🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 9.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.7 AU - 1.16 AU

Year: 608 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,693,397 km

• M1: 117,434 km (0.074 R)
• M2: 475,721 km (0.117 R)
• M3: 885,171 km (0.057 R)
• M4: 1,194,389 km (0.115 R)
• M5: 2,221,828 km (0.045 R)
• M6: 2,584,752 km (0.104 R)
• M7: 3,126,895 km (0.078 R)
• M8: 3,440,751 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 14.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.53 AU - 2.31 AU

Year: 1804 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,693,397 km

• M1: 177,872 km (0.04 R)
• M2: 725,101 km (0.116 R)
• M3: 1,584,690 km (0.12 R)
• M4: 2,136,557 km (0.106 R)
• M5: 2,929,126 km (0.032 R)
• M6: 3,539,486 km (0.106 R)
• M7: 4,016,703 km (0.064 R)
• M8: 4,793,714 km (0.106 R)
• M9: 5,293,820 km (0.071 R)
• M10: 5,828,782 km (0.091 R)
• M11: 6,904,091 km (0.106 R)
• M12: 8,608,759 km (0.101 R)
• M13: 9,511,433 km (0.086 R)
• M14: 10,035,923 km (0.106 R)
• M15: 11,214,904 km (0.092 R)
• M16: 12,757,258 km (0.055 R)
• M17: 13,477,422 km (0.116 R)
• M18: 13,972,441 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 12.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.59 AU - 5.33 AU

Year: 7492 Days

Day: 7.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,693,397 km

• M1: 158,125 km (0.091 R)
• M2: 671,844 km (0.099 R)
• M3: 1,379,442 km (0.069 R)
• M4: 2,113,968 km (0.075 R)
• M5: 3,114,328 km (0.116 R)
• M6: 4,526,532 km (0.078 R)
• M7: 5,389,562 km (0.087 R)
• M8: 7,645,349 km (0.116 R)
• M9: 12,832,057 km (0.076 R)
• M10: 14,555,723 km (0.078 R)
• M11: 17,364,274 km (0.068 R)
• M12: 24,031,103 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838

Radius: 5.1

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.15 AU - 6.43 AU

Year: 9450 Days

Day: 23.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,693,397 km

• M1: 63,429 km (0.071 R)
• M2: 229,782 km (0.119 R)
• M3: 391,049 km (0.082 R)
• M4: 595,549 km (0.116 R)
• M5: 1,012,478 km (0.114 R)
• M6: 1,355,058 km (0.111 R)
• M7: 3,125,100 km (0.114 R)
• M8: 6,797,578 km (0.088 R)
• M9: 8,044,326 km (0.046 R)
• M10: 9,002,949 km (0.055 R)
• M11: 9,387,416 km (0.112 R)
• M12: 9,832,918 km (0.07 R)
• M13: 10,189,111 km (0.084 R)
• M14: 10,712,704 km (0.104 R)
• M15: 11,870,441 km (0.106 R)
• M16: 12,927,201 km (0.099 R)
• M17: 19,639,657 km (0.08 R)
• M18: 21,197,270 km (0.057 R)
• M19: 21,963,211 km (0.056 R)
• M20: 24,463,740 km (0.114 R)
• M21: 25,686,702 km (0.1 R)
• M22: 26,071,019 km (0.08 R)
• M23: 27,646,734 km (0.103 R)
• M24: 28,253,802 km (0.044 R)
• M25: 32,866,054 km (0.066 R)
• M26: 33,432,880 km (0.111 R)
• M27: 35,290,586 km (0.097 R)
• M28: 36,728,372 km (0.085 R)
• M29: 37,461,551 km (0.094 R)
• M30: 40,752,106 km (0.076 R)
• M31: 45,478,949 km (0.067 R)
• M32: 46,608,413 km (0.055 R)
• M33: 47,467,704 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.4

Radius: 5.1

Gravity: 31.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.15 AU - 10.89 AU

Year: 19923 Days

Day: 16.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,693,397 km

• M1: 63,429 km (0.062 R)
• M2: 299,196 km (0.088 R)
• M3: 533,616 km (0.088 R)
• M4: 820,844 km (0.108 R)
• M5: 1,044,492 km (0.071 R)
• M6: 1,220,419 km (0.099 R)
• M7: 2,373,669 km (0.111 R)
• M8: 4,247,682 km (0.044 R)
• M9: 4,629,007 km (0.065 R)
• M10: 4,994,923 km (0.11 R)
• M11: 5,301,599 km (0.109 R)
• M12: 6,563,906 km (0.089 R)
• M13: 7,073,287 km (0.066 R)
• M14: 8,328,263 km (0.05 R)
• M15: 8,542,038 km (0.116 R)
• M16: 8,759,404 km (0.073 R)
• M17: 9,036,310 km (0.08 R)
• M18: 10,633,716 km (0.09 R)
• M19: 11,730,867 km (0.065 R)
• M20: 15,074,229 km (0.111 R)
• M21: 15,633,127 km (0.065 R)
• M22: 15,795,291 km (0.119 R)
• M23: 18,185,416 km (0.071 R)
• M24: 18,364,934 km (0.084 R)
• M25: 20,904,208 km (0.088 R)
• M26: 28,196,356 km (0.09 R)
• M27: 28,678,660 km (0.032 R)
• M28: 29,659,573 km (0.095 R)
• M29: 31,818,121 km (0.056 R)
• M30: 37,886,708 km (0.119 R)
• M31: 38,769,784 km (0.091 R)
• M32: 43,551,381 km (0.094 R)
• M33: 46,000,148 km (0.06 R)
• M34: 54,636,733 km (0.102 R)
• M35: 57,481,785 km (0.092 R)
• M36: 59,235,371 km (0.113 R)
• M37: 65,548,401 km (0.08 R)
• M38: 66,394,228 km (0.098 R)
• M39: 69,631,077 km (0.102 R)
• M40: 70,070,446 km (0.036 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 11,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit