🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 11.6

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.37 AU - 1.64 AU

Year: 1268 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,181,087 km

• M1: 147,803 km (0.085 R)
• M2: 559,496 km (0.103 R)
• M3: 922,869 km (0.114 R)
• M4: 1,377,946 km (0.102 R)
• M5: 2,015,233 km (0.066 R)
• M6: 2,573,233 km (0.098 R)
• M7: 3,232,511 km (0.102 R)
• M8: 3,627,300 km (0.111 R)
• M9: 4,345,369 km (0.099 R)
• M10: 5,197,778 km (0.098 R)
• M11: 5,787,792 km (0.114 R)
• M12: 6,921,445 km (0.117 R)
• M13: 7,286,314 km (0.106 R)
• M14: 7,746,627 km (0.098 R)
• M15: 8,488,333 km (0.073 R)
• M16: 9,592,664 km (0.109 R)
• M17: 10,146,476 km (0.073 R)
• M18: 10,686,973 km (0.106 R)
• M19: 12,048,164 km (0.102 R)
• M20: 13,441,069 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 14.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.38 AU - 1.64 AU

Year: 1281 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,181,087 km

• M1: 185,352 km (0.058 R)
• M2: 884,123 km (0.049 R)
• M3: 1,510,191 km (0.087 R)
• M4: 2,094,221 km (0.073 R)
• M5: 2,673,912 km (0.101 R)
• M6: 3,450,475 km (0.109 R)
• M7: 3,959,257 km (0.106 R)
• M8: 4,481,952 km (0.106 R)
• M9: 4,952,737 km (0.065 R)
• M10: 5,498,470 km (0.094 R)
• M11: 6,265,757 km (0.078 R)
• M12: 6,759,729 km (0.068 R)
• M13: 7,279,881 km (0.117 R)
• M14: 8,042,232 km (0.072 R)
• M15: 8,541,889 km (0.109 R)
• M16: 9,696,036 km (0.117 R)
• M17: 11,741,787 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 8.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.85 AU - 2.03 AU

Year: 1865 Days

Day: 8.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,181,087 km

• M1: 106,962 km (0.083 R)
• M2: 396,734 km (0.06 R)
• M3: 786,586 km (0.084 R)
• M4: 1,060,649 km (0.079 R)
• M5: 1,832,125 km (0.053 R)
• M6: 2,102,897 km (0.087 R)
• M7: 2,514,740 km (0.083 R)
• M8: 3,500,590 km (0.086 R)
• M9: 3,817,588 km (0.041 R)
• M10: 4,645,612 km (0.068 R)
• M11: 5,133,601 km (0.088 R)
• M12: 5,837,159 km (0.099 R)
• M13: 6,430,315 km (0.075 R)
• M14: 6,984,874 km (0.052 R)
• M15: 7,408,087 km (0.113 R)
• M16: 7,932,726 km (0.074 R)
• M17: 9,916,394 km (0.096 R)
• M18: 11,433,765 km (0.032 R)
• M19: 11,836,034 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 8.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.9 AU - 2.82 AU

Year: 2503 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,181,087 km

• M1: 109,206 km (0.104 R)
• M2: 412,292 km (0.069 R)
• M3: 1,074,412 km (0.116 R)
• M4: 1,351,168 km (0.087 R)
• M5: 2,308,894 km (0.112 R)
• M6: 3,691,627 km (0.109 R)
• M7: 4,334,897 km (0.069 R)
• M8: 5,228,146 km (0.041 R)
• M9: 7,062,815 km (0.099 R)
• M10: 7,650,884 km (0.076 R)
• M11: 8,101,024 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 13.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.06 AU - 6.28 AU

Year: 8114 Days

Day: 11.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,181,087 km

• M1: 182,061 km (0.114 R)
• M2: 947,703 km (0.1 R)
• M3: 1,771,239 km (0.107 R)
• M4: 3,051,198 km (0.044 R)
• M5: 3,566,264 km (0.093 R)
• M6: 4,722,506 km (0.108 R)
• M7: 7,836,834 km (0.045 R)
• M8: 8,771,522 km (0.069 R)
• M9: 9,367,071 km (0.093 R)
• M10: 10,595,269 km (0.099 R)
• M11: 12,560,686 km (0.049 R)
• M12: 13,999,518 km (0.034 R)
• M13: 15,374,622 km (0.084 R)
• M14: 16,717,562 km (0.11 R)
• M15: 26,627,075 km (0.09 R)
• M16: 28,303,169 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300

Radius: 5.2

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.99 AU - 8.13 AU

Year: 11598 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,181,087 km

• M1: 68,067 km (0.065 R)
• M2: 585,227 km (0.094 R)
• M3: 1,559,408 km (0.099 R)
• M4: 2,318,468 km (0.06 R)
• M5: 3,254,202 km (0.079 R)
• M6: 3,744,734 km (0.083 R)
• M7: 6,522,916 km (0.097 R)
• M8: 7,651,482 km (0.11 R)
• M9: 7,973,118 km (0.108 R)
• M10: 8,600,531 km (0.106 R)
• M11: 9,350,615 km (0.073 R)
• M12: 10,879,505 km (0.063 R)
• M13: 19,918,807 km (0.1 R)
• M14: 35,115,258 km (0.079 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: 509 - 14,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit