🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 11.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,327,692 km

• M1: 138,079 km (0.097 R)
• M2: 484,248 km (0.113 R)
• M3: 964,607 km (0.069 R)
• M4: 1,331,571 km (0.114 R)
• M5: 1,892,712 km (0.073 R)
• M6: 2,395,810 km (0.114 R)
• M7: 2,840,265 km (0.029 R)
• M8: 3,801,282 km (0.112 R)
• M9: 4,241,997 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 12.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.45 AU - 1.93 AU

Year: 1490 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,327,692 km

• M1: 162,314 km (0.118 R)
• M2: 622,926 km (0.093 R)
• M3: 1,354,459 km (0.029 R)
• M4: 1,861,746 km (0.068 R)
• M5: 2,407,479 km (0.051 R)
• M6: 3,103,258 km (0.117 R)
• M7: 3,507,621 km (0.066 R)
• M8: 4,539,398 km (0.119 R)
• M9: 5,340,644 km (0.118 R)
• M10: 7,772,058 km (0.076 R)
• M11: 8,406,054 km (0.08 R)
• M12: 8,888,657 km (0.108 R)
• M13: 9,453,538 km (0.082 R)
• M14: 10,690,413 km (0.027 R)
• M15: 12,375,185 km (0.107 R)
• M16: 14,272,983 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 12.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.57 AU - 2.27 AU

Year: 1804 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,327,692 km

• M1: 154,983 km (0.075 R)
• M2: 635,492 km (0.091 R)
• M3: 1,088,773 km (0.114 R)
• M4: 2,005,359 km (0.114 R)
• M5: 2,602,704 km (0.096 R)
• M6: 3,154,421 km (0.104 R)
• M7: 3,929,786 km (0.041 R)
• M8: 4,494,369 km (0.117 R)
• M9: 5,023,945 km (0.091 R)
• M10: 5,571,324 km (0.097 R)
• M11: 7,718,652 km (0.068 R)
• M12: 8,863,973 km (0.103 R)
• M13: 9,596,703 km (0.079 R)
• M14: 10,994,845 km (0.104 R)
• M15: 12,079,430 km (0.107 R)
• M16: 12,647,902 km (0.086 R)
• M17: 15,288,753 km (0.095 R)
• M18: 16,245,282 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 13.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.7 AU - 2.9 AU

Year: 3178 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,327,692 km

• M1: 170,093 km (0.05 R)
• M2: 658,231 km (0.12 R)
• M3: 1,237,324 km (0.09 R)
• M4: 1,990,549 km (0.042 R)
• M5: 2,661,346 km (0.113 R)
• M6: 3,363,708 km (0.102 R)
• M7: 4,344,173 km (0.058 R)
• M8: 5,779,415 km (0.094 R)
• M9: 7,346,303 km (0.102 R)
• M10: 8,158,320 km (0.047 R)
• M11: 8,622,672 km (0.095 R)
• M12: 9,881,538 km (0.104 R)
• M13: 11,434,812 km (0.048 R)
• M14: 12,714,473 km (0.047 R)
• M15: 14,810,189 km (0.118 R)
• M16: 15,666,039 km (0.064 R)
• M17: 18,070,076 km (0.112 R)
• M18: 19,995,700 km (0.111 R)
• M19: 21,917,584 km (0.066 R)
• M20: 22,818,014 km (0.115 R)
• M21: 23,455,749 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.5

Radius: 10.1

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.86 AU - 3.7 AU

Year: 4029 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,327,692 km

• M1: 125,662 km (0.097 R)
• M2: 479,461 km (0.036 R)
• M3: 1,241,214 km (0.111 R)
• M4: 2,226,764 km (0.091 R)
• M5: 2,747,215 km (0.098 R)
• M6: 3,251,061 km (0.075 R)
• M7: 3,627,300 km (0.085 R)
• M8: 5,088,721 km (0.081 R)
• M9: 5,794,075 km (0.096 R)
• M10: 7,739,147 km (0.089 R)
• M11: 9,088,370 km (0.057 R)
• M12: 9,677,935 km (0.032 R)
• M13: 11,108,539 km (0.079 R)
• M14: 12,917,627 km (0.073 R)
• M15: 13,815,513 km (0.112 R)
• M16: 16,015,649 km (0.113 R)
• M17: 16,992,972 km (0.088 R)
• M18: 17,646,116 km (0.099 R)
• M19: 18,070,525 km (0.087 R)
• M20: 18,563,749 km (0.056 R)
• M21: 19,771,453 km (0.101 R)
• M22: 20,229,372 km (0.091 R)
• M23: 22,696,839 km (0.037 R)
• M24: 23,635,117 km (0.064 R)
• M25: 24,002,829 km (0.116 R)
• M26: 24,674,374 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 12.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.76 AU - 4.04 AU

Year: 4252 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,327,692 km

• M1: 151,692 km (0.109 R)
• M2: 555,158 km (0.088 R)
• M3: 1,099,844 km (0.104 R)
• M4: 1,629,869 km (0.107 R)
• M5: 2,096,764 km (0.107 R)
• M6: 2,699,643 km (0.101 R)
• M7: 3,146,342 km (0.108 R)
• M8: 3,739,947 km (0.093 R)
• M9: 4,385,312 km (0.12 R)
• M10: 4,910,999 km (0.074 R)
• M11: 5,427,560 km (0.113 R)
• M12: 6,117,207 km (0.051 R)
• M13: 7,260,433 km (0.078 R)
• M14: 9,108,117 km (0.101 R)
• M15: 10,676,351 km (0.058 R)
• M16: 14,489,451 km (0.063 R)
• M17: 15,296,981 km (0.103 R)
• M18: 16,294,649 km (0.093 R)
• M19: 20,037,737 km (0.045 R)
• M20: 20,786,475 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888

Radius: 5.6

Gravity: 28.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.34 AU - 6.7 AU

Year: 10018 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,327,692 km

• M1: 70,012 km (0.117 R)
• M2: 260,450 km (0.036 R)
• M3: 506,838 km (0.06 R)
• M4: 1,305,092 km (0.086 R)
• M5: 1,913,656 km (0.11 R)
• M6: 2,759,782 km (0.053 R)
• M7: 3,241,636 km (0.1 R)
• M8: 4,053,055 km (0.078 R)
• M9: 5,357,848 km (0.107 R)
• M10: 7,001,779 km (0.113 R)
• M11: 7,207,625 km (0.105 R)
• M12: 8,027,123 km (0.1 R)
• M13: 8,252,716 km (0.11 R)
• M14: 10,802,313 km (0.066 R)
• M15: 12,166,047 km (0.093 R)
• M16: 13,198,871 km (0.032 R)
• M17: 13,962,268 km (0.098 R)
• M18: 15,368,488 km (0.091 R)
• M19: 17,087,966 km (0.077 R)
• M20: 20,232,214 km (0.073 R)
• M21: 21,765,144 km (0.099 R)
• M22: 23,100,305 km (0.117 R)
• M23: 24,868,851 km (0.12 R)
• M24: 25,156,079 km (0.116 R)
• M25: 27,841,660 km (0.093 R)
• M26: 28,883,010 km (0.1 R)
• M27: 29,734,671 km (0.106 R)
• M28: 29,950,092 km (0.085 R)
• M29: 31,153,906 km (0.084 R)
• M30: 32,389,734 km (0.11 R)
• M31: 34,127,014 km (0.06 R)
• M32: 35,198,584 km (0.114 R)
• M33: 50,929,398 km (0.025 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 12,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit