🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 15

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.82 AU - 1.04 AU

Year: 570 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,670,523 km

• M1: 186,848 km (0.118 R)
• M2: 708,196 km (0.109 R)
• M3: 1,184,815 km (0.078 R)
• M4: 1,665,772 km (0.07 R)
• M5: 2,309,492 km (0.099 R)
• M6: 3,325,112 km (0.117 R)
• M7: 4,284,184 km (0.065 R)
• M8: 4,993,727 km (0.12 R)
• M9: 7,493,357 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 9.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.03 AU - 1.39 AU

Year: 846 Days

Day: 7.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,670,523 km

• M1: 115,938 km (0.087 R)
• M2: 421,716 km (0.086 R)
• M3: 822,190 km (0.113 R)
• M4: 1,207,704 km (0.119 R)
• M5: 1,593,965 km (0.092 R)
• M6: 1,970,204 km (0.093 R)
• M7: 2,652,221 km (0.115 R)
• M8: 4,184,103 km (0.072 R)
• M9: 4,576,049 km (0.115 R)
• M10: 5,061,345 km (0.054 R)
• M11: 5,543,648 km (0.119 R)
• M12: 6,274,135 km (0.077 R)
• M13: 6,746,565 km (0.086 R)
• M14: 7,420,802 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 14.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.57 AU - 4.11 AU

Year: 4784 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,670,523 km

• M1: 180,265 km (0.052 R)
• M2: 733,329 km (0.087 R)
• M3: 1,221,616 km (0.108 R)
• M4: 1,681,480 km (0.054 R)
• M5: 2,466,570 km (0.118 R)
• M6: 3,221,441 km (0.117 R)
• M7: 3,725,137 km (0.116 R)
• M8: 4,192,480 km (0.071 R)
• M9: 5,246,846 km (0.055 R)
• M10: 6,294,031 km (0.063 R)
• M11: 6,805,806 km (0.117 R)
• M12: 7,345,255 km (0.066 R)
• M13: 8,085,915 km (0.109 R)
• M14: 8,802,040 km (0.1 R)
• M15: 9,875,404 km (0.099 R)
• M16: 11,781,132 km (0.062 R)
• M17: 12,702,505 km (0.119 R)
• M18: 14,846,392 km (0.103 R)
• M19: 15,976,753 km (0.081 R)
• M20: 20,551,456 km (0.091 R)
• M21: 21,413,140 km (0.113 R)
• M22: 23,421,791 km (0.109 R)
• M23: 24,070,148 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 8.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.57 AU - 5.77 AU

Year: 7474 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,670,523 km

• M1: 110,702 km (0.103 R)
• M2: 561,441 km (0.111 R)
• M3: 884,273 km (0.117 R)
• M4: 1,894,059 km (0.098 R)
• M5: 3,275,894 km (0.116 R)
• M6: 3,607,253 km (0.068 R)
• M7: 4,652,195 km (0.088 R)
• M8: 5,397,641 km (0.105 R)
• M9: 7,958,457 km (0.101 R)
• M10: 8,463,200 km (0.103 R)
• M11: 9,056,505 km (0.083 R)
• M12: 9,467,301 km (0.102 R)
• M13: 9,926,118 km (0.093 R)
• M14: 10,511,345 km (0.041 R)
• M15: 10,888,481 km (0.089 R)
• M16: 11,670,130 km (0.077 R)
• M17: 13,476,823 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 9.2

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.06 AU - 5.6 AU

Year: 7824 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,670,523 km

• M1: 114,592 km (0.065 R)
• M2: 427,252 km (0.073 R)
• M3: 734,526 km (0.084 R)
• M4: 1,580,053 km (0.059 R)
• M5: 2,076,269 km (0.065 R)
• M6: 2,597,767 km (0.088 R)
• M7: 3,495,354 km (0.068 R)
• M8: 5,195,684 km (0.05 R)
• M9: 6,158,047 km (0.105 R)
• M10: 6,790,098 km (0.057 R)
• M11: 7,121,906 km (0.119 R)
• M12: 7,620,516 km (0.107 R)
• M13: 8,390,795 km (0.082 R)
• M14: 9,482,261 km (0.065 R)
• M15: 9,850,870 km (0.078 R)
• M16: 10,665,730 km (0.054 R)
• M17: 11,267,712 km (0.027 R)
• M18: 11,576,930 km (0.055 R)
• M19: 12,704,599 km (0.039 R)
• M20: 13,611,611 km (0.117 R)
• M21: 14,140,440 km (0.115 R)
• M22: 16,459,805 km (0.063 R)
• M23: 16,992,822 km (0.087 R)
• M24: 18,093,264 km (0.103 R)
• M25: 18,732,645 km (0.045 R)
• M26: 19,167,377 km (0.114 R)
• M27: 22,563,248 km (0.111 R)
• M28: 25,008,575 km (0.059 R)
• M29: 26,340,295 km (0.108 R)
• M30: 29,241,447 km (0.118 R)
• M31: 29,533,013 km (0.117 R)
• M32: 34,683,369 km (0.108 R)
• M33: 35,010,240 km (0.095 R)
• M34: 36,901,157 km (0.044 R)
• M35: 38,044,683 km (0.039 R)
• M36: 38,859,094 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 15

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.91 AU - 6.85 AU

Year: 9066 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,670,523 km

• M1: 186,848 km (0.085 R)
• M2: 829,819 km (0.084 R)
• M3: 1,411,905 km (0.058 R)
• M4: 2,393,566 km (0.109 R)
• M5: 4,026,427 km (0.106 R)
• M6: 4,662,068 km (0.062 R)
• M7: 7,333,138 km (0.081 R)
• M8: 7,820,229 km (0.092 R)
• M9: 8,329,011 km (0.072 R)
• M10: 8,950,590 km (0.111 R)
• M11: 12,535,853 km (0.097 R)
• M12: 13,775,870 km (0.073 R)
• M13: 14,583,548 km (0.087 R)
• M14: 15,887,743 km (0.088 R)
• M15: 16,706,641 km (0.054 R)
• M16: 18,727,409 km (0.115 R)
• M17: 19,410,324 km (0.081 R)
• M18: 22,225,307 km (0.055 R)
• M19: 23,336,969 km (0.076 R)
• M20: 27,570,140 km (0.111 R)
• M21: 28,454,413 km (0.041 R)
• M22: 29,155,279 km (0.114 R)
• M23: 35,527,849 km (0.06 R)
• M24: 38,124,419 km (0.07 R)
• M25: 40,466,523 km (0.072 R)
• M26: 41,994,366 km (0.085 R)
• M27: 45,436,314 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.1

Radius: 8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.78 AU - 12.32 AU

Year: 20257 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,670,523 km

• M1: 99,483 km (0.077 R)
• M2: 751,879 km (0.09 R)
• M3: 1,243,757 km (0.101 R)
• M4: 1,726,808 km (0.092 R)
• M5: 2,406,731 km (0.044 R)
• M6: 3,785,425 km (0.093 R)
• M7: 4,142,814 km (0.101 R)
• M8: 5,218,123 km (0.119 R)
• M9: 5,626,526 km (0.119 R)
• M10: 8,401,865 km (0.106 R)
• M11: 8,820,739 km (0.105 R)
• M12: 19,509,058 km (0.106 R)
• M13: 22,118,195 km (0.094 R)
• M14: 24,384,902 km (0.072 R)
• M15: 24,761,290 km (0.106 R)
• M16: 27,203,026 km (0.103 R)
• M17: 41,581,027 km (0.063 R)
• M18: 44,735,448 km (0.112 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: 491 - 12,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit