🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 10

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.55 AU - 0.63 AU

Year: 307 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,028,143 km

• M1: 124,316 km (0.099 R)
• M2: 436,377 km (0.103 R)
• M3: 840,142 km (0.103 R)
• M4: 1,192,744 km (0.082 R)
• M5: 1,562,699 km (0.059 R)
• M6: 2,085,245 km (0.117 R)
• M7: 2,452,657 km (0.086 R)
• M8: 3,245,227 km (0.113 R)
• M9: 3,882,514 km (0.069 R)
• M10: 4,469,087 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 11.4

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.89 AU

Year: 476 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 157 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,028,143 km

• M1: 141,819 km (0.091 R)
• M2: 498,909 km (0.096 R)
• M3: 869,313 km (0.1 R)
• M4: 1,257,520 km (0.111 R)
• M5: 1,710,652 km (0.04 R)
• M6: 2,092,425 km (0.082 R)
• M7: 2,452,657 km (0.114 R)
• M8: 2,998,540 km (0.09 R)
• M9: 3,522,581 km (0.055 R)
• M10: 4,991,333 km (0.068 R)
• M11: 6,034,629 km (0.091 R)
• M12: 6,502,122 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 9.9

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.99 AU - 1.05 AU

Year: 699 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,028,143 km

• M1: 123,119 km (0.068 R)
• M2: 456,872 km (0.096 R)
• M3: 765,941 km (0.103 R)
• M4: 1,303,596 km (0.106 R)
• M5: 1,646,773 km (0.092 R)
• M6: 2,003,863 km (0.044 R)
• M7: 2,359,906 km (0.092 R)
• M8: 3,149,933 km (0.086 R)
• M9: 3,720,349 km (0.117 R)
• M10: 4,326,370 km (0.112 R)
• M11: 4,653,242 km (0.109 R)
• M12: 5,103,083 km (0.109 R)
• M13: 5,715,686 km (0.098 R)
• M14: 6,049,887 km (0.116 R)
• M15: 6,671,766 km (0.091 R)
• M16: 7,802,576 km (0.079 R)
• M17: 8,363,568 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 13.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.06 AU - 1.46 AU

Year: 959 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,028,143 km

• M1: 168,447 km (0.075 R)
• M2: 692,937 km (0.071 R)
• M3: 1,153,400 km (0.111 R)
• M4: 1,801,308 km (0.111 R)
• M5: 2,334,624 km (0.091 R)
• M6: 3,310,601 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 10.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.78 AU - 4.12 AU

Year: 4346 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,028,143 km

• M1: 133,142 km (0.032 R)
• M2: 469,588 km (0.097 R)
• M3: 882,179 km (0.119 R)
• M4: 1,254,229 km (0.101 R)
• M5: 1,757,476 km (0.099 R)
• M6: 2,536,731 km (0.09 R)
• M7: 2,896,813 km (0.119 R)
• M8: 3,785,574 km (0.104 R)
• M9: 4,645,014 km (0.115 R)
• M10: 5,054,912 km (0.072 R)
• M11: 5,601,243 km (0.073 R)
• M12: 6,006,953 km (0.095 R)
• M13: 6,942,538 km (0.096 R)
• M14: 7,549,008 km (0.118 R)
• M15: 9,180,672 km (0.115 R)
• M16: 11,261,279 km (0.066 R)
• M17: 12,290,662 km (0.1 R)
• M18: 13,128,260 km (0.061 R)
• M19: 16,982,649 km (0.107 R)
• M20: 19,757,690 km (0.106 R)
• M21: 20,360,420 km (0.116 R)
• M22: 21,885,570 km (0.093 R)
• M23: 22,748,750 km (0.05 R)
• M24: 25,318,093 km (0.056 R)
• M25: 27,991,258 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.1

Radius: 5.3

Gravity: 24.53 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.51 AU - 11.03 AU

Year: 23973 Days

Day: 23.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,028,143 km

• M1: 66,571 km (0.081 R)
• M2: 373,845 km (0.081 R)
• M3: 896,690 km (0.106 R)
• M4: 1,665,623 km (0.095 R)
• M5: 2,577,571 km (0.11 R)
• M6: 2,909,230 km (0.074 R)
• M7: 4,076,542 km (0.113 R)
• M8: 5,323,590 km (0.103 R)
• M9: 5,818,759 km (0.084 R)
• M10: 6,344,147 km (0.098 R)
• M11: 6,996,393 km (0.075 R)
• M12: 10,940,691 km (0.114 R)
• M13: 14,135,054 km (0.106 R)
• M14: 17,187,599 km (0.075 R)
• M15: 36,041,867 km (0.064 R)
• M16: 40,546,408 km (0.113 R)
• M17: 43,585,340 km (0.115 R)
• M18: 66,134,376 km (0.101 R)
• M19: 70,106,200 km (0.094 R)
• M20: 74,937,613 km (0.102 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: 418 - 14,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit