🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 9.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.95 AU - 1.23 AU

Year: 735 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,155,603 km

• M1: 118,182 km (0.071 R)
• M2: 421,866 km (0.104 R)
• M3: 751,879 km (0.089 R)
• M4: 1,195,586 km (0.074 R)
• M5: 1,599,201 km (0.094 R)
• M6: 2,141,942 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 9.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.88 AU - 5.1 AU

Year: 6143 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,155,603 km

• M1: 114,891 km (0.059 R)
• M2: 650,751 km (0.035 R)
• M3: 1,053,767 km (0.071 R)
• M4: 1,683,425 km (0.072 R)
• M5: 2,528,653 km (0.053 R)
• M6: 4,454,875 km (0.075 R)
• M7: 4,763,645 km (0.059 R)
• M8: 5,309,976 km (0.096 R)
• M9: 5,897,746 km (0.057 R)
• M10: 6,725,771 km (0.07 R)
• M11: 7,485,279 km (0.055 R)
• M12: 8,377,780 km (0.118 R)
• M13: 8,849,761 km (0.076 R)
• M14: 10,825,800 km (0.12 R)
• M15: 11,338,771 km (0.095 R)
• M16: 12,717,764 km (0.071 R)
• M17: 13,183,761 km (0.104 R)
• M18: 14,763,664 km (0.071 R)
• M19: 15,805,464 km (0.036 R)
• M20: 18,360,446 km (0.097 R)
• M21: 19,977,449 km (0.061 R)
• M22: 20,678,465 km (0.115 R)
• M23: 21,833,959 km (0.119 R)
• M24: 22,352,914 km (0.076 R)
• M25: 22,653,007 km (0.115 R)
• M26: 25,152,339 km (0.067 R)
• M27: 25,887,014 km (0.113 R)
• M28: 30,232,084 km (0.089 R)
• M29: 30,969,602 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.5

Radius: 9.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.61 AU - 5.73 AU

Year: 7590 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,155,603 km

• M1: 120,277 km (0.034 R)
• M2: 1,133,204 km (0.057 R)
• M3: 1,569,730 km (0.1 R)
• M4: 2,144,186 km (0.11 R)
• M5: 4,025,529 km (0.107 R)
• M6: 5,334,062 km (0.078 R)
• M7: 7,548,260 km (0.093 R)
• M8: 7,952,174 km (0.083 R)
• M9: 9,251,132 km (0.064 R)
• M10: 11,545,066 km (0.089 R)
• M11: 12,449,086 km (0.083 R)
• M12: 13,892,556 km (0.088 R)
• M13: 19,322,360 km (0.098 R)
• M14: 20,400,662 km (0.103 R)
• M15: 22,058,655 km (0.082 R)
• M16: 23,306,750 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.7

Radius: 5.5

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.02 AU - 10.26 AU

Year: 17842 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,155,603 km

• M1: 69,264 km (0.044 R)
• M2: 324,927 km (0.036 R)
• M3: 623,225 km (0.081 R)
• M4: 1,207,704 km (0.101 R)
• M5: 1,850,675 km (0.091 R)
• M6: 2,103,346 km (0.043 R)
• M7: 2,378,756 km (0.081 R)
• M8: 3,024,719 km (0.034 R)
• M9: 3,676,816 km (0.083 R)
• M10: 4,686,452 km (0.069 R)
• M11: 8,127,503 km (0.109 R)
• M12: 11,564,065 km (0.053 R)
• M13: 12,246,830 km (0.107 R)
• M14: 12,835,946 km (0.09 R)
• M15: 13,320,793 km (0.119 R)
• M16: 13,817,607 km (0.117 R)
• M17: 14,848,486 km (0.071 R)
• M18: 16,068,158 km (0.102 R)
• M19: 16,631,244 km (0.082 R)
• M20: 16,845,618 km (0.043 R)
• M21: 19,644,893 km (0.061 R)
• M22: 26,824,245 km (0.096 R)
• M23: 27,516,135 km (0.059 R)
• M24: 28,321,420 km (0.093 R)
• M25: 30,190,496 km (0.118 R)
• M26: 32,251,057 km (0.06 R)
• M27: 35,811,037 km (0.111 R)
• M28: 36,408,681 km (0.072 R)
• M29: 37,013,056 km (0.063 R)
• M30: 43,564,097 km (0.103 R)
• M31: 43,971,901 km (0.105 R)
• M32: 45,628,398 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.9

Radius: 3.5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.25 AU - 11.53 AU

Year: 23204 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 179.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,155,603 km

• M1: 43,533 km (0.107 R)
• M2: 168,896 km (0.097 R)
• M3: 281,842 km (0.06 R)
• M4: 492,476 km (0.116 R)
• M5: 800,498 km (0.061 R)
• M6: 1,092,214 km (0.064 R)
• M7: 1,916,349 km (0.073 R)
• M8: 6,915,610 km (0.089 R)
• M9: 7,584,313 km (0.083 R)
• M10: 7,801,828 km (0.049 R)
• M11: 7,978,802 km (0.052 R)
• M12: 11,583,513 km (0.052 R)
• M13: 12,047,416 km (0.099 R)
• M14: 23,282,515 km (0.103 R)
• M15: 24,773,407 km (0.044 R)
• M16: 25,155,780 km (0.08 R)
• M17: 29,411,839 km (0.046 R)
• M18: 33,305,423 km (0.098 R)
• M19: 43,742,717 km (0.087 R)
• M20: 46,873,052 km (0.09 R)
• M21: 47,604,885 km (0.089 R)
• M22: 49,542,776 km (0.107 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: 408 - 13,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit