🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 10.6

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 561 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,407,279 km

• M1: 131,796 km (0.105 R)
• M2: 480,658 km (0.116 R)
• M3: 893,398 km (0.084 R)
• M4: 2,037,523 km (0.095 R)
• M5: 2,431,713 km (0.119 R)
• M6: 2,797,031 km (0.05 R)
• M7: 3,707,933 km (0.116 R)
• M8: 4,285,381 km (0.07 R)
• M9: 5,141,679 km (0.048 R)
• M10: 5,475,132 km (0.082 R)
• M11: 6,244,514 km (0.096 R)
• M12: 6,645,287 km (0.09 R)
• M13: 7,084,357 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 9.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.85 AU - 1.21 AU

Year: 665 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,407,279 km

• M1: 114,442 km (0.106 R)
• M2: 423,362 km (0.11 R)
• M3: 837,000 km (0.075 R)
• M4: 1,167,761 km (0.057 R)
• M5: 1,560,007 km (0.118 R)
• M6: 1,937,741 km (0.089 R)
• M7: 2,595,523 km (0.076 R)
• M8: 3,129,887 km (0.107 R)
• M9: 3,556,839 km (0.098 R)
• M10: 4,022,238 km (0.093 R)
• M11: 4,527,879 km (0.1 R)
• M12: 5,030,677 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 14.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.93 AU - 2.01 AU

Year: 1758 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,407,279 km

• M1: 186,698 km (0.115 R)
• M2: 713,283 km (0.098 R)
• M3: 1,745,508 km (0.058 R)
• M4: 2,219,284 km (0.108 R)
• M5: 2,720,288 km (0.09 R)
• M6: 3,338,576 km (0.075 R)
• M7: 3,878,474 km (0.077 R)
• M8: 7,038,580 km (0.036 R)
• M9: 8,111,047 km (0.055 R)
• M10: 8,930,394 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 13.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.76 AU - 2.56 AU

Year: 2018 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,407,279 km

• M1: 171,439 km (0.083 R)
• M2: 720,164 km (0.082 R)
• M3: 1,590,674 km (0.069 R)
• M4: 2,530,747 km (0.049 R)
• M5: 3,165,042 km (0.114 R)
• M6: 4,055,449 km (0.085 R)
• M7: 6,166,873 km (0.105 R)
• M8: 6,630,028 km (0.095 R)
• M9: 7,368,742 km (0.07 R)
• M10: 7,988,825 km (0.099 R)
• M11: 8,540,542 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.9

Radius: 8.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.01 AU - 4.17 AU

Year: 4325 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,407,279 km

• M1: 100,829 km (0.061 R)
• M2: 374,743 km (0.037 R)
• M3: 646,861 km (0.103 R)
• M4: 1,491,491 km (0.093 R)
• M5: 1,927,419 km (0.112 R)
• M6: 3,273,201 km (0.099 R)
• M7: 5,048,330 km (0.062 R)
• M8: 5,333,314 km (0.088 R)
• M9: 6,032,235 km (0.06 R)
• M10: 7,554,543 km (0.113 R)
• M11: 8,045,673 km (0.087 R)
• M12: 11,227,171 km (0.114 R)
• M13: 12,570,260 km (0.049 R)
• M14: 14,189,358 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215

Radius: 5.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.32 AU - 7.68 AU

Year: 10537 Days

Day: 24.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,407,279 km

• M1: 72,106 km (0.064 R)
• M2: 275,110 km (0.06 R)
• M3: 555,158 km (0.065 R)
• M4: 818,899 km (0.106 R)
• M5: 1,270,684 km (0.051 R)
• M6: 1,948,363 km (0.088 R)
• M7: 2,637,710 km (0.036 R)
• M8: 2,823,510 km (0.107 R)
• M9: 3,242,534 km (0.081 R)
• M10: 3,888,348 km (0.072 R)
• M11: 5,255,224 km (0.092 R)
• M12: 6,437,496 km (0.03 R)
• M13: 7,415,267 km (0.095 R)
• M14: 8,093,843 km (0.066 R)
• M15: 8,328,861 km (0.07 R)
• M16: 8,609,058 km (0.114 R)
• M17: 13,004,842 km (0.103 R)
• M18: 14,905,633 km (0.057 R)
• M19: 15,140,800 km (0.084 R)
• M20: 15,378,362 km (0.115 R)
• M21: 17,434,585 km (0.084 R)
• M22: 21,257,259 km (0.063 R)
• M23: 23,481,480 km (0.044 R)
• M24: 23,799,974 km (0.104 R)
• M25: 28,206,828 km (0.049 R)
• M26: 29,757,560 km (0.036 R)
• M27: 31,750,802 km (0.053 R)
• M28: 33,730,131 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.8

Radius: 6.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6 AU - 7.46 AU

Year: 11101 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,407,279 km

• M1: 81,830 km (0.116 R)
• M2: 841,338 km (0.047 R)
• M3: 1,902,436 km (0.04 R)
• M4: 2,313,531 km (0.089 R)
• M5: 3,106,101 km (0.109 R)
• M6: 3,329,899 km (0.081 R)
• M7: 4,334,748 km (0.115 R)
• M8: 6,119,899 km (0.027 R)
• M9: 7,308,454 km (0.103 R)
• M10: 8,881,027 km (0.086 R)
• M11: 9,333,262 km (0.108 R)
• M12: 12,205,989 km (0.096 R)
• M13: 12,940,515 km (0.083 R)
• M14: 15,026,657 km (0.094 R)
• M15: 16,849,208 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.6

Radius: 3.7

Gravity: 16.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.64 AU - 9.04 AU

Year: 16711 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,407,279 km

• M1: 46,076 km (0.109 R)
• M2: 175,927 km (0.107 R)
• M3: 311,912 km (0.11 R)
• M4: 506,838 km (0.108 R)
• M5: 823,835 km (0.09 R)
• M6: 1,481,318 km (0.047 R)
• M7: 2,432,611 km (0.095 R)
• M8: 4,186,796 km (0.076 R)
• M9: 8,057,641 km (0.108 R)
• M10: 8,541,739 km (0.065 R)
• M11: 15,676,810 km (0.112 R)
• M12: 19,216,146 km (0.045 R)
• M13: 26,363,633 km (0.114 R)
• M14: 28,018,185 km (0.085 R)
• M15: 29,534,360 km (0.115 R)
• M16: 30,891,960 km (0.101 R)
• M17: 32,509,412 km (0.093 R)
• M18: 42,620,882 km (0.105 R)
• M19: 43,016,419 km (0.074 R)
• M20: 45,715,314 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 17,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit