🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 13.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.91 AU - 0.99 AU

Year: 628 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,232,910 km

• M1: 171,589 km (0.078 R)
• M2: 753,076 km (0.083 R)
• M3: 1,844,392 km (0.076 R)
• M4: 2,746,916 km (0.042 R)
• M5: 5,172,945 km (0.101 R)
• M6: 5,608,125 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 8.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.99 AU - 1.13 AU

Year: 740 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,232,910 km

• M1: 109,506 km (0.117 R)
• M2: 576,401 km (0.103 R)
• M3: 899,981 km (0.106 R)
• M4: 1,481,019 km (0.095 R)
• M5: 1,901,389 km (0.039 R)
• M6: 2,209,261 km (0.052 R)
• M7: 3,134,524 km (0.05 R)
• M8: 4,039,442 km (0.038 R)
• M9: 5,515,823 km (0.066 R)
• M10: 6,767,508 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.8

Radius: 9.8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.42 AU

Year: 1029 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,232,910 km

• M1: 121,922 km (0.06 R)
• M2: 489,634 km (0.089 R)
• M3: 981,661 km (0.068 R)
• M4: 2,320,263 km (0.105 R)
• M5: 3,023,523 km (0.107 R)
• M6: 3,418,162 km (0.097 R)
• M7: 4,107,808 km (0.069 R)
• M8: 5,039,503 km (0.11 R)
• M9: 5,617,101 km (0.051 R)
• M10: 6,127,978 km (0.087 R)
• M11: 6,600,108 km (0.027 R)
• M12: 7,048,154 km (0.079 R)
• M13: 7,465,981 km (0.056 R)
• M14: 7,900,413 km (0.1 R)
• M15: 8,736,067 km (0.057 R)
• M16: 9,074,906 km (0.059 R)
• M17: 9,510,834 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 10.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.45 AU - 1.75 AU

Year: 1373 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,232,910 km

• M1: 133,142 km (0.106 R)
• M2: 726,896 km (0.04 R)
• M3: 1,105,827 km (0.083 R)
• M4: 1,588,281 km (0.043 R)
• M5: 2,608,388 km (0.105 R)
• M6: 4,398,028 km (0.113 R)
• M7: 5,350,667 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 9.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.58 AU - 2.36 AU

Year: 1875 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,232,910 km

• M1: 113,246 km (0.096 R)
• M2: 463,903 km (0.075 R)
• M3: 1,215,931 km (0.112 R)
• M4: 1,546,543 km (0.086 R)
• M5: 2,255,936 km (0.057 R)
• M6: 2,735,846 km (0.086 R)
• M7: 3,267,965 km (0.095 R)
• M8: 3,675,620 km (0.085 R)
• M9: 5,086,776 km (0.047 R)
• M10: 5,428,009 km (0.073 R)
• M11: 6,156,700 km (0.027 R)
• M12: 7,940,057 km (0.106 R)
• M13: 8,455,571 km (0.036 R)
• M14: 8,878,334 km (0.09 R)
• M15: 9,374,251 km (0.076 R)
• M16: 10,875,017 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 13.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.01 AU - 6.55 AU

Year: 8229 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,232,910 km

• M1: 189,391 km (0.03 R)
• M2: 635,641 km (0.054 R)
• M3: 1,277,715 km (0.102 R)
• M4: 2,731,807 km (0.092 R)
• M5: 3,322,270 km (0.086 R)
• M6: 6,367,783 km (0.106 R)
• M7: 6,919,350 km (0.12 R)
• M8: 7,868,250 km (0.107 R)
• M9: 10,134,508 km (0.112 R)
• M10: 11,121,405 km (0.11 R)
• M11: 11,760,038 km (0.088 R)
• M12: 13,375,246 km (0.085 R)
• M13: 15,621,309 km (0.115 R)
• M14: 17,999,915 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 14.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.29 AU - 6.69 AU

Year: 8725 Days

Day: 10.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,232,910 km

• M1: 177,872 km (0.098 R)
• M2: 736,620 km (0.056 R)
• M3: 1,530,536 km (0.115 R)
• M4: 2,413,313 km (0.083 R)
• M5: 3,365,354 km (0.089 R)
• M6: 6,038,069 km (0.044 R)
• M7: 7,623,059 km (0.069 R)
• M8: 12,779,398 km (0.077 R)
• M9: 15,266,463 km (0.101 R)
• M10: 16,291,358 km (0.103 R)
• M11: 22,387,321 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.6

Radius: 3.3

Gravity: 82.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.84 AU - 6.46 AU

Year: 9109 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 49,232,910 km

• M1: 44,730 km (0.104 R)
• M2: 265,985 km (0.077 R)
• M3: 593,904 km (0.099 R)
• M4: 809,624 km (0.076 R)
• M5: 998,566 km (0.041 R)
• M6: 1,382,584 km (0.117 R)
• M7: 1,907,074 km (0.068 R)
• M8: 2,186,522 km (0.094 R)
• M9: 3,608,001 km (0.091 R)
• M10: 3,844,067 km (0.054 R)
• M11: 4,202,952 km (0.1 R)
• M12: 5,019,009 km (0.061 R)
• M13: 5,181,023 km (0.077 R)
• M14: 6,227,011 km (0.107 R)
• M15: 7,159,305 km (0.086 R)
• M16: 7,531,654 km (0.106 R)
• M17: 8,136,329 km (0.052 R)
• M18: 9,055,458 km (0.107 R)
• M19: 9,589,373 km (0.108 R)
• M20: 10,613,371 km (0.075 R)
• M21: 10,988,412 km (0.072 R)
• M22: 11,595,481 km (0.078 R)
• M23: 14,377,253 km (0.065 R)
• M24: 15,783,174 km (0.108 R)
• M25: 15,921,552 km (0.118 R)
• M26: 16,201,001 km (0.05 R)
• M27: 16,412,682 km (0.116 R)
• M28: 17,647,313 km (0.115 R)
• M29: 18,249,295 km (0.107 R)
• M30: 19,653,271 km (0.118 R)
• M31: 19,974,756 km (0.094 R)
• M32: 20,299,833 km (0.117 R)
• M33: 24,757,999 km (0.075 R)
• M34: 27,163,832 km (0.092 R)
• M35: 27,663,040 km (0.042 R)
• M36: 30,250,933 km (0.05 R)
• M37: 31,003,560 km (0.091 R)
• M38: 35,544,454 km (0.082 R)
• M39: 39,993,046 km (0.085 R)
• M40: 40,638,710 km (0.045 R)
• M41: 41,029,610 km (0.095 R)
• M42: 47,195,585 km (0.111 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: 249 - 14,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit