🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 11.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.43 AU - 0.59 AU

Year: 247 Days

Day: 10 Hours

Environment

Temp: -142 °C

Axial Tilt: 94.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,129,393 km

• M1: 143,016 km (0.077 R)
• M2: 838,197 km (0.103 R)
• M3: 1,232,986 km (0.055 R)
• M4: 1,845,888 km (0.12 R)
• M5: 2,568,595 km (0.096 R)
• M6: 3,033,994 km (0.112 R)
• M7: 3,587,357 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.45 AU - 0.67 AU

Year: 284 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,129,393 km

• M1: 99,483 km (0.048 R)
• M2: 429,944 km (0.107 R)
• M3: 829,520 km (0.076 R)
• M4: 1,441,525 km (0.084 R)
• M5: 1,804,599 km (0.075 R)
• M6: 2,056,971 km (0.05 R)
• M7: 2,941,992 km (0.102 R)
• M8: 3,940,558 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 9.3

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,129,393 km

• M1: 115,639 km (0.075 R)
• M2: 417,976 km (0.114 R)
• M3: 1,036,264 km (0.056 R)
• M4: 1,406,519 km (0.085 R)
• M5: 1,735,784 km (0.12 R)
• M6: 2,328,042 km (0.039 R)
• M7: 3,016,491 km (0.053 R)
• M8: 3,938,613 km (0.106 R)
• M9: 5,194,487 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 11.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.77 AU - 0.93 AU

Year: 532 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,129,393 km

• M1: 147,055 km (0.094 R)
• M2: 537,056 km (0.081 R)
• M3: 906,862 km (0.093 R)
• M4: 1,282,203 km (0.032 R)
• M5: 1,713,943 km (0.054 R)
• M6: 2,542,565 km (0.113 R)
• M7: 3,070,197 km (0.07 R)
• M8: 3,501,189 km (0.039 R)
• M9: 3,895,529 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 8.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.91 AU - 1.27 AU

Year: 772 Days

Day: 6.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,129,393 km

• M1: 104,419 km (0.046 R)
• M2: 368,609 km (0.073 R)
• M3: 670,797 km (0.112 R)
• M4: 935,286 km (0.092 R)
• M5: 1,304,793 km (0.112 R)
• M6: 1,798,466 km (0.097 R)
• M7: 2,185,176 km (0.11 R)
• M8: 2,710,414 km (0.089 R)
• M9: 3,493,858 km (0.089 R)
• M10: 3,818,037 km (0.113 R)
• M11: 4,526,832 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 14.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.42 AU - 1.86 AU

Year: 1424 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,129,393 km

• M1: 175,628 km (0.11 R)
• M2: 648,507 km (0.096 R)
• M3: 1,296,714 km (0.119 R)
• M4: 1,956,142 km (0.116 R)
• M5: 2,426,926 km (0.097 R)
• M6: 3,571,200 km (0.065 R)
• M7: 4,174,229 km (0.116 R)
• M8: 4,744,796 km (0.108 R)
• M9: 5,259,562 km (0.057 R)
• M10: 5,880,692 km (0.097 R)
• M11: 7,458,351 km (0.039 R)
• M12: 9,621,985 km (0.107 R)
• M13: 11,041,819 km (0.072 R)
• M14: 12,138,670 km (0.05 R)
• M15: 13,712,590 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.9

Radius: 14.9

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.71 AU - 1.95 AU

Year: 1679 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,129,393 km

• M1: 185,352 km (0.082 R)
• M2: 923,318 km (0.106 R)
• M3: 1,491,192 km (0.099 R)
• M4: 2,365,142 km (0.093 R)
• M5: 4,992,829 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.2

Radius: 10.4

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.08 AU - 4.16 AU

Year: 5672 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,129,393 km

• M1: 130,599 km (0.065 R)
• M2: 634,445 km (0.05 R)
• M3: 978,220 km (0.079 R)
• M4: 1,373,009 km (0.083 R)
• M5: 4,488,086 km (0.09 R)
• M6: 5,009,584 km (0.077 R)
• M7: 5,629,368 km (0.096 R)
• M8: 6,268,151 km (0.037 R)
• M9: 7,726,431 km (0.117 R)
• M10: 8,171,036 km (0.09 R)
• M11: 8,671,889 km (0.083 R)
• M12: 12,020,937 km (0.071 R)
• M13: 12,618,730 km (0.118 R)
• M14: 14,145,376 km (0.045 R)
• M15: 16,387,848 km (0.055 R)
• M16: 20,146,345 km (0.072 R)
• M17: 21,930,449 km (0.071 R)
• M18: 29,404,957 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.6

Radius: 3.2

Gravity: 34.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.49 AU - 6.87 AU

Year: 9182 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,129,393 km

• M1: 51,162 km (0.057 R)
• M2: 324,927 km (0.044 R)
• M3: 527,482 km (0.054 R)
• M4: 653,892 km (0.105 R)
• M5: 922,271 km (0.114 R)
• M6: 1,363,734 km (0.106 R)
• M7: 1,770,341 km (0.035 R)
• M8: 2,088,386 km (0.113 R)
• M9: 2,625,742 km (0.118 R)
• M10: 4,401,469 km (0.09 R)
• M11: 6,191,557 km (0.109 R)
• M12: 6,600,108 km (0.119 R)
• M13: 7,320,422 km (0.105 R)
• M14: 7,854,786 km (0.097 R)
• M15: 8,292,509 km (0.108 R)
• M16: 8,662,614 km (0.069 R)
• M17: 10,021,711 km (0.072 R)
• M18: 10,394,210 km (0.063 R)
• M19: 10,775,983 km (0.091 R)
• M20: 11,822,271 km (0.082 R)
• M21: 12,663,609 km (0.061 R)
• M22: 14,405,677 km (0.048 R)
• M23: 15,364,449 km (0.117 R)
• M24: 22,653,456 km (0.099 R)
• M25: 23,375,116 km (0.091 R)
• M26: 26,503,208 km (0.101 R)
• M27: 27,756,090 km (0.097 R)
• M28: 33,470,728 km (0.08 R)
• M29: 33,780,695 km (0.087 R)
• M30: 35,465,616 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.7

Radius: 5.2

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.89 AU - 6.55 AU

Year: 9279 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,129,393 km

• M1: 101,876 km (0.097 R)
• M2: 625,917 km (0.091 R)
• M3: 922,121 km (0.075 R)
• M4: 1,178,831 km (0.097 R)
• M5: 1,352,814 km (0.061 R)
• M6: 1,659,340 km (0.069 R)
• M7: 2,881,255 km (0.084 R)
• M8: 5,446,709 km (0.027 R)
• M9: 6,582,905 km (0.079 R)
• M10: 8,137,077 km (0.12 R)
• M11: 8,651,394 km (0.079 R)
• M12: 10,053,874 km (0.116 R)
• M13: 19,314,431 km (0.072 R)
• M14: 26,489,295 km (0.063 R)
• M15: 27,968,220 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 13,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit