🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 9.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.51 AU - 0.81 AU

Year: 377 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,307,891 km

• M1: 123,119 km (0.102 R)
• M2: 436,826 km (0.087 R)
• M3: 838,047 km (0.054 R)
• M4: 1,215,034 km (0.106 R)
• M5: 1,583,942 km (0.114 R)
• M6: 1,961,527 km (0.081 R)
• M7: 2,484,073 km (0.06 R)
• M8: 2,797,480 km (0.049 R)
• M9: 3,178,057 km (0.08 R)
• M10: 3,515,999 km (0.103 R)
• M11: 3,866,357 km (0.117 R)
• M12: 4,190,386 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 9.9

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.24 AU - 1.34 AU

Year: 1030 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,307,891 km

• M1: 123,119 km (0.076 R)
• M2: 871,707 km (0.063 R)
• M3: 1,331,870 km (0.069 R)
• M4: 2,040,964 km (0.1 R)
• M5: 2,516,535 km (0.107 R)
• M6: 3,274,398 km (0.049 R)
• M7: 3,629,693 km (0.045 R)
• M8: 4,742,402 km (0.091 R)
• M9: 6,112,270 km (0.107 R)
• M10: 6,793,838 km (0.089 R)
• M11: 9,289,878 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.6

Radius: 13.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.75 AU - 2.59 AU

Year: 2247 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 149.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,307,891 km

• M1: 165,006 km (0.034 R)
• M2: 605,572 km (0.065 R)
• M3: 1,081,742 km (0.108 R)
• M4: 1,872,217 km (0.12 R)
• M5: 2,330,286 km (0.111 R)
• M6: 3,218,897 km (0.094 R)
• M7: 3,695,666 km (0.098 R)
• M8: 4,532,217 km (0.067 R)
• M9: 6,150,118 km (0.116 R)
• M10: 6,804,459 km (0.098 R)
• M11: 7,841,920 km (0.079 R)
• M12: 9,222,858 km (0.115 R)
• M13: 10,155,451 km (0.114 R)
• M14: 10,644,936 km (0.105 R)
• M15: 11,071,290 km (0.103 R)
• M16: 11,509,163 km (0.097 R)
• M17: 12,166,645 km (0.082 R)
• M18: 15,737,696 km (0.066 R)
• M19: 16,807,321 km (0.073 R)
• M20: 17,386,564 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 9.2

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.93 AU - 2.75 AU

Year: 2516 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,307,891 km

• M1: 114,442 km (0.114 R)
• M2: 403,765 km (0.112 R)
• M3: 819,048 km (0.063 R)
• M4: 1,110,615 km (0.09 R)
• M5: 1,743,862 km (0.114 R)
• M6: 2,443,083 km (0.103 R)
• M7: 2,780,127 km (0.097 R)
• M8: 3,771,213 km (0.113 R)
• M9: 5,675,893 km (0.054 R)
• M10: 6,164,779 km (0.099 R)
• M11: 6,598,164 km (0.088 R)
• M12: 7,138,960 km (0.109 R)
• M13: 7,556,188 km (0.069 R)
• M14: 8,604,122 km (0.079 R)
• M15: 9,531,329 km (0.091 R)
• M16: 11,025,513 km (0.108 R)
• M17: 11,828,554 km (0.111 R)
• M18: 14,006,101 km (0.101 R)
• M19: 14,566,045 km (0.117 R)
• M20: 14,995,840 km (0.066 R)
• M21: 15,780,631 km (0.113 R)
• M22: 18,576,465 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.8

Radius: 13

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.95 AU - 3.81 AU

Year: 4368 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,307,891 km

• M1: 165,306 km (0.1 R)
• M2: 709,094 km (0.094 R)
• M3: 1,619,098 km (0.092 R)
• M4: 2,050,089 km (0.118 R)
• M5: 3,500,889 km (0.085 R)
• M6: 4,887,362 km (0.105 R)
• M7: 5,804,996 km (0.096 R)
• M8: 6,550,592 km (0.111 R)
• M9: 7,770,263 km (0.07 R)
• M10: 9,733,137 km (0.086 R)
• M11: 10,917,802 km (0.064 R)
• M12: 11,499,439 km (0.067 R)
• M13: 13,470,690 km (0.089 R)
• M14: 15,158,752 km (0.041 R)
• M15: 16,456,514 km (0.087 R)
• M16: 16,983,996 km (0.088 R)
• M17: 18,321,102 km (0.057 R)
• M18: 19,858,519 km (0.077 R)
• M19: 20,389,591 km (0.1 R)
• M20: 22,252,534 km (0.099 R)
• M21: 22,825,643 km (0.107 R)
• M22: 23,335,173 km (0.098 R)
• M23: 24,301,725 km (0.061 R)
• M24: 24,833,097 km (0.043 R)
• M25: 25,683,710 km (0.115 R)
• M26: 26,633,807 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 13.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.89 AU - 4.41 AU

Year: 4902 Days

Day: 11.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 137.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,307,891 km

• M1: 172,935 km (0.065 R)
• M2: 780,452 km (0.04 R)
• M3: 1,302,249 km (0.07 R)
• M4: 2,163,784 km (0.108 R)
• M5: 2,601,058 km (0.053 R)
• M6: 3,047,309 km (0.069 R)
• M7: 3,834,044 km (0.107 R)
• M8: 4,571,412 km (0.119 R)
• M9: 5,579,103 km (0.051 R)
• M10: 6,246,459 km (0.049 R)
• M11: 7,935,569 km (0.112 R)
• M12: 10,691,909 km (0.116 R)
• M13: 13,418,331 km (0.095 R)
• M14: 15,526,613 km (0.106 R)
• M15: 17,233,076 km (0.115 R)
• M16: 18,017,867 km (0.095 R)
• M17: 19,418,252 km (0.119 R)
• M18: 20,827,464 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.1

Radius: 4.4

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.92 AU - 6.98 AU

Year: 12879 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,307,891 km

• M1: 56,398 km (0.099 R)
• M2: 347,366 km (0.038 R)
• M3: 496,515 km (0.093 R)
• M4: 1,228,199 km (0.101 R)
• M5: 4,182,308 km (0.066 R)
• M6: 5,221,564 km (0.086 R)
• M7: 8,913,490 km (0.119 R)
• M8: 10,372,069 km (0.063 R)
• M9: 13,522,152 km (0.059 R)
• M10: 16,264,879 km (0.032 R)
• M11: 24,397,169 km (0.098 R)
• M12: 25,517,806 km (0.113 R)
• M13: 30,541,303 km (0.114 R)
• M14: 33,283,432 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.1

Radius: 4.5

Gravity: 42.77 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.99 AU - 11.11 AU

Year: 20745 Days

Day: 22.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,307,891 km

• M1: 67,169 km (0.103 R)
• M2: 241,002 km (0.048 R)
• M3: 469,887 km (0.039 R)
• M4: 652,247 km (0.092 R)
• M5: 825,182 km (0.095 R)
• M6: 1,695,991 km (0.091 R)
• M7: 2,196,994 km (0.119 R)
• M8: 2,446,374 km (0.118 R)
• M9: 2,790,898 km (0.051 R)
• M10: 4,019,695 km (0.088 R)
• M11: 4,186,646 km (0.11 R)
• M12: 4,642,620 km (0.104 R)
• M13: 4,863,876 km (0.116 R)
• M14: 5,407,813 km (0.088 R)
• M15: 5,991,096 km (0.094 R)
• M16: 6,342,651 km (0.109 R)
• M17: 6,801,467 km (0.098 R)
• M18: 7,887,997 km (0.058 R)
• M19: 9,490,489 km (0.108 R)
• M20: 10,398,997 km (0.06 R)
• M21: 10,714,349 km (0.061 R)
• M22: 12,387,302 km (0.094 R)
• M23: 14,150,014 km (0.074 R)
• M24: 15,090,984 km (0.114 R)
• M25: 16,923,409 km (0.095 R)
• M26: 18,528,743 km (0.03 R)
• M27: 20,823,425 km (0.067 R)
• M28: 35,316,168 km (0.117 R)
• M29: 36,604,355 km (0.051 R)
• M30: 43,031,379 km (0.1 R)
• M31: 43,192,944 km (0.042 R)
• M32: 46,170,690 km (0.058 R)
• M33: 47,709,603 km (0.078 R)
• M34: 61,885,946 km (0.115 R)
• M35: 68,923,479 km (0.068 R)
• M36: 75,767,432 km (0.11 R)
• M37: 79,839,636 km (0.228 R)
• M38: 81,558,066 km (0.055 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: 288 - 18,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit