🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 12

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.78 AU - 1.23 AU

Year: 678 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,758,314 km

• M1: 149,299 km (0.109 R)
• M2: 624,272 km (0.119 R)
• M3: 1,061,696 km (0.116 R)
• M4: 1,445,714 km (0.081 R)
• M5: 2,122,943 km (0.05 R)
• M6: 2,931,370 km (0.115 R)
• M7: 3,807,116 km (0.082 R)
• M8: 5,474,085 km (0.057 R)
• M9: 5,862,591 km (0.117 R)
• M10: 6,778,878 km (0.119 R)
• M11: 7,162,447 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.3

Radius: 12

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.32 AU - 2 AU

Year: 1451 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,758,314 km

• M1: 153,039 km (0.078 R)
• M2: 574,157 km (0.094 R)
• M3: 960,418 km (0.106 R)
• M4: 1,515,426 km (0.103 R)
• M5: 1,931,309 km (0.098 R)
• M6: 2,384,740 km (0.081 R)
• M7: 3,396,021 km (0.082 R)
• M8: 3,936,818 km (0.071 R)
• M9: 4,323,827 km (0.097 R)
• M10: 4,976,972 km (0.026 R)
• M11: 6,422,237 km (0.071 R)
• M12: 6,798,475 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 12.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.6 AU - 2.44 AU

Year: 1947 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,758,314 km

• M1: 155,731 km (0.111 R)
• M2: 595,998 km (0.101 R)
• M3: 1,237,773 km (0.117 R)
• M4: 1,892,114 km (0.1 R)
• M5: 3,099,069 km (0.089 R)
• M6: 3,801,431 km (0.104 R)
• M7: 5,979,277 km (0.049 R)
• M8: 6,699,292 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 11.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.1 AU - 3.46 AU

Year: 4029 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,758,314 km

• M1: 140,472 km (0.089 R)
• M2: 532,269 km (0.049 R)
• M3: 905,815 km (0.057 R)
• M4: 1,360,593 km (0.079 R)
• M5: 1,779,018 km (0.038 R)
• M6: 2,283,462 km (0.116 R)
• M7: 3,074,087 km (0.116 R)
• M8: 4,081,927 km (0.088 R)
• M9: 7,243,230 km (0.115 R)
• M10: 8,755,664 km (0.082 R)
• M11: 9,164,665 km (0.066 R)
• M12: 10,345,590 km (0.084 R)
• M13: 12,211,225 km (0.111 R)
• M14: 13,887,619 km (0.077 R)
• M15: 14,651,167 km (0.102 R)
• M16: 16,429,437 km (0.11 R)
• M17: 17,341,684 km (0.077 R)
• M18: 18,589,630 km (0.061 R)
• M19: 19,769,508 km (0.114 R)
• M20: 20,540,087 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.56 AU - 4.14 AU

Year: 5124 Days

Day: 6.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,758,314 km

• M1: 112,198 km (0.093 R)
• M2: 484,697 km (0.066 R)
• M3: 927,208 km (0.071 R)
• M4: 1,227,151 km (0.066 R)
• M5: 1,514,080 km (0.083 R)
• M6: 1,936,993 km (0.051 R)
• M7: 2,242,173 km (0.097 R)
• M8: 2,846,099 km (0.095 R)
• M9: 3,656,022 km (0.098 R)
• M10: 7,533,898 km (0.083 R)
• M11: 7,874,234 km (0.107 R)
• M12: 9,653,551 km (0.03 R)
• M13: 10,178,340 km (0.081 R)
• M14: 12,946,649 km (0.058 R)
• M15: 14,712,951 km (0.108 R)
• M16: 17,212,432 km (0.056 R)
• M17: 18,044,645 km (0.084 R)
• M18: 18,531,885 km (0.081 R)
• M19: 21,101,677 km (0.106 R)
• M20: 21,848,021 km (0.114 R)
• M21: 22,752,639 km (0.046 R)
• M22: 25,463,802 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 12.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.17 AU - 5.39 AU

Year: 7088 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,758,314 km

• M1: 175,628 km (0.115 R)
• M2: 752,627 km (0.112 R)
• M3: 1,775,577 km (0.084 R)
• M4: 2,631,277 km (0.063 R)
• M5: 3,132,579 km (0.039 R)
• M6: 4,771,274 km (0.103 R)
• M7: 6,740,132 km (0.107 R)
• M8: 7,568,306 km (0.118 R)
• M9: 8,633,293 km (0.087 R)
• M10: 10,808,446 km (0.102 R)
• M11: 12,320,282 km (0.092 R)
• M12: 13,384,671 km (0.101 R)
• M13: 17,769,684 km (0.117 R)
• M14: 19,794,341 km (0.107 R)
• M15: 24,992,269 km (0.078 R)
• M16: 32,059,422 km (0.11 R)
• M17: 33,852,801 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 14.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.84 AU - 5.52 AU

Year: 7996 Days

Day: 7.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,758,314 km

• M1: 185,801 km (0.087 R)
• M2: 1,766,003 km (0.11 R)
• M3: 3,601,120 km (0.08 R)
• M4: 7,965,039 km (0.113 R)
• M5: 13,093,554 km (0.114 R)
• M6: 14,144,479 km (0.054 R)
• M7: 15,632,379 km (0.104 R)
• M8: 17,222,455 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.1

Radius: 7.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.24 AU - 6.62 AU

Year: 9794 Days

Day: 21.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,758,314 km

• M1: 229,034 km (0.057 R)
• M2: 476,918 km (0.052 R)
• M3: 868,416 km (0.063 R)
• M4: 1,143,227 km (0.118 R)
• M5: 1,874,162 km (0.071 R)
• M6: 2,325,200 km (0.093 R)
• M7: 7,347,499 km (0.096 R)
• M8: 9,232,283 km (0.118 R)
• M9: 9,525,495 km (0.106 R)
• M10: 11,086,549 km (0.05 R)
• M11: 13,818,505 km (0.097 R)
• M12: 19,249,506 km (0.084 R)
• M13: 28,433,469 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.5

Radius: 5

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.67 AU - 11.49 AU

Year: 20111 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,758,314 km

• M1: 62,233 km (0.113 R)
• M2: 232,475 km (0.095 R)
• M3: 827,725 km (0.062 R)
• M4: 990,637 km (0.084 R)
• M5: 1,175,091 km (0.076 R)
• M6: 1,922,482 km (0.071 R)
• M7: 3,915,275 km (0.116 R)
• M8: 4,085,667 km (0.12 R)
• M9: 7,148,235 km (0.094 R)
• M10: 7,403,299 km (0.073 R)
• M11: 7,752,910 km (0.059 R)
• M12: 15,362,056 km (0.052 R)
• M13: 16,074,740 km (0.107 R)
• M14: 18,108,523 km (0.114 R)
• M15: 20,223,239 km (0.115 R)
• M16: 22,587,782 km (0.098 R)
• M17: 23,137,106 km (0.067 R)
• M18: 25,621,029 km (0.104 R)
• M19: 33,534,008 km (0.077 R)
• M20: 41,008,367 km (0.12 R)
• M21: 44,057,471 km (0.068 R)
• M22: 44,914,367 km (0.063 R)
• M23: 45,782,484 km (0.078 R)
• M24: 47,105,527 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit