🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 9.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.65 AU - 0.71 AU

Year: 368 Days

Day: 14.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,183,634 km

• M1: 122,072 km (0.057 R)
• M2: 430,543 km (0.066 R)
• M3: 980,165 km (0.109 R)
• M4: 1,293,722 km (0.099 R)
• M5: 1,662,631 km (0.108 R)
• M6: 2,003,714 km (0.08 R)
• M7: 2,349,883 km (0.052 R)
• M8: 3,083,212 km (0.096 R)
• M9: 3,902,709 km (0.072 R)
• M10: 4,231,226 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 10.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.17 AU - 1.85 AU

Year: 1217 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,183,634 km

• M1: 130,599 km (0.049 R)
• M2: 458,517 km (0.049 R)
• M3: 791,822 km (0.062 R)
• M4: 1,482,365 km (0.091 R)
• M5: 2,107,684 km (0.091 R)
• M6: 2,638,009 km (0.096 R)
• M7: 3,167,885 km (0.096 R)
• M8: 3,686,690 km (0.12 R)
• M9: 4,155,679 km (0.114 R)
• M10: 4,551,964 km (0.049 R)
• M11: 4,993,128 km (0.1 R)
• M12: 5,611,416 km (0.036 R)
• M13: 6,730,408 km (0.088 R)
• M14: 7,563,968 km (0.118 R)
• M15: 8,046,869 km (0.095 R)
• M16: 8,664,858 km (0.096 R)
• M17: 10,123,288 km (0.05 R)
• M18: 10,843,751 km (0.062 R)
• M19: 11,250,957 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 13.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.64 AU - 2.28 AU

Year: 1800 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,183,634 km

• M1: 166,802 km (0.056 R)
• M2: 634,594 km (0.072 R)
• M3: 1,212,042 km (0.043 R)
• M4: 4,134,586 km (0.073 R)
• M5: 4,724,151 km (0.064 R)
• M6: 5,306,685 km (0.054 R)
• M7: 6,738,486 km (0.077 R)
• M8: 7,269,110 km (0.114 R)
• M9: 9,090,763 km (0.069 R)
• M10: 11,130,530 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 15

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.82 AU - 5.58 AU

Year: 6684 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,183,634 km

• M1: 186,848 km (0.073 R)
• M2: 710,889 km (0.085 R)
• M3: 1,269,188 km (0.113 R)
• M4: 1,845,739 km (0.082 R)
• M5: 3,213,811 km (0.074 R)
• M6: 4,334,000 km (0.119 R)
• M7: 5,450,449 km (0.1 R)
• M8: 6,225,964 km (0.113 R)
• M9: 6,719,637 km (0.092 R)
• M10: 7,786,120 km (0.102 R)
• M11: 8,657,977 km (0.057 R)
• M12: 10,814,280 km (0.097 R)
• M13: 11,484,778 km (0.105 R)
• M14: 13,767,342 km (0.116 R)
• M15: 14,609,429 km (0.116 R)
• M16: 15,485,474 km (0.059 R)
• M17: 16,050,655 km (0.107 R)
• M18: 18,703,025 km (0.08 R)
• M19: 19,605,100 km (0.034 R)
• M20: 23,138,303 km (0.06 R)
• M21: 27,566,848 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.6

Radius: 3.5

Gravity: 80.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.02 AU - 8.08 AU

Year: 10997 Days

Day: 19.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,183,634 km

• M1: 43,533 km (0.085 R)
• M2: 205,398 km (0.063 R)
• M3: 358,287 km (0.103 R)
• M4: 902,823 km (0.086 R)
• M5: 2,372,921 km (0.105 R)
• M6: 3,363,409 km (0.047 R)
• M7: 5,268,837 km (0.09 R)
• M8: 5,922,729 km (0.104 R)
• M9: 6,269,198 km (0.102 R)
• M10: 10,126,878 km (0.114 R)
• M11: 11,899,164 km (0.049 R)
• M12: 12,700,261 km (0.111 R)
• M13: 12,890,101 km (0.062 R)
• M14: 14,340,601 km (0.118 R)
• M15: 14,546,448 km (0.068 R)
• M16: 15,318,224 km (0.065 R)
• M17: 16,488,977 km (0.078 R)
• M18: 18,760,620 km (0.071 R)
• M19: 19,758,737 km (0.088 R)
• M20: 21,055,302 km (0.098 R)
• M21: 22,964,320 km (0.095 R)
• M22: 32,105,049 km (0.11 R)
• M23: 34,380,134 km (0.066 R)
• M24: 39,248,049 km (0.081 R)
• M25: 43,400,736 km (0.102 R)
• M26: 43,687,515 km (0.096 R)
• M27: 46,625,468 km (0.096 R)
• M28: 49,068,700 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.1

Radius: 6.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.5 AU - 7.82 AU

Year: 11275 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,183,634 km

• M1: 95,294 km (0.115 R)
• M2: 479,012 km (0.091 R)
• M3: 1,226,403 km (0.113 R)
• M4: 1,972,897 km (0.062 R)
• M5: 2,199,986 km (0.091 R)
• M6: 2,427,824 km (0.099 R)
• M7: 4,835,302 km (0.059 R)
• M8: 6,743,274 km (0.112 R)
• M9: 9,186,805 km (0.059 R)
• M10: 11,283,569 km (0.1 R)
• M11: 14,230,348 km (0.114 R)
• M12: 21,221,505 km (0.104 R)
• M13: 27,866,942 km (0.082 R)
• M14: 29,019,444 km (0.086 R)
• M15: 31,135,954 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 11,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit