🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 10.6

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,164,642 km

• M1: 132,095 km (0.038 R)
• M2: 478,564 km (0.081 R)
• M3: 816,804 km (0.036 R)
• M4: 1,165,517 km (0.12 R)
• M5: 1,642,884 km (0.116 R)
• M6: 1,982,172 km (0.113 R)
• M7: 2,316,523 km (0.063 R)
• M8: 2,727,468 km (0.115 R)
• M9: 3,464,238 km (0.108 R)
• M10: 3,892,237 km (0.069 R)
• M11: 4,436,026 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 12.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.19 AU - 1.43 AU

Year: 1035 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,164,642 km

• M1: 156,779 km (0.083 R)
• M2: 600,187 km (0.091 R)
• M3: 996,172 km (0.066 R)
• M4: 1,390,213 km (0.039 R)
• M5: 2,378,307 km (0.096 R)
• M6: 3,105,053 km (0.052 R)
• M7: 3,656,621 km (0.104 R)
• M8: 4,461,457 km (0.095 R)
• M9: 4,987,144 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 11.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 1107 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,164,642 km

• M1: 144,212 km (0.098 R)
• M2: 566,826 km (0.077 R)
• M3: 931,097 km (0.038 R)
• M4: 1,477,429 km (0.079 R)
• M5: 1,845,589 km (0.098 R)
• M6: 2,583,705 km (0.112 R)
• M7: 3,056,284 km (0.087 R)
• M8: 3,696,414 km (0.1 R)
• M9: 4,299,443 km (0.109 R)
• M10: 4,737,017 km (0.115 R)
• M11: 5,491,139 km (0.108 R)
• M12: 6,186,919 km (0.08 R)
• M13: 6,842,906 km (0.053 R)
• M14: 9,063,088 km (0.095 R)
• M15: 9,510,535 km (0.117 R)
• M16: 9,910,111 km (0.107 R)
• M17: 10,320,907 km (0.115 R)
• M18: 10,875,316 km (0.098 R)
• M19: 11,902,007 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 10.3

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.28 AU - 3.04 AU

Year: 2995 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,164,642 km

• M1: 128,056 km (0.108 R)
• M2: 504,294 km (0.039 R)
• M3: 931,696 km (0.117 R)
• M4: 1,259,016 km (0.112 R)
• M5: 1,929,962 km (0.118 R)
• M6: 2,361,253 km (0.054 R)
• M7: 3,241,636 km (0.078 R)
• M8: 3,738,301 km (0.12 R)
• M9: 4,076,542 km (0.088 R)
• M10: 5,048,629 km (0.071 R)
• M11: 5,463,165 km (0.097 R)
• M12: 5,821,601 km (0.074 R)
• M13: 6,168,519 km (0.092 R)
• M14: 6,845,299 km (0.082 R)
• M15: 7,791,955 km (0.076 R)
• M16: 8,549,070 km (0.092 R)
• M17: 9,175,137 km (0.092 R)
• M18: 9,981,619 km (0.081 R)
• M19: 10,479,929 km (0.104 R)
• M20: 11,862,064 km (0.115 R)
• M21: 12,552,907 km (0.061 R)
• M22: 19,373,074 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 9.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.85 AU - 3.47 AU

Year: 3877 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,164,642 km

• M1: 125,064 km (0.08 R)
• M2: 739,761 km (0.11 R)
• M3: 1,591,871 km (0.039 R)
• M4: 2,012,989 km (0.098 R)
• M5: 2,325,200 km (0.078 R)
• M6: 3,304,168 km (0.11 R)
• M7: 3,742,490 km (0.113 R)
• M8: 4,386,808 km (0.084 R)
• M9: 5,009,883 km (0.075 R)
• M10: 5,564,891 km (0.082 R)
• M11: 5,948,610 km (0.108 R)
• M12: 6,322,604 km (0.118 R)
• M13: 7,663,600 km (0.105 R)
• M14: 10,625,189 km (0.102 R)
• M15: 11,789,509 km (0.074 R)
• M16: 13,037,006 km (0.108 R)
• M17: 14,275,526 km (0.094 R)
• M18: 15,045,656 km (0.09 R)
• M19: 15,641,056 km (0.057 R)
• M20: 17,091,856 km (0.052 R)
• M21: 17,631,007 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 11

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.17 AU - 4.71 AU

Year: 5398 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,164,642 km

• M1: 136,882 km (0.081 R)
• M2: 546,182 km (0.086 R)
• M3: 1,056,610 km (0.07 R)
• M4: 1,434,793 km (0.088 R)
• M5: 2,067,742 km (0.077 R)
• M6: 2,423,934 km (0.071 R)
• M7: 2,840,415 km (0.11 R)
• M8: 3,477,851 km (0.118 R)
• M9: 4,059,488 km (0.101 R)
• M10: 4,597,143 km (0.101 R)
• M11: 5,447,307 km (0.067 R)
• M12: 6,167,621 km (0.051 R)
• M13: 8,387,205 km (0.082 R)
• M14: 8,796,355 km (0.034 R)
• M15: 9,218,670 km (0.113 R)
• M16: 11,437,804 km (0.109 R)
• M17: 12,618,281 km (0.111 R)
• M18: 13,878,344 km (0.093 R)
• M19: 14,335,665 km (0.072 R)
• M20: 17,360,235 km (0.074 R)
• M21: 19,981,040 km (0.107 R)
• M22: 21,310,067 km (0.061 R)
• M23: 22,775,977 km (0.117 R)
• M24: 25,141,568 km (0.097 R)
• M25: 25,993,976 km (0.11 R)
• M26: 27,756,239 km (0.075 R)
• M27: 28,483,135 km (0.06 R)
• M28: 32,809,955 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56

Radius: 8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.15 AU - 9.55 AU

Year: 16655 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,164,642 km

• M1: 599,738 km (0.116 R)
• M2: 1,285,345 km (0.055 R)
• M3: 1,539,362 km (0.102 R)
• M4: 1,867,729 km (0.064 R)
• M5: 2,227,064 km (0.053 R)
• M6: 2,771,749 km (0.082 R)
• M7: 3,261,084 km (0.093 R)
• M8: 4,290,766 km (0.072 R)
• M9: 5,522,705 km (0.093 R)
• M10: 5,871,866 km (0.103 R)
• M11: 7,314,289 km (0.101 R)
• M12: 7,989,125 km (0.04 R)
• M13: 16,456,663 km (0.086 R)
• M14: 20,704,794 km (0.107 R)
• M15: 26,358,397 km (0.114 R)
• M16: 28,193,664 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.5

Radius: 6.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.96 AU - 9.8 AU

Year: 19830 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,164,642 km

• M1: 80,783 km (0.117 R)
• M2: 423,960 km (0.114 R)
• M3: 685,457 km (0.09 R)
• M4: 1,065,885 km (0.084 R)
• M5: 2,037,074 km (0.08 R)
• M6: 2,666,732 km (0.103 R)
• M7: 4,883,772 km (0.103 R)
• M8: 5,157,387 km (0.067 R)
• M9: 5,624,132 km (0.054 R)
• M10: 6,157,748 km (0.107 R)
• M11: 9,874,058 km (0.058 R)
• M12: 10,821,162 km (0.118 R)
• M13: 12,134,930 km (0.056 R)
• M14: 13,286,236 km (0.029 R)
• M15: 16,404,155 km (0.114 R)
• M16: 18,541,010 km (0.032 R)
• M17: 19,039,919 km (0.109 R)
• M18: 19,804,963 km (0.078 R)
• M19: 28,178,255 km (0.109 R)
• M20: 28,837,682 km (0.095 R)
• M21: 38,102,129 km (0.076 R)
• M22: 40,138,605 km (0.049 R)
• M23: 41,394,628 km (0.069 R)
• M24: 46,987,794 km (0.098 R)
• M25: 54,069,009 km (0.057 R)
• M26: 54,746,089 km (0.103 R)
• M27: 57,686,285 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.5

Radius: 6.2

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.6 AU - 11.5 AU

Year: 20371 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,164,642 km

• M1: 77,043 km (0.075 R)
• M2: 568,173 km (0.064 R)
• M3: 772,523 km (0.073 R)
• M4: 1,051,523 km (0.113 R)
• M5: 1,351,617 km (0.065 R)
• M6: 1,588,131 km (0.094 R)
• M7: 2,607,491 km (0.108 R)
• M8: 3,214,409 km (0.115 R)
• M9: 3,408,139 km (0.116 R)
• M10: 4,531,170 km (0.092 R)
• M11: 5,328,377 km (0.12 R)
• M12: 5,600,495 km (0.087 R)
• M13: 7,243,828 km (0.113 R)
• M14: 8,124,361 km (0.087 R)
• M15: 9,184,262 km (0.095 R)
• M16: 11,966,483 km (0.106 R)
• M17: 12,232,169 km (0.098 R)
• M18: 15,577,028 km (0.114 R)
• M19: 20,508,222 km (0.03 R)
• M20: 21,177,523 km (0.032 R)
• M21: 26,164,668 km (0.099 R)
• M22: 26,725,360 km (0.106 R)
• M23: 29,649,101 km (0.11 R)
• M24: 35,710,059 km (0.081 R)
• M25: 38,091,059 km (0.042 R)
• M26: 40,725,178 km (0.049 R)
• M27: 42,547,280 km (0.12 R)
• M28: 44,900,455 km (0.1 R)
• M29: 56,474,543 km (0.104 R)
• M30: 57,787,563 km (0.104 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: 481 - 14,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit