🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 8.9

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.1 AU - 1.3 AU

Year: 892 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,950,874 km

• M1: 110,702 km (0.07 R)
• M2: 389,403 km (0.086 R)
• M3: 794,065 km (0.071 R)
• M4: 1,119,890 km (0.091 R)
• M5: 1,633,758 km (0.098 R)
• M6: 1,926,821 km (0.069 R)
• M7: 2,395,062 km (0.113 R)
• M8: 3,105,053 km (0.098 R)
• M9: 3,856,334 km (0.077 R)
• M10: 4,382,320 km (0.11 R)
• M11: 5,307,583 km (0.118 R)
• M12: 6,751,502 km (0.111 R)
• M13: 7,161,699 km (0.105 R)
• M14: 7,468,225 km (0.089 R)
• M15: 7,758,894 km (0.067 R)
• M16: 8,703,305 km (0.108 R)
• M17: 9,467,451 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.5

Radius: 13.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.49 AU - 2.23 AU

Year: 1721 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,950,874 km

• M1: 171,439 km (0.093 R)
• M2: 658,380 km (0.1 R)
• M3: 1,226,553 km (0.085 R)
• M4: 1,936,993 km (0.091 R)
• M5: 3,268,115 km (0.081 R)
• M6: 3,743,836 km (0.069 R)
• M7: 4,710,239 km (0.117 R)
• M8: 5,230,241 km (0.108 R)
• M9: 6,834,678 km (0.098 R)
• M10: 8,556,699 km (0.075 R)
• M11: 9,536,116 km (0.039 R)
• M12: 10,017,971 km (0.109 R)
• M13: 13,218,318 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 8.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.62 AU - 2.38 AU

Year: 1918 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,950,874 km

• M1: 132,394 km (0.114 R)
• M2: 619,934 km (0.052 R)
• M3: 915,988 km (0.086 R)
• M4: 1,230,891 km (0.104 R)
• M5: 1,637,349 km (0.105 R)
• M6: 2,552,888 km (0.077 R)
• M7: 2,872,878 km (0.109 R)
• M8: 3,310,750 km (0.076 R)
• M9: 3,911,685 km (0.08 R)
• M10: 4,660,273 km (0.06 R)
• M11: 4,977,271 km (0.066 R)
• M12: 5,287,387 km (0.063 R)
• M13: 5,810,680 km (0.1 R)
• M14: 6,659,798 km (0.033 R)
• M15: 8,001,242 km (0.115 R)
• M16: 8,750,578 km (0.047 R)
• M17: 9,420,477 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 9.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.11 AU - 2.53 AU

Year: 2397 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,950,874 km

• M1: 122,670 km (0.098 R)
• M2: 516,262 km (0.114 R)
• M3: 1,269,787 km (0.092 R)
• M4: 1,804,898 km (0.098 R)
• M5: 4,393,540 km (0.107 R)
• M6: 4,752,724 km (0.073 R)
• M7: 5,354,557 km (0.099 R)
• M8: 6,410,568 km (0.086 R)
• M9: 6,812,388 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.8

Radius: 9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.35 AU - 2.69 AU

Year: 2713 Days

Day: 11.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,950,874 km

• M1: 112,348 km (0.073 R)
• M2: 474,076 km (0.101 R)
• M3: 781,948 km (0.079 R)
• M4: 1,160,730 km (0.08 R)
• M5: 1,495,979 km (0.099 R)
• M6: 1,803,702 km (0.053 R)
• M7: 2,549,447 km (0.063 R)
• M8: 2,897,112 km (0.094 R)
• M9: 3,670,085 km (0.103 R)
• M10: 4,278,350 km (0.046 R)
• M11: 4,574,254 km (0.107 R)
• M12: 4,906,511 km (0.071 R)
• M13: 6,292,685 km (0.11 R)
• M14: 7,134,322 km (0.047 R)
• M15: 7,705,038 km (0.12 R)
• M16: 9,074,756 km (0.028 R)
• M17: 9,817,360 km (0.07 R)
• M18: 13,064,980 km (0.112 R)
• M19: 18,478,329 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.9

Radius: 3.9

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.54 AU - 9.54 AU

Year: 18435 Days

Day: 22.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,950,874 km

• M1: 51,761 km (0.049 R)
• M2: 1,091,167 km (0.104 R)
• M3: 1,248,394 km (0.119 R)
• M4: 1,581,100 km (0.099 R)
• M5: 10,873,222 km (0.065 R)
• M6: 11,181,992 km (0.088 R)
• M7: 11,817,035 km (0.118 R)
• M8: 15,810,550 km (0.047 R)
• M9: 19,019,275 km (0.03 R)
• M10: 38,864,779 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.9

Radius: 4.7

Gravity: 44.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.35 AU - 12.05 AU

Year: 20490 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,950,874 km

• M1: 58,642 km (0.102 R)
• M2: 291,865 km (0.087 R)
• M3: 441,763 km (0.094 R)
• M4: 829,221 km (0.097 R)
• M5: 1,865,485 km (0.091 R)
• M6: 2,244,118 km (0.115 R)
• M7: 3,473,663 km (0.088 R)
• M8: 5,017,064 km (0.111 R)
• M9: 5,788,091 km (0.111 R)
• M10: 7,161,549 km (0.116 R)
• M11: 8,571,509 km (0.101 R)
• M12: 10,470,205 km (0.085 R)
• M13: 11,050,795 km (0.113 R)
• M14: 11,927,139 km (0.07 R)
• M15: 12,135,828 km (0.092 R)
• M16: 13,068,122 km (0.047 R)
• M17: 15,813,841 km (0.091 R)
• M18: 16,405,800 km (0.11 R)
• M19: 18,827,191 km (0.036 R)
• M20: 20,171,926 km (0.041 R)
• M21: 20,767,326 km (0.103 R)
• M22: 27,380,150 km (0.119 R)
• M23: 28,603,412 km (0.061 R)
• M24: 30,505,848 km (0.106 R)
• M25: 40,349,089 km (0.038 R)
• M26: 50,645,761 km (0.092 R)
• M27: 51,559,953 km (0.116 R)
• M28: 52,485,067 km (0.058 R)
• M29: 52,858,164 km (0.037 R)
• M30: 53,045,460 km (0.112 R)
• M31: 56,883,693 km (0.066 R)
• M32: 58,269,567 km (0.063 R)
• M33: 59,071,562 km (0.101 R)
• M34: 60,084,339 km (0.082 R)
• M35: 63,192,085 km (0.114 R)
• M36: 64,251,388 km (0.118 R)
• M37: 65,322,359 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 15,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit