🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 14.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.29 AU - 1.65 AU

Year: 1209 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,330,595 km

• M1: 185,501 km (0.096 R)
• M2: 643,720 km (0.06 R)
• M3: 1,166,714 km (0.103 R)
• M4: 2,029,445 km (0.119 R)
• M5: 2,977,746 km (0.085 R)
• M6: 4,141,617 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 15

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.35 AU - 1.67 AU

Year: 1259 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,330,595 km

• M1: 186,698 km (0.116 R)
• M2: 713,283 km (0.053 R)
• M3: 1,323,642 km (0.066 R)
• M4: 1,874,312 km (0.062 R)
• M5: 2,526,110 km (0.105 R)
• M6: 3,103,109 km (0.11 R)
• M7: 4,053,654 km (0.088 R)
• M8: 4,622,125 km (0.095 R)
• M9: 5,844,938 km (0.113 R)
• M10: 7,035,139 km (0.106 R)
• M11: 7,768,318 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 14.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.83 AU - 2.71 AU

Year: 2320 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,330,595 km

• M1: 179,069 km (0.083 R)
• M2: 972,386 km (0.096 R)
• M3: 1,557,912 km (0.09 R)
• M4: 2,007,005 km (0.112 R)
• M5: 2,530,298 km (0.057 R)
• M6: 3,111,785 km (0.108 R)
• M7: 3,763,284 km (0.118 R)
• M8: 4,357,337 km (0.104 R)
• M9: 4,810,020 km (0.1 R)
• M10: 5,610,369 km (0.105 R)
• M11: 6,720,086 km (0.033 R)
• M12: 7,752,610 km (0.045 R)
• M13: 9,874,955 km (0.103 R)
• M14: 11,288,955 km (0.109 R)
• M15: 12,965,348 km (0.115 R)
• M16: 13,499,263 km (0.1 R)
• M17: 17,389,556 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 13

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.36 AU - 2.88 AU

Year: 2876 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,330,595 km

• M1: 162,463 km (0.108 R)
• M2: 647,460 km (0.099 R)
• M3: 1,064,688 km (0.104 R)
• M4: 1,534,725 km (0.054 R)
• M5: 2,133,415 km (0.104 R)
• M6: 2,539,274 km (0.068 R)
• M7: 3,447,633 km (0.085 R)
• M8: 4,915,337 km (0.109 R)
• M9: 5,329,723 km (0.105 R)
• M10: 6,518,129 km (0.089 R)
• M11: 7,547,063 km (0.092 R)
• M12: 10,288,893 km (0.098 R)
• M13: 10,728,561 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 12.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.98 AU - 4.38 AU

Year: 4788 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,330,595 km

• M1: 152,739 km (0.105 R)
• M2: 708,944 km (0.105 R)
• M3: 1,315,863 km (0.111 R)
• M4: 1,839,156 km (0.07 R)
• M5: 2,410,770 km (0.066 R)
• M6: 3,151,429 km (0.038 R)
• M7: 5,134,648 km (0.049 R)
• M8: 12,665,853 km (0.047 R)
• M9: 16,802,384 km (0.105 R)
• M10: 21,828,723 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 14.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.82 AU - 4 AU

Year: 5244 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,330,595 km

• M1: 182,809 km (0.072 R)
• M2: 762,650 km (0.054 R)
• M3: 1,319,752 km (0.081 R)
• M4: 2,152,863 km (0.08 R)
• M5: 3,004,524 km (0.115 R)
• M6: 4,413,586 km (0.116 R)
• M7: 5,279,159 km (0.102 R)
• M8: 6,007,402 km (0.108 R)
• M9: 7,011,353 km (0.098 R)
• M10: 7,665,694 km (0.068 R)
• M11: 8,776,309 km (0.111 R)
• M12: 10,420,988 km (0.111 R)
• M13: 12,174,873 km (0.062 R)
• M14: 13,076,200 km (0.076 R)
• M15: 14,215,986 km (0.112 R)
• M16: 15,012,146 km (0.057 R)
• M17: 17,021,994 km (0.076 R)
• M18: 18,908,423 km (0.118 R)
• M19: 20,241,041 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327

Radius: 8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.85 AU - 7.19 AU

Year: 10018 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,330,595 km

• M1: 100,231 km (0.097 R)
• M2: 492,327 km (0.051 R)
• M3: 764,595 km (0.065 R)
• M4: 1,089,372 km (0.059 R)
• M5: 1,689,558 km (0.095 R)
• M6: 2,072,080 km (0.098 R)
• M7: 2,493,497 km (0.111 R)
• M8: 2,831,588 km (0.098 R)
• M9: 3,836,437 km (0.07 R)
• M10: 5,003,450 km (0.117 R)
• M11: 5,268,687 km (0.086 R)
• M12: 5,700,128 km (0.114 R)
• M13: 6,088,484 km (0.039 R)
• M14: 6,846,347 km (0.109 R)
• M15: 7,550,205 km (0.096 R)
• M16: 8,018,895 km (0.092 R)
• M17: 9,768,292 km (0.075 R)
• M18: 10,902,842 km (0.1 R)
• M19: 12,549,167 km (0.101 R)
• M20: 12,985,245 km (0.106 R)
• M21: 13,658,435 km (0.108 R)
• M22: 14,003,557 km (0.048 R)
• M23: 16,326,663 km (0.114 R)
• M24: 23,316,324 km (0.06 R)
• M25: 26,648,617 km (0.106 R)
• M26: 31,169,464 km (0.116 R)
• M27: 36,176,206 km (0.075 R)
• M28: 36,505,920 km (0.11 R)
• M29: 36,948,430 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.5

Radius: 8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.46 AU - 9.98 AU

Year: 15984 Days

Day: 23.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,330,595 km

• M1: 99,483 km (0.101 R)
• M2: 416,480 km (0.09 R)
• M3: 1,263,803 km (0.113 R)
• M4: 1,764,058 km (0.076 R)
• M5: 3,260,635 km (0.11 R)
• M6: 4,126,807 km (0.096 R)
• M7: 4,857,293 km (0.119 R)
• M8: 5,429,954 km (0.04 R)
• M9: 7,094,081 km (0.118 R)
• M10: 7,419,755 km (0.12 R)
• M11: 8,297,296 km (0.103 R)
• M12: 9,072,961 km (0.057 R)
• M13: 11,393,673 km (0.091 R)
• M14: 13,470,839 km (0.118 R)
• M15: 15,788,110 km (0.101 R)
• M16: 18,156,843 km (0.106 R)
• M17: 24,069,101 km (0.114 R)
• M18: 31,826,947 km (0.118 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: 383 - 16,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit