🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 14.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.42 AU - 0.64 AU

Year: 266 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,086,045 km

• M1: 181,612 km (0.111 R)
• M2: 674,088 km (0.112 R)
• M3: 1,322,146 km (0.115 R)
• M4: 1,978,731 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,086,045 km

• M1: 175,329 km (0.053 R)
• M2: 665,411 km (0.113 R)
• M3: 1,452,446 km (0.034 R)
• M4: 1,909,766 km (0.12 R)
• M5: 2,528,054 km (0.1 R)
• M6: 3,002,579 km (0.11 R)
• M7: 3,456,608 km (0.081 R)
• M8: 4,160,167 km (0.104 R)
• M9: 4,615,992 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 14

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.78 AU - 0.9 AU

Year: 531 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,086,045 km

• M1: 174,282 km (0.097 R)
• M2: 659,128 km (0.096 R)
• M3: 1,261,260 km (0.116 R)
• M4: 1,699,133 km (0.11 R)
• M5: 2,143,139 km (0.106 R)
• M6: 2,648,780 km (0.116 R)
• M7: 3,396,171 km (0.04 R)
• M8: 3,927,991 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.3

Radius: 8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.11 AU - 1.39 AU

Year: 965 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,086,045 km

• M1: 99,483 km (0.048 R)
• M2: 418,724 km (0.092 R)
• M3: 752,776 km (0.113 R)
• M4: 1,042,398 km (0.025 R)
• M5: 1,479,523 km (0.037 R)
• M6: 1,761,964 km (0.087 R)
• M7: 2,071,332 km (0.077 R)
• M8: 2,385,787 km (0.071 R)
• M9: 2,653,417 km (0.088 R)
• M10: 3,262,730 km (0.073 R)
• M11: 4,992,979 km (0.099 R)
• M12: 5,580,300 km (0.081 R)
• M13: 6,828,544 km (0.032 R)
• M14: 7,688,882 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 12

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.34 AU - 1.64 AU

Year: 1255 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,086,045 km

• M1: 149,897 km (0.098 R)
• M2: 523,144 km (0.075 R)
• M3: 896,241 km (0.081 R)
• M4: 1,287,738 km (0.047 R)
• M5: 1,693,597 km (0.088 R)
• M6: 2,437,398 km (0.095 R)
• M7: 2,878,861 km (0.097 R)
• M8: 3,373,582 km (0.06 R)
• M9: 3,761,339 km (0.096 R)
• M10: 4,336,842 km (0.098 R)
• M11: 4,854,451 km (0.094 R)
• M12: 5,686,514 km (0.061 R)
• M13: 7,426,487 km (0.069 R)
• M14: 8,114,936 km (0.029 R)
• M15: 10,117,753 km (0.116 R)
• M16: 10,535,280 km (0.032 R)
• M17: 10,964,327 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 10.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.71 AU - 4.41 AU

Year: 5647 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,086,045 km

• M1: 131,048 km (0.114 R)
• M2: 471,832 km (0.109 R)
• M3: 935,884 km (0.074 R)
• M4: 1,327,532 km (0.031 R)
• M5: 2,026,752 km (0.088 R)
• M6: 2,358,111 km (0.066 R)
• M7: 2,987,170 km (0.116 R)
• M8: 3,743,088 km (0.053 R)
• M9: 4,287,325 km (0.073 R)
• M10: 5,086,776 km (0.084 R)
• M11: 6,059,761 km (0.08 R)
• M12: 6,536,230 km (0.081 R)
• M13: 7,008,959 km (0.045 R)
• M14: 7,534,347 km (0.063 R)
• M15: 9,338,348 km (0.07 R)
• M16: 10,640,298 km (0.065 R)
• M17: 11,374,375 km (0.075 R)
• M18: 16,404,753 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 10.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.96 AU - 5.3 AU

Year: 6877 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,086,045 km

• M1: 130,599 km (0.109 R)
• M2: 823,686 km (0.098 R)
• M3: 1,185,862 km (0.06 R)
• M4: 1,980,975 km (0.115 R)
• M5: 2,417,502 km (0.107 R)
• M6: 2,762,773 km (0.114 R)
• M7: 3,162,050 km (0.085 R)
• M8: 3,881,466 km (0.052 R)
• M9: 4,228,982 km (0.097 R)
• M10: 4,817,500 km (0.114 R)
• M11: 5,551,577 km (0.073 R)
• M12: 6,494,792 km (0.105 R)
• M13: 7,353,334 km (0.102 R)
• M14: 9,078,646 km (0.099 R)
• M15: 10,385,084 km (0.109 R)
• M16: 12,547,222 km (0.061 R)
• M17: 15,236,394 km (0.063 R)
• M18: 16,297,192 km (0.078 R)
• M19: 19,057,273 km (0.081 R)
• M20: 20,660,064 km (0.068 R)
• M21: 23,392,170 km (0.075 R)
• M22: 26,978,181 km (0.094 R)
• M23: 29,372,794 km (0.115 R)
• M24: 32,815,490 km (0.097 R)
• M25: 33,950,788 km (0.064 R)
• M26: 34,475,428 km (0.084 R)
• M27: 35,218,929 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.8

Radius: 7.8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.49 AU - 7.25 AU

Year: 11097 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,086,045 km

• M1: 97,239 km (0.117 R)
• M2: 1,190,649 km (0.026 R)
• M3: 1,862,643 km (0.106 R)
• M4: 3,853,492 km (0.041 R)
• M5: 5,399,885 km (0.12 R)
• M6: 6,459,935 km (0.072 R)
• M7: 10,676,351 km (0.106 R)
• M8: 11,049,000 km (0.064 R)
• M9: 13,347,870 km (0.07 R)
• M10: 14,032,131 km (0.104 R)
• M11: 14,609,130 km (0.03 R)
• M12: 25,080,532 km (0.097 R)
• M13: 28,593,539 km (0.116 R)
• M14: 34,921,379 km (0.098 R)
• M15: 35,624,938 km (0.061 R)
• M16: 43,862,544 km (0.077 R)
• M17: 45,928,790 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 4.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.01 AU - 8.19 AU

Year: 13059 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,086,045 km

• M1: 102,325 km (0.072 R)
• M2: 324,927 km (0.106 R)
• M3: 557,252 km (0.102 R)
• M4: 1,009,038 km (0.062 R)
• M5: 1,164,619 km (0.113 R)
• M6: 2,649,827 km (0.062 R)
• M7: 2,928,229 km (0.046 R)
• M8: 3,637,472 km (0.1 R)
• M9: 4,293,010 km (0.107 R)
• M10: 4,935,832 km (0.119 R)
• M11: 6,067,241 km (0.096 R)
• M12: 7,285,117 km (0.114 R)
• M13: 7,790,908 km (0.098 R)
• M14: 8,487,435 km (0.095 R)
• M15: 10,003,310 km (0.075 R)
• M16: 18,721,276 km (0.08 R)
• M17: 19,741,683 km (0.119 R)
• M18: 23,355,369 km (0.067 R)
• M19: 25,492,824 km (0.09 R)
• M20: 28,699,304 km (0.086 R)
• M21: 35,020,862 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit