🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 9.8

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.23 AU - 1.25 AU

Year: 892 Days

Day: 13.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,748,290 km

• M1: 122,072 km (0.095 R)
• M2: 626,217 km (0.041 R)
• M3: 1,066,782 km (0.118 R)
• M4: 2,678,101 km (0.107 R)
• M5: 3,802,179 km (0.082 R)
• M6: 4,409,846 km (0.104 R)
• M7: 5,673,948 km (0.049 R)
• M8: 7,045,312 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.2

Radius: 12.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.27 AU - 3.31 AU

Year: 3009 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,748,290 km

• M1: 157,975 km (0.095 R)
• M2: 574,905 km (0.085 R)
• M3: 1,013,526 km (0.116 R)
• M4: 1,497,923 km (0.069 R)
• M5: 1,976,038 km (0.054 R)
• M6: 3,046,710 km (0.102 R)
• M7: 3,901,812 km (0.062 R)
• M8: 4,428,396 km (0.047 R)
• M9: 5,525,547 km (0.09 R)
• M10: 6,767,658 km (0.112 R)
• M11: 7,996,156 km (0.088 R)
• M12: 9,332,663 km (0.083 R)
• M13: 10,391,218 km (0.099 R)
• M14: 11,206,376 km (0.071 R)
• M15: 11,650,233 km (0.08 R)
• M16: 12,401,813 km (0.082 R)
• M17: 13,817,458 km (0.087 R)
• M18: 14,281,211 km (0.061 R)
• M19: 16,915,181 km (0.115 R)
• M20: 18,430,158 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 11.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.32 AU - 3.82 AU

Year: 3473 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,748,290 km

• M1: 146,905 km (0.084 R)
• M2: 574,157 km (0.086 R)
• M3: 983,456 km (0.116 R)
• M4: 1,433,746 km (0.098 R)
• M5: 1,892,413 km (0.061 R)
• M6: 2,479,286 km (0.117 R)
• M7: 3,747,427 km (0.119 R)
• M8: 4,173,033 km (0.043 R)
• M9: 4,799,249 km (0.094 R)
• M10: 5,648,666 km (0.074 R)
• M11: 7,413,921 km (0.053 R)
• M12: 7,813,946 km (0.045 R)
• M13: 10,945,777 km (0.107 R)
• M14: 11,377,666 km (0.078 R)
• M15: 13,710,645 km (0.102 R)
• M16: 17,665,414 km (0.068 R)
• M17: 18,441,678 km (0.06 R)
• M18: 18,868,929 km (0.112 R)
• M19: 23,728,466 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 11.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.53 AU - 3.65 AU

Year: 4392 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 170.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,748,290 km

• M1: 147,204 km (0.071 R)
• M2: 700,118 km (0.062 R)
• M3: 1,127,669 km (0.083 R)
• M4: 1,526,497 km (0.112 R)
• M5: 2,177,397 km (0.091 R)
• M6: 2,575,776 km (0.082 R)
• M7: 3,230,716 km (0.115 R)
• M8: 3,792,456 km (0.086 R)
• M9: 4,826,476 km (0.064 R)
• M10: 5,666,468 km (0.105 R)
• M11: 6,094,318 km (0.082 R)
• M12: 6,717,992 km (0.12 R)
• M13: 7,895,177 km (0.074 R)
• M14: 8,430,139 km (0.116 R)
• M15: 9,424,516 km (0.056 R)
• M16: 9,835,910 km (0.043 R)
• M17: 10,455,844 km (0.102 R)
• M18: 12,517,751 km (0.116 R)
• M19: 13,153,542 km (0.069 R)
• M20: 13,715,582 km (0.101 R)
• M21: 15,862,311 km (0.105 R)
• M22: 16,878,679 km (0.035 R)
• M23: 21,191,137 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 8.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.63 AU - 6.27 AU

Year: 8215 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,748,290 km

• M1: 106,962 km (0.093 R)
• M2: 493,224 km (0.087 R)
• M3: 1,084,136 km (0.109 R)
• M4: 1,868,926 km (0.09 R)
• M5: 2,971,612 km (0.083 R)
• M6: 3,374,778 km (0.059 R)
• M7: 5,201,368 km (0.104 R)
• M8: 5,588,079 km (0.084 R)
• M9: 5,934,697 km (0.059 R)
• M10: 6,607,738 km (0.103 R)
• M11: 7,061,917 km (0.099 R)
• M12: 7,502,034 km (0.062 R)
• M13: 8,362,820 km (0.097 R)
• M14: 9,089,716 km (0.081 R)
• M15: 9,858,200 km (0.073 R)
• M16: 10,978,838 km (0.075 R)
• M17: 11,662,949 km (0.069 R)
• M18: 13,318,399 km (0.118 R)
• M19: 14,362,293 km (0.064 R)
• M20: 19,152,267 km (0.079 R)
• M21: 20,821,929 km (0.083 R)
• M22: 23,171,663 km (0.095 R)
• M23: 26,491,240 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 3.5

Gravity: 24.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.35 AU - 7.55 AU

Year: 11830 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,748,290 km

• M1: 59,390 km (0.117 R)
• M2: 565,031 km (0.092 R)
• M3: 844,779 km (0.045 R)
• M4: 1,015,919 km (0.043 R)
• M5: 1,714,990 km (0.102 R)
• M6: 1,849,329 km (0.106 R)
• M7: 3,979,752 km (0.069 R)
• M8: 4,950,642 km (0.076 R)
• M9: 6,346,839 km (0.111 R)
• M10: 8,067,963 km (0.12 R)
• M11: 8,192,727 km (0.075 R)
• M12: 9,057,403 km (0.081 R)
• M13: 11,587,103 km (0.08 R)
• M14: 14,859,856 km (0.043 R)
• M15: 16,074,441 km (0.109 R)
• M16: 19,064,453 km (0.057 R)
• M17: 23,233,896 km (0.096 R)
• M18: 27,782,718 km (0.066 R)
• M19: 34,068,521 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit