🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354

Radius: 8.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.75 AU - 0.83 AU

Year: 453 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,691,051 km

• M1: 107,112 km (0.116 R)
• M2: 456,274 km (0.089 R)
• M3: 745,297 km (0.059 R)
• M4: 1,171,501 km (0.057 R)
• M5: 2,231,851 km (0.048 R)
• M6: 2,802,866 km (0.06 R)
• M7: 3,844,216 km (0.051 R)
• M8: 4,365,864 km (0.118 R)
• M9: 4,833,507 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 14.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.13 AU - 1.79 AU

Year: 1139 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,691,051 km

• M1: 175,329 km (0.087 R)
• M2: 615,595 km (0.073 R)
• M3: 1,266,346 km (0.076 R)
• M4: 1,715,140 km (0.076 R)
• M5: 2,492,600 km (0.094 R)
• M6: 4,022,986 km (0.095 R)
• M7: 4,512,171 km (0.083 R)
• M8: 5,548,286 km (0.088 R)
• M9: 6,111,821 km (0.101 R)
• M10: 6,906,634 km (0.115 R)
• M11: 8,617,286 km (0.109 R)
• M12: 10,563,255 km (0.062 R)
• M13: 11,261,429 km (0.04 R)
• M14: 11,849,049 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 10.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.85 AU - 2.11 AU

Year: 1799 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,691,051 km

• M1: 134,339 km (0.099 R)
• M2: 546,631 km (0.116 R)
• M3: 1,084,285 km (0.11 R)
• M4: 1,559,259 km (0.061 R)
• M5: 1,981,125 km (0.084 R)
• M6: 2,758,435 km (0.116 R)
• M7: 3,398,864 km (0.096 R)
• M8: 5,265,247 km (0.044 R)
• M9: 5,902,085 km (0.116 R)
• M10: 6,536,679 km (0.094 R)
• M11: 7,501,136 km (0.117 R)
• M12: 8,032,658 km (0.116 R)
• M13: 8,652,741 km (0.113 R)
• M14: 11,227,919 km (0.106 R)
• M15: 11,924,297 km (0.085 R)
• M16: 14,410,164 km (0.065 R)
• M17: 14,771,892 km (0.069 R)
• M18: 15,846,005 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 12.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.94 AU - 2.44 AU

Year: 2093 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,691,051 km

• M1: 155,432 km (0.089 R)
• M2: 655,837 km (0.095 R)
• M3: 1,272,928 km (0.07 R)
• M4: 1,937,891 km (0.116 R)
• M5: 2,887,688 km (0.115 R)
• M6: 3,644,055 km (0.102 R)
• M7: 5,068,675 km (0.097 R)
• M8: 6,322,156 km (0.035 R)
• M9: 7,210,468 km (0.098 R)
• M10: 7,974,614 km (0.066 R)
• M11: 9,928,212 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.27 AU - 2.39 AU

Year: 2296 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,691,051 km

• M1: 111,899 km (0.117 R)
• M2: 402,418 km (0.119 R)
• M3: 922,121 km (0.114 R)
• M4: 1,336,208 km (0.099 R)
• M5: 1,871,769 km (0.076 R)
• M6: 2,516,835 km (0.108 R)
• M7: 3,092,338 km (0.112 R)
• M8: 3,454,215 km (0.061 R)
• M9: 3,807,565 km (0.088 R)
• M10: 4,403,264 km (0.088 R)
• M11: 4,734,324 km (0.082 R)
• M12: 5,015,418 km (0.063 R)
• M13: 5,563,994 km (0.111 R)
• M14: 5,877,551 km (0.089 R)
• M15: 6,202,926 km (0.114 R)
• M16: 6,726,967 km (0.098 R)
• M17: 8,604,271 km (0.092 R)
• M18: 9,323,388 km (0.035 R)
• M19: 10,659,147 km (0.043 R)
• M20: 10,993,499 km (0.079 R)
• M21: 11,449,922 km (0.103 R)
• M22: 12,158,417 km (0.086 R)
• M23: 13,318,100 km (0.12 R)
• M24: 14,869,280 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 12.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.57 AU - 5.17 AU

Year: 5898 Days

Day: 10 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,691,051 km

• M1: 153,039 km (0.079 R)
• M2: 586,124 km (0.088 R)
• M3: 1,001,259 km (0.116 R)
• M4: 1,659,788 km (0.066 R)
• M5: 2,081,355 km (0.094 R)
• M6: 2,628,734 km (0.088 R)
• M7: 4,364,069 km (0.036 R)
• M8: 4,787,431 km (0.069 R)
• M9: 5,267,491 km (0.074 R)
• M10: 5,686,963 km (0.04 R)
• M11: 7,858,526 km (0.114 R)
• M12: 8,288,021 km (0.063 R)
• M13: 9,279,706 km (0.072 R)
• M14: 11,598,024 km (0.104 R)
• M15: 12,838,040 km (0.076 R)
• M16: 15,519,582 km (0.103 R)
• M17: 18,349,974 km (0.081 R)
• M18: 21,357,190 km (0.118 R)
• M19: 21,965,156 km (0.087 R)
• M20: 24,102,760 km (0.116 R)
• M21: 25,773,020 km (0.05 R)
• M22: 27,877,862 km (0.062 R)
• M23: 30,094,753 km (0.074 R)
• M24: 33,129,196 km (0.09 R)
• M25: 34,772,529 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 12.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.99 AU - 6.65 AU

Year: 9066 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 72 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,691,051 km

• M1: 161,416 km (0.065 R)
• M2: 658,231 km (0.056 R)
• M3: 1,893,161 km (0.112 R)
• M4: 2,660,149 km (0.117 R)
• M5: 3,294,295 km (0.105 R)
• M6: 4,303,632 km (0.03 R)
• M7: 5,819,656 km (0.033 R)
• M8: 6,374,515 km (0.099 R)
• M9: 7,743,186 km (0.086 R)
• M10: 8,456,169 km (0.119 R)
• M11: 10,812,186 km (0.101 R)
• M12: 15,580,319 km (0.116 R)
• M13: 19,299,023 km (0.103 R)
• M14: 23,735,348 km (0.093 R)
• M15: 25,496,713 km (0.035 R)
• M16: 27,887,137 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.6

Radius: 7.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.44 AU - 8.3 AU

Year: 12919 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,691,051 km

• M1: 97,089 km (0.078 R)
• M2: 528,978 km (0.086 R)
• M3: 906,264 km (0.07 R)
• M4: 1,444,667 km (0.091 R)
• M5: 2,025,406 km (0.066 R)
• M6: 3,166,089 km (0.092 R)
• M7: 5,276,466 km (0.109 R)
• M8: 5,544,247 km (0.116 R)
• M9: 5,915,549 km (0.06 R)
• M10: 6,537,427 km (0.061 R)
• M11: 7,238,143 km (0.106 R)
• M12: 7,872,139 km (0.096 R)
• M13: 8,143,809 km (0.071 R)
• M14: 10,501,621 km (0.115 R)
• M15: 12,741,999 km (0.067 R)
• M16: 15,044,459 km (0.111 R)
• M17: 21,342,081 km (0.054 R)
• M18: 21,643,371 km (0.037 R)
• M19: 24,402,554 km (0.061 R)
• M20: 24,981,348 km (0.084 R)
• M21: 25,909,154 km (0.069 R)
• M22: 26,947,214 km (0.112 R)
• M23: 27,923,041 km (0.078 R)
• M24: 28,374,228 km (0.104 R)
• M25: 28,738,649 km (0.092 R)
• M26: 31,963,979 km (0.065 R)
• M27: 33,663,560 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 14,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit