🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 14.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.42 AU - 0.68 AU

Year: 272 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,959,901 km

• M1: 180,714 km (0.103 R)
• M2: 984,653 km (0.094 R)
• M3: 1,572,274 km (0.064 R)
• M4: 2,561,265 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45

Radius: 13.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.98 AU - 4.28 AU

Year: 5597 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,959,901 km

• M1: 168,447 km (0.117 R)
• M2: 2,052,932 km (0.064 R)
• M3: 2,980,887 km (0.084 R)
• M4: 4,334,150 km (0.077 R)
• M5: 6,109,727 km (0.106 R)
• M6: 7,238,443 km (0.038 R)
• M7: 7,852,841 km (0.035 R)
• M8: 8,300,438 km (0.117 R)
• M9: 9,278,060 km (0.092 R)
• M10: 9,906,969 km (0.107 R)
• M11: 10,903,740 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.4

Radius: 12.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.5 AU - 5.4 AU

Year: 6260 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,959,901 km

• M1: 150,645 km (0.078 R)
• M2: 835,205 km (0.105 R)
• M3: 1,220,419 km (0.117 R)
• M4: 2,900,254 km (0.1 R)
• M5: 4,896,638 km (0.066 R)
• M6: 6,430,614 km (0.058 R)
• M7: 7,271,504 km (0.091 R)
• M8: 9,739,420 km (0.047 R)
• M9: 11,784,572 km (0.089 R)
• M10: 13,817,607 km (0.109 R)
• M11: 21,157,328 km (0.102 R)
• M12: 23,653,817 km (0.114 R)
• M13: 24,805,571 km (0.103 R)
• M14: 26,866,282 km (0.103 R)
• M15: 28,210,718 km (0.057 R)
• M16: 31,521,767 km (0.081 R)
• M17: 33,423,455 km (0.11 R)
• M18: 34,872,909 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 9.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.34 AU - 5.72 AU

Year: 7523 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,959,901 km

• M1: 119,379 km (0.052 R)
• M2: 786,735 km (0.112 R)
• M3: 1,188,705 km (0.108 R)
• M4: 1,739,374 km (0.088 R)
• M5: 2,535,086 km (0.099 R)
• M6: 3,169,530 km (0.11 R)
• M7: 3,641,811 km (0.111 R)
• M8: 3,951,777 km (0.096 R)
• M9: 4,351,952 km (0.095 R)
• M10: 4,936,431 km (0.104 R)
• M11: 5,429,655 km (0.117 R)
• M12: 6,546,852 km (0.076 R)
• M13: 7,245,773 km (0.117 R)
• M14: 8,030,264 km (0.118 R)
• M15: 8,558,345 km (0.056 R)
• M16: 8,949,543 km (0.045 R)
• M17: 9,517,267 km (0.111 R)
• M18: 10,108,927 km (0.094 R)
• M19: 10,724,821 km (0.117 R)
• M20: 11,459,197 km (0.081 R)
• M21: 17,946,209 km (0.026 R)
• M22: 18,849,182 km (0.106 R)
• M23: 22,765,954 km (0.086 R)
• M24: 23,670,721 km (0.077 R)
• M25: 25,231,626 km (0.093 R)
• M26: 27,277,825 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496

Radius: 5.9

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.76 AU - 7.28 AU

Year: 11102 Days

Day: 22.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,959,901 km

• M1: 73,453 km (0.077 R)
• M2: 269,276 km (0.118 R)
• M3: 1,073,963 km (0.117 R)
• M4: 1,342,491 km (0.032 R)
• M5: 1,884,335 km (0.111 R)
• M6: 2,083,001 km (0.072 R)
• M7: 3,044,466 km (0.066 R)
• M8: 3,585,562 km (0.114 R)
• M9: 3,918,567 km (0.094 R)
• M10: 5,105,626 km (0.108 R)
• M11: 9,250,684 km (0.114 R)
• M12: 9,730,145 km (0.073 R)
• M13: 13,259,906 km (0.111 R)
• M14: 14,883,043 km (0.08 R)
• M15: 16,634,236 km (0.111 R)
• M16: 17,128,208 km (0.106 R)
• M17: 18,972,451 km (0.119 R)
• M18: 19,511,601 km (0.094 R)
• M19: 19,745,872 km (0.099 R)
• M20: 21,521,000 km (0.097 R)
• M21: 22,192,096 km (0.082 R)
• M22: 23,050,339 km (0.071 R)
• M23: 23,841,562 km (0.072 R)
• M24: 24,833,097 km (0.117 R)
• M25: 25,292,662 km (0.08 R)
• M26: 26,134,299 km (0.082 R)
• M27: 27,972,109 km (0.091 R)
• M28: 31,902,943 km (0.079 R)
• M29: 33,216,861 km (0.109 R)
• M30: 36,658,659 km (0.103 R)
• M31: 38,221,209 km (0.066 R)
• M32: 39,204,665 km (0.037 R)
• M33: 40,457,398 km (0.09 R)
• M34: 42,125,564 km (0.068 R)
• M35: 44,645,390 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.4

Radius: 4.8

Gravity: 35.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.45 AU - 10.23 AU

Year: 19035 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,959,901 km

• M1: 59,839 km (0.053 R)
• M2: 429,047 km (0.093 R)
• M3: 664,364 km (0.079 R)
• M4: 889,210 km (0.095 R)
• M5: 1,150,108 km (0.111 R)
• M6: 1,525,898 km (0.099 R)
• M7: 3,203,190 km (0.026 R)
• M8: 3,371,188 km (0.11 R)
• M9: 3,816,690 km (0.075 R)
• M10: 3,973,619 km (0.086 R)
• M11: 4,680,618 km (0.106 R)
• M12: 6,383,790 km (0.072 R)
• M13: 8,199,310 km (0.043 R)
• M14: 10,272,138 km (0.108 R)
• M15: 12,949,790 km (0.061 R)
• M16: 15,655,417 km (0.052 R)
• M17: 20,576,589 km (0.088 R)
• M18: 30,739,370 km (0.08 R)
• M19: 33,055,445 km (0.081 R)
• M20: 35,623,741 km (0.086 R)
• M21: 47,395,448 km (0.064 R)
• M22: 50,303,182 km (0.086 R)
• M23: 61,116,116 km (0.078 R)
• M24: 61,314,931 km (0.098 R)
• M25: 64,556,119 km (0.104 R)
• M26: 74,506,771 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 18,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit