🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.5

Radius: 11

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 108.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,410,147 km

• M1: 136,882 km (0.085 R)
• M2: 525,687 km (0.068 R)
• M3: 1,002,306 km (0.108 R)
• M4: 1,364,482 km (0.088 R)
• M5: 1,741,319 km (0.078 R)
• M6: 2,136,856 km (0.111 R)
• M7: 3,068,701 km (0.061 R)
• M8: 3,433,870 km (0.055 R)
• M9: 3,983,791 km (0.078 R)
• M10: 4,462,355 km (0.042 R)
• M11: 4,948,548 km (0.086 R)
• M12: 5,469,897 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641

Radius: 8.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.65 AU - 1.01 AU

Year: 513 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,410,147 km

• M1: 100,829 km (0.091 R)
• M2: 378,632 km (0.106 R)
• M3: 955,781 km (0.077 R)
• M4: 1,299,407 km (0.05 R)
• M5: 1,786,647 km (0.043 R)
• M6: 2,184,578 km (0.088 R)
• M7: 2,558,872 km (0.109 R)
• M8: 3,704,342 km (0.107 R)
• M9: 5,143,175 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 14.3

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.48 AU - 1.7 AU

Year: 1360 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,410,147 km

• M1: 177,872 km (0.043 R)
• M2: 648,058 km (0.085 R)
• M3: 1,395,299 km (0.04 R)
• M4: 3,315,986 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 10.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.11 AU - 3.43 AU

Year: 3127 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,410,147 km

• M1: 243,396 km (0.113 R)
• M2: 921,822 km (0.108 R)
• M3: 1,279,511 km (0.055 R)
• M4: 2,790,599 km (0.058 R)
• M5: 4,982,207 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 14.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.33 AU - 5.51 AU

Year: 7402 Days

Day: 6.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,410,147 km

• M1: 181,761 km (0.055 R)
• M2: 726,896 km (0.075 R)
• M3: 1,236,875 km (0.098 R)
• M4: 1,909,617 km (0.06 R)
• M5: 2,839,068 km (0.106 R)
• M6: 3,643,606 km (0.111 R)
• M7: 4,148,349 km (0.081 R)
• M8: 4,647,856 km (0.11 R)
• M9: 5,272,128 km (0.096 R)
• M10: 6,426,425 km (0.112 R)
• M11: 6,994,748 km (0.099 R)
• M12: 9,191,892 km (0.116 R)
• M13: 10,630,425 km (0.114 R)
• M14: 11,141,900 km (0.075 R)
• M15: 12,014,355 km (0.043 R)
• M16: 16,763,489 km (0.117 R)
• M17: 18,501,965 km (0.118 R)
• M18: 20,930,836 km (0.091 R)
• M19: 25,743,849 km (0.096 R)
• M20: 26,329,824 km (0.082 R)
• M21: 29,851,058 km (0.09 R)
• M22: 31,059,959 km (0.025 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.4

Radius: 5.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.55 AU - 5.91 AU

Year: 9303 Days

Day: 22 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,410,147 km

• M1: 120,875 km (0.045 R)
• M2: 712,385 km (0.07 R)
• M3: 908,657 km (0.101 R)
• M4: 1,141,731 km (0.115 R)
• M5: 1,484,160 km (0.106 R)
• M6: 2,360,056 km (0.055 R)
• M7: 2,576,075 km (0.082 R)
• M8: 2,933,016 km (0.109 R)
• M9: 3,862,019 km (0.113 R)
• M10: 5,256,869 km (0.109 R)
• M11: 6,670,868 km (0.059 R)
• M12: 7,650,136 km (0.088 R)
• M13: 11,118,862 km (0.088 R)
• M14: 11,319,622 km (0.113 R)
• M15: 13,737,572 km (0.095 R)
• M16: 15,511,504 km (0.088 R)
• M17: 17,758,464 km (0.104 R)
• M18: 18,703,623 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.4

Radius: 6.3

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.43 AU - 6.07 AU

Year: 9352 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,410,147 km

• M1: 79,137 km (0.102 R)
• M2: 283,338 km (0.105 R)
• M3: 1,110,914 km (0.115 R)
• M4: 2,446,823 km (0.104 R)
• M5: 3,874,884 km (0.088 R)
• M6: 4,092,848 km (0.082 R)
• M7: 4,464,599 km (0.106 R)
• M8: 6,365,539 km (0.119 R)
• M9: 11,116,019 km (0.107 R)
• M10: 14,848,636 km (0.095 R)
• M11: 16,141,161 km (0.096 R)
• M12: 17,359,786 km (0.029 R)
• M13: 18,484,762 km (0.09 R)
• M14: 24,383,256 km (0.095 R)
• M15: 24,847,159 km (0.052 R)
• M16: 27,955,952 km (0.117 R)
• M17: 28,874,932 km (0.073 R)
• M18: 32,865,156 km (0.072 R)
• M19: 35,879,105 km (0.085 R)
• M20: 43,935,847 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.5

Radius: 3

Gravity: 39.06 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.45 AU - 8.39 AU

Year: 12347 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,410,147 km

• M1: 37,250 km (0.057 R)
• M2: 290,369 km (0.076 R)
• M3: 463,753 km (0.101 R)
• M4: 588,368 km (0.113 R)
• M5: 1,069,625 km (0.055 R)
• M6: 1,326,634 km (0.108 R)
• M7: 1,456,335 km (0.096 R)
• M8: 3,012,303 km (0.092 R)
• M9: 3,619,670 km (0.091 R)
• M10: 4,304,529 km (0.105 R)
• M11: 5,357,100 km (0.116 R)
• M12: 7,220,042 km (0.107 R)
• M13: 7,745,430 km (0.091 R)
• M14: 8,123,763 km (0.047 R)
• M15: 15,043,711 km (0.116 R)
• M16: 16,439,310 km (0.062 R)
• M17: 17,062,984 km (0.051 R)
• M18: 19,104,097 km (0.118 R)
• M19: 26,473,288 km (0.119 R)
• M20: 26,567,385 km (0.081 R)
• M21: 36,455,655 km (0.086 R)
• M22: 37,041,181 km (0.061 R)
• M23: 39,445,817 km (0.076 R)
• M24: 40,561,069 km (0.064 R)
• M25: 41,316,239 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.5

Radius: 3.9

Gravity: 56.57 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.94 AU - 10.58 AU

Year: 19112 Days

Day: 24 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,410,147 km

• M1: 51,312 km (0.075 R)
• M2: 248,781 km (0.092 R)
• M3: 991,983 km (0.103 R)
• M4: 1,248,095 km (0.115 R)
• M5: 1,777,223 km (0.07 R)
• M6: 2,010,147 km (0.057 R)
• M7: 2,155,107 km (0.085 R)
• M8: 2,374,268 km (0.084 R)
• M9: 2,681,392 km (0.054 R)
• M10: 3,177,160 km (0.099 R)
• M11: 3,951,179 km (0.062 R)
• M12: 4,080,581 km (0.026 R)
• M13: 4,555,854 km (0.119 R)
• M14: 4,698,121 km (0.097 R)
• M15: 5,988,403 km (0.069 R)
• M16: 6,737,290 km (0.076 R)
• M17: 8,851,856 km (0.083 R)
• M18: 10,058,662 km (0.061 R)
• M19: 13,878,793 km (0.12 R)
• M20: 14,103,040 km (0.119 R)
• M21: 15,822,219 km (0.113 R)
• M22: 15,985,131 km (0.104 R)
• M23: 16,397,273 km (0.097 R)
• M24: 17,676,185 km (0.1 R)
• M25: 20,047,910 km (0.11 R)
• M26: 21,309,618 km (0.066 R)
• M27: 21,909,356 km (0.083 R)
• M28: 23,038,072 km (0.118 R)
• M29: 23,883,001 km (0.101 R)
• M30: 26,541,205 km (0.116 R)
• M31: 31,398,648 km (0.047 R)
• M32: 33,765,436 km (0.056 R)
• M33: 49,453,914 km (0.1 R)
• M34: 52,467,115 km (0.112 R)
• M35: 71,359,830 km (0.048 R)
• M36: 72,475,232 km (0.028 R)
• M37: 73,150,068 km (0.108 R)
• M38: 76,586,780 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.9

Radius: 7.4

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.22 AU - 10.48 AU

Year: 22584 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,410,147 km

• M1: 99,632 km (0.1 R)
• M2: 335,698 km (0.12 R)
• M3: 572,062 km (0.087 R)
• M4: 1,161,179 km (0.04 R)
• M5: 1,774,680 km (0.089 R)
• M6: 2,380,401 km (0.113 R)
• M7: 2,610,483 km (0.079 R)
• M8: 4,666,706 km (0.049 R)
• M9: 5,609,172 km (0.088 R)
• M10: 6,583,204 km (0.093 R)
• M11: 10,977,641 km (0.118 R)
• M12: 13,122,276 km (0.074 R)
• M13: 14,749,153 km (0.057 R)
• M14: 14,981,030 km (0.102 R)
• M15: 16,840,083 km (0.109 R)
• M16: 21,205,498 km (0.066 R)
• M17: 21,699,620 km (0.087 R)
• M18: 24,935,721 km (0.108 R)
• M19: 34,201,065 km (0.068 R)
• M20: 36,547,957 km (0.11 R)
• M21: 37,977,364 km (0.076 R)
• M22: 53,828,306 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 18,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit