🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 11.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 8 Hours

Environment

Temp: -138 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,507,545 km

• M1: 143,764 km (0.085 R)
• M2: 503,247 km (0.107 R)
• M3: 870,360 km (0.048 R)
• M4: 1,323,792 km (0.101 R)
• M5: 1,711,998 km (0.114 R)
• M6: 2,123,991 km (0.094 R)
• M7: 2,567,698 km (0.113 R)
• M8: 3,014,995 km (0.102 R)
• M9: 3,789,912 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 10.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,507,545 km

• M1: 131,945 km (0.093 R)
• M2: 501,003 km (0.11 R)
• M3: 867,967 km (0.101 R)
• M4: 1,905,129 km (0.115 R)
• M5: 2,592,082 km (0.087 R)
• M6: 3,074,685 km (0.042 R)
• M7: 3,413,524 km (0.118 R)
• M8: 4,598,190 km (0.08 R)
• M9: 4,982,507 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998

Radius: 9.5

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.97 AU - 1.11 AU

Year: 732 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,507,545 km

• M1: 118,332 km (0.058 R)
• M2: 443,558 km (0.078 R)
• M3: 774,917 km (0.117 R)
• M4: 1,099,395 km (0.048 R)
• M5: 1,400,834 km (0.111 R)
• M6: 1,723,667 km (0.116 R)
• M7: 2,136,557 km (0.044 R)
• M8: 2,579,965 km (0.115 R)
• M9: 2,892,475 km (0.114 R)
• M10: 3,847,059 km (0.063 R)
• M11: 4,643,668 km (0.118 R)
• M12: 4,944,509 km (0.115 R)
• M13: 5,744,259 km (0.089 R)
• M14: 6,091,476 km (0.106 R)
• M15: 6,694,206 km (0.119 R)
• M16: 7,033,045 km (0.045 R)
• M17: 8,093,993 km (0.102 R)
• M18: 8,795,756 km (0.12 R)
• M19: 9,230,488 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 13.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.86 AU - 1.9 AU

Year: 1779 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,507,545 km

• M1: 170,392 km (0.12 R)
• M2: 641,625 km (0.102 R)
• M3: 1,111,512 km (0.081 R)
• M4: 1,572,573 km (0.03 R)
• M5: 2,413,462 km (0.088 R)
• M6: 3,269,312 km (0.117 R)
• M7: 4,208,637 km (0.025 R)
• M8: 4,902,771 km (0.082 R)
• M9: 7,643,853 km (0.104 R)
• M10: 8,412,487 km (0.115 R)
• M11: 10,171,010 km (0.113 R)
• M12: 11,172,567 km (0.1 R)
• M13: 13,171,943 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 11.8

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.82 AU - 4.54 AU

Year: 4873 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,507,545 km

• M1: 146,756 km (0.102 R)
• M2: 540,946 km (0.09 R)
• M3: 1,240,316 km (0.076 R)
• M4: 1,758,523 km (0.112 R)
• M5: 2,227,961 km (0.074 R)
• M6: 2,853,729 km (0.078 R)
• M7: 3,703,146 km (0.085 R)
• M8: 5,116,696 km (0.072 R)
• M9: 6,053,627 km (0.066 R)
• M10: 6,629,130 km (0.095 R)
• M11: 7,170,824 km (0.041 R)
• M12: 7,560,377 km (0.112 R)
• M13: 8,774,663 km (0.066 R)
• M14: 9,262,203 km (0.075 R)
• M15: 10,114,910 km (0.059 R)
• M16: 11,065,754 km (0.099 R)
• M17: 11,539,082 km (0.115 R)
• M18: 12,679,168 km (0.119 R)
• M19: 15,067,348 km (0.089 R)
• M20: 15,708,375 km (0.112 R)
• M21: 20,787,821 km (0.111 R)
• M22: 27,897,310 km (0.113 R)
• M23: 28,953,172 km (0.055 R)
• M24: 29,944,407 km (0.111 R)
• M25: 31,709,513 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 8.9

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.18 AU - 5.66 AU

Year: 7533 Days

Day: 13 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,507,545 km

• M1: 112,498 km (0.12 R)
• M2: 530,324 km (0.025 R)
• M3: 904,768 km (0.086 R)
• M4: 1,222,813 km (0.063 R)
• M5: 1,629,869 km (0.103 R)
• M6: 2,905,490 km (0.073 R)
• M7: 3,443,593 km (0.065 R)
• M8: 3,941,605 km (0.105 R)
• M9: 4,486,739 km (0.078 R)
• M10: 4,897,685 km (0.071 R)
• M11: 7,541,977 km (0.05 R)
• M12: 8,513,914 km (0.116 R)
• M13: 9,904,127 km (0.111 R)
• M14: 10,602,151 km (0.112 R)
• M15: 13,424,763 km (0.091 R)
• M16: 14,784,010 km (0.027 R)
• M17: 17,991,388 km (0.082 R)
• M18: 24,201,644 km (0.1 R)
• M19: 33,548,519 km (0.084 R)
• M20: 38,165,110 km (0.082 R)
• M21: 43,977,884 km (0.102 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.8

Radius: 5.3

Gravity: 28.9 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.8 AU - 5.82 AU

Year: 9667 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 28,507,545 km

• M1: 67,169 km (0.069 R)
• M2: 246,836 km (0.072 R)
• M3: 586,124 km (0.102 R)
• M4: 839,693 km (0.03 R)
• M5: 1,084,734 km (0.11 R)
• M6: 1,894,657 km (0.043 R)
• M7: 3,071,992 km (0.109 R)
• M8: 3,894,631 km (0.108 R)
• M9: 4,142,515 km (0.083 R)
• M10: 4,700,365 km (0.092 R)
• M11: 5,273,624 km (0.04 R)
• M12: 6,000,221 km (0.105 R)
• M13: 7,314,588 km (0.083 R)
• M14: 7,951,276 km (0.095 R)
• M15: 10,289,192 km (0.101 R)
• M16: 10,816,973 km (0.117 R)
• M17: 12,746,786 km (0.091 R)
• M18: 13,541,599 km (0.056 R)
• M19: 14,433,951 km (0.1 R)
• M20: 14,828,291 km (0.086 R)
• M21: 20,959,260 km (0.11 R)
• M22: 23,658,604 km (0.109 R)
• M23: 27,774,041 km (0.1 R)
• M24: 29,314,900 km (0.119 R)
• M25: 32,903,752 km (0.094 R)
• M26: 33,700,960 km (0.093 R)
• M27: 34,511,032 km (0.097 R)
• M28: 37,141,112 km (0.073 R)
• M29: 39,390,017 km (0.062 R)
• M30: 40,677,755 km (0.057 R)
• M31: 46,536,008 km (0.068 R)
• M32: 48,558,272 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.7

Radius: 4.1

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.69 AU - 6.85 AU

Year: 10837 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 92.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,507,545 km

• M1: 52,509 km (0.077 R)
• M2: 195,824 km (0.102 R)
• M3: 341,831 km (0.09 R)
• M4: 528,380 km (0.083 R)
• M5: 1,229,694 km (0.112 R)
• M6: 2,114,416 km (0.106 R)
• M7: 2,409,573 km (0.079 R)
• M8: 2,696,352 km (0.099 R)
• M9: 3,100,715 km (0.117 R)
• M10: 8,306,721 km (0.101 R)
• M11: 8,919,923 km (0.086 R)
• M12: 10,193,001 km (0.081 R)
• M13: 14,620,798 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 19,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit