🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 9.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 14.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,078,342 km

• M1: 123,269 km (0.068 R)
• M2: 638,783 km (0.09 R)
• M3: 1,189,453 km (0.072 R)
• M4: 1,522,009 km (0.092 R)
• M5: 1,881,343 km (0.087 R)
• M6: 2,347,340 km (0.095 R)
• M7: 2,690,518 km (0.067 R)
• M8: 3,211,118 km (0.062 R)
• M9: 3,647,495 km (0.083 R)
• M10: 4,086,116 km (0.06 R)
• M11: 4,454,277 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 12.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 589 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,078,342 km

• M1: 158,125 km (0.109 R)
• M2: 593,305 km (0.054 R)
• M3: 1,035,516 km (0.065 R)
• M4: 1,474,736 km (0.064 R)
• M5: 2,075,371 km (0.096 R)
• M6: 2,673,912 km (0.093 R)
• M7: 3,641,212 km (0.119 R)
• M8: 4,457,269 km (0.089 R)
• M9: 4,893,047 km (0.097 R)
• M10: 5,340,345 km (0.095 R)
• M11: 5,778,816 km (0.088 R)
• M12: 6,241,223 km (0.11 R)
• M13: 6,748,510 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 10.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.01 AU - 1.55 AU

Year: 982 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,078,342 km

• M1: 129,402 km (0.113 R)
• M2: 453,581 km (0.058 R)
• M3: 886,966 km (0.044 R)
• M4: 1,266,346 km (0.076 R)
• M5: 1,674,299 km (0.117 R)
• M6: 2,106,488 km (0.112 R)
• M7: 2,540,770 km (0.109 R)
• M8: 3,791,408 km (0.082 R)
• M9: 4,633,495 km (0.105 R)
• M10: 5,575,213 km (0.059 R)
• M11: 6,102,546 km (0.097 R)
• M12: 6,548,198 km (0.079 R)
• M13: 7,087,349 km (0.068 R)
• M14: 8,016,800 km (0.107 R)
• M15: 8,361,923 km (0.107 R)
• M16: 8,772,569 km (0.1 R)
• M17: 9,813,321 km (0.057 R)
• M18: 10,614,867 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 13.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.25 AU - 1.83 AU

Year: 1296 Days

Day: 15 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,078,342 km

• M1: 164,109 km (0.104 R)
• M2: 596,746 km (0.087 R)
• M3: 1,055,114 km (0.05 R)
• M4: 1,586,485 km (0.117 R)
• M5: 2,467,318 km (0.117 R)
• M6: 3,025,019 km (0.061 R)
• M7: 4,258,303 km (0.117 R)
• M8: 5,417,388 km (0.068 R)
• M9: 6,447,369 km (0.111 R)
• M10: 7,649,388 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 13.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.63 AU - 5.67 AU

Year: 7927 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,078,342 km

• M1: 509,979 km (0.108 R)
• M2: 1,015,470 km (0.095 R)
• M3: 2,594,775 km (0.089 R)
• M4: 3,923,204 km (0.047 R)
• M5: 5,006,442 km (0.104 R)
• M6: 8,769,726 km (0.099 R)
• M7: 9,956,935 km (0.116 R)
• M8: 12,921,217 km (0.077 R)
• M9: 17,549,326 km (0.06 R)
• M10: 21,441,264 km (0.062 R)
• M11: 24,926,147 km (0.078 R)
• M12: 26,579,951 km (0.058 R)
• M13: 32,894,477 km (0.12 R)
• M14: 35,311,081 km (0.073 R)
• M15: 36,728,222 km (0.109 R)
• M16: 37,171,929 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 9.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.8 AU - 5.86 AU

Year: 8346 Days

Day: 12.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,078,342 km

• M1: 123,867 km (0.082 R)
• M2: 531,372 km (0.089 R)
• M3: 1,548,637 km (0.116 R)
• M4: 2,274,935 km (0.029 R)
• M5: 3,944,447 km (0.08 R)
• M6: 4,725,198 km (0.07 R)
• M7: 6,484,619 km (0.051 R)
• M8: 7,336,280 km (0.075 R)
• M9: 8,600,082 km (0.047 R)
• M10: 11,344,904 km (0.036 R)
• M11: 11,764,377 km (0.077 R)
• M12: 17,571,467 km (0.108 R)
• M13: 18,062,746 km (0.093 R)
• M14: 18,563,151 km (0.09 R)
• M15: 20,196,161 km (0.082 R)
• M16: 21,601,783 km (0.05 R)
• M17: 27,222,175 km (0.117 R)
• M18: 31,845,048 km (0.107 R)
• M19: 36,283,468 km (0.115 R)
• M20: 36,965,783 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.7

Radius: 5.7

Gravity: 22.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.58 AU - 8.88 AU

Year: 14577 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,078,342 km

• M1: 70,909 km (0.052 R)
• M2: 300,991 km (0.048 R)
• M3: 741,856 km (0.115 R)
• M4: 1,103,434 km (0.049 R)
• M5: 1,514,080 km (0.058 R)
• M6: 1,947,914 km (0.085 R)
• M7: 2,397,455 km (0.063 R)
• M8: 2,749,310 km (0.118 R)
• M9: 3,751,167 km (0.087 R)
• M10: 4,976,373 km (0.097 R)
• M11: 7,348,397 km (0.065 R)
• M12: 7,852,691 km (0.099 R)
• M13: 8,185,397 km (0.042 R)
• M14: 9,136,241 km (0.039 R)
• M15: 9,827,832 km (0.106 R)
• M16: 10,214,393 km (0.111 R)
• M17: 10,553,681 km (0.069 R)
• M18: 12,428,142 km (0.092 R)
• M19: 14,513,537 km (0.11 R)
• M20: 16,821,233 km (0.114 R)
• M21: 19,191,462 km (0.1 R)
• M22: 19,882,455 km (0.092 R)
• M23: 23,295,530 km (0.118 R)
• M24: 23,883,450 km (0.03 R)
• M25: 25,293,709 km (0.098 R)
• M26: 26,972,346 km (0.056 R)
• M27: 29,060,583 km (0.051 R)
• M28: 31,254,137 km (0.073 R)
• M29: 31,491,249 km (0.113 R)
• M30: 32,089,342 km (0.119 R)
• M31: 35,450,507 km (0.094 R)
• M32: 41,992,122 km (0.031 R)
• M33: 44,339,612 km (0.095 R)
• M34: 46,928,104 km (0.106 R)
• M35: 48,655,660 km (0.113 R)
• M36: 52,237,033 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 19,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit