)
• M3: 1,302,549 km (0.067 R)
• M4: 2,158,847 km (0.112 R)
• M5: 2,665,984 km (0.082 R)
• M6: 3,320,624 km (0.086 R)
• M7: 5,076,753 km (0.092 R)
• M8: 7,349,145 km (0.044 R)
• M9: 7,957,859 km (0.117 R)
• M10: 8,821,637 km (0.101 R)
• M11: 9,557,060 km (0.027 R)
• M12: 11,150,576 km (0.066 R)
• M13: 12,344,816 km (0.05 R)
• M14: 14,922,986 km (0.064 R)
• M15: 15,968,077 km (0.073 R)
• M16: 16,577,239 km (0.101 R)
• M17: 18,350,722 km (0.116 R)
• M18: 18,794,579 km (0.075 R)
• M19: 19,703,835 km (0.038 R)
• M20: 20,483,688 km (0.1 R)
• M21: 25,237,759 km (0.119 R)
• M22: 26,157,936 km (0.065 R)
• M23: 26,720,723 km (0.106 R)
• M24: 30,063,786 km (0.117 R)
• M25: 30,577,805 km (0.116 R)
• M26: 36,162,293 km (0.106 R)
• M27: 40,117,362 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.8

Radius: 4

Gravity: 59.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.03 AU - 8.49 AU

Year: 12833 Days

Day: 20.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 61,502,274 km

• M1: 49,966 km (0.031 R)
• M2: 338,241 km (0.108 R)
• M3: 768,185 km (0.112 R)
• M4: 1,572,124 km (0.062 R)
• M5: 1,769,743 km (0.078 R)
• M6: 2,316,224 km (0.072 R)
• M7: 2,800,472 km (0.093 R)
• M8: 3,705,240 km (0.098 R)
• M9: 3,936,668 km (0.073 R)
• M10: 4,116,485 km (0.03 R)
• M11: 4,590,111 km (0.096 R)
• M12: 5,029,181 km (0.049 R)
• M13: 7,334,335 km (0.115 R)
• M14: 8,866,666 km (0.117 R)
• M15: 9,176,034 km (0.114 R)
• M16: 9,980,871 km (0.118 R)
• M17: 12,355,288 km (0.075 R)
• M18: 12,741,101 km (0.061 R)
• M19: 13,002,748 km (0.094 R)
• M20: 14,154,951 km (0.073 R)
• M21: 16,274,752 km (0.094 R)
• M22: 18,017,418 km (0.109 R)
• M23: 18,347,132 km (0.087 R)
• M24: 22,718,232 km (0.052 R)
• M25: 24,383,406 km (0.102 R)
• M26: 27,300,564 km (0.053 R)
• M27: 33,319,485 km (0.087 R)
• M28: 36,372,927 km (0.098 R)
• M29: 38,645,319 km (0.117 R)
• M30: 38,781,902 km (0.105 R)
• M31: 40,727,422 km (0.096 R)
• M32: 41,580,728 km (0.096 R)
• M33: 43,176,040 km (0.057 R)
• M34: 51,436,984 km (0.114 R)
• M35: 52,266,654 km (0.073 R)
• M36: 52,768,704 km (0.102 R)
• M37: 53,612,735 km (0.055 R)
• M38: 54,981,705 km (0.07 R)
• M39: 56,373,714 km (0.066 R)
• M40: 58,146,598 km (0.107 R)
• M41: 58,325,966 km (0.111 R)
• M42: 60,875,263 km (0.098 R)
• M43: 62,740,898 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.5

Radius: 5.5

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.08 AU - 9.32 AU

Year: 14017 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,502,274 km

• M1: 68,516 km (0.114 R)
• M2: 386,561 km (0.085 R)
• M3: 796,609 km (0.045 R)
• M4: 1,613,712 km (0.067 R)
• M5: 2,461,783 km (0.116 R)
• M6: 3,205,434 km (0.046 R)
• M7: 3,466,033 km (0.045 R)
• M8: 4,587,419 km (0.082 R)
• M9: 5,445,662 km (0.093 R)
• M10: 6,652,318 km (0.12 R)
• M11: 11,031,497 km (0.118 R)
• M12: 13,538,159 km (0.076 R)
• M13: 15,283,966 km (0.079 R)
• M14: 15,872,783 km (0.096 R)
• M15: 17,891,457 km (0.115 R)
• M16: 26,930,010 km (0.042 R)
• M17: 28,334,136 km (0.083 R)
• M18: 35,195,442 km (0.081 R)
• M19: 35,450,058 km (0.062 R)
• M20: 37,929,792 km (0.1 R)
• M21: 40,662,496 km (0.084 R)
• M22: 55,964,264 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 14,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit