🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.4

Radius: 10.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,124,168 km

• M1: 130,898 km (0.059 R)
• M2: 492,027 km (0.097 R)
• M3: 843,732 km (0.066 R)
• M4: 1,218,624 km (0.072 R)
• M5: 1,555,219 km (0.119 R)
• M6: 1,887,177 km (0.104 R)
• M7: 2,229,158 km (0.112 R)
• M8: 3,012,303 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 11.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.96 AU - 1.1 AU

Year: 709 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,124,168 km

• M1: 143,016 km (0.111 R)
• M2: 511,774 km (0.12 R)
• M3: 926,011 km (0.114 R)
• M4: 1,338,901 km (0.092 R)
• M5: 1,798,466 km (0.111 R)
• M6: 2,231,252 km (0.1 R)
• M7: 3,193,915 km (0.051 R)
• M8: 3,593,640 km (0.068 R)
• M9: 3,952,376 km (0.105 R)
• M10: 4,366,762 km (0.087 R)
• M11: 5,711,198 km (0.046 R)
• M12: 6,101,798 km (0.053 R)
• M13: 6,742,675 km (0.092 R)
• M14: 7,918,066 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 8

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.75 AU - 2.33 AU

Year: 1976 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,124,168 km

• M1: 99,632 km (0.061 R)
• M2: 545,135 km (0.11 R)
• M3: 988,992 km (0.112 R)
• M4: 1,345,034 km (0.056 R)
• M5: 1,669,363 km (0.096 R)
• M6: 2,292,587 km (0.116 R)
• M7: 2,643,993 km (0.081 R)
• M8: 3,125,548 km (0.096 R)
• M9: 3,541,430 km (0.088 R)
• M10: 5,420,828 km (0.109 R)
• M11: 6,047,195 km (0.116 R)
• M12: 6,992,952 km (0.119 R)
• M13: 8,064,372 km (0.119 R)
• M14: 9,819,006 km (0.05 R)
• M15: 10,098,903 km (0.113 R)
• M16: 10,638,353 km (0.05 R)
• M17: 10,896,559 km (0.072 R)
• M18: 11,349,093 km (0.087 R)
• M19: 12,331,951 km (0.079 R)
• M20: 14,109,024 km (0.099 R)
• M21: 14,376,206 km (0.106 R)
• M22: 15,667,684 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 14.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.21 AU - 5.19 AU

Year: 5838 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,124,168 km

• M1: 177,124 km (0.115 R)
• M2: 769,831 km (0.09 R)
• M3: 1,601,146 km (0.099 R)
• M4: 3,282,476 km (0.081 R)
• M5: 4,295,852 km (0.086 R)
• M6: 5,043,393 km (0.103 R)
• M7: 6,525,908 km (0.098 R)
• M8: 7,552,897 km (0.104 R)
• M9: 10,615,166 km (0.045 R)
• M10: 15,368,638 km (0.103 R)
• M11: 16,668,494 km (0.112 R)
• M12: 17,182,512 km (0.103 R)
• M13: 21,307,075 km (0.074 R)
• M14: 22,374,905 km (0.111 R)
• M15: 25,707,796 km (0.057 R)
• M16: 30,298,805 km (0.088 R)
• M17: 32,537,686 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 4.6

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.19 AU - 7.43 AU

Year: 10751 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,124,168 km

• M1: 58,493 km (0.067 R)
• M2: 531,222 km (0.08 R)
• M3: 692,189 km (0.117 R)
• M4: 1,357,900 km (0.116 R)
• M5: 1,915,302 km (0.064 R)
• M6: 2,778,930 km (0.101 R)
• M7: 3,086,802 km (0.047 R)
• M8: 3,490,866 km (0.114 R)
• M9: 3,770,465 km (0.069 R)
• M10: 4,120,075 km (0.086 R)
• M11: 5,168,756 km (0.032 R)
• M12: 6,763,469 km (0.076 R)
• M13: 7,609,296 km (0.118 R)
• M14: 8,936,528 km (0.065 R)
• M15: 10,566,696 km (0.081 R)
• M16: 16,207,134 km (0.095 R)
• M17: 18,995,190 km (0.083 R)
• M18: 23,040,914 km (0.073 R)
• M19: 27,924,238 km (0.065 R)
• M20: 34,365,324 km (0.088 R)
• M21: 42,651,400 km (0.074 R)
• M22: 46,898,783 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.4

Radius: 5.7

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.64 AU - 8.76 AU

Year: 13104 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,124,168 km

• M1: 111,750 km (0.115 R)
• M2: 445,502 km (0.072 R)
• M3: 639,531 km (0.076 R)
• M4: 978,968 km (0.049 R)
• M5: 1,900,342 km (0.113 R)
• M6: 3,001,532 km (0.073 R)
• M7: 3,868,601 km (0.116 R)
• M8: 4,164,057 km (0.094 R)
• M9: 5,942,476 km (0.11 R)
• M10: 7,622,012 km (0.118 R)
• M11: 7,831,000 km (0.098 R)
• M12: 8,570,163 km (0.118 R)
• M13: 14,134,306 km (0.1 R)
• M14: 17,005,987 km (0.091 R)
• M15: 17,219,762 km (0.073 R)
• M16: 21,216,120 km (0.115 R)
• M17: 23,165,380 km (0.11 R)
• M18: 27,221,577 km (0.118 R)
• M19: 29,931,392 km (0.074 R)
• M20: 30,138,885 km (0.077 R)
• M21: 32,486,374 km (0.075 R)
• M22: 43,361,691 km (0.104 R)
• M23: 44,431,764 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.5

Radius: 5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.43 AU - 8.23 AU

Year: 13460 Days

Day: 22.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,124,168 km

• M1: 62,233 km (0.057 R)
• M2: 307,124 km (0.117 R)
• M3: 1,466,508 km (0.104 R)
• M4: 1,889,421 km (0.084 R)
• M5: 2,160,792 km (0.105 R)
• M6: 2,372,622 km (0.031 R)
• M7: 3,972,871 km (0.093 R)
• M8: 4,191,882 km (0.113 R)
• M9: 6,881,951 km (0.065 R)
• M10: 7,127,142 km (0.043 R)
• M11: 7,598,076 km (0.12 R)
• M12: 8,845,124 km (0.102 R)
• M13: 9,909,961 km (0.067 R)
• M14: 13,944,167 km (0.11 R)
• M15: 16,351,047 km (0.061 R)
• M16: 17,425,310 km (0.095 R)
• M17: 18,748,503 km (0.077 R)
• M18: 19,504,122 km (0.106 R)
• M19: 23,906,488 km (0.061 R)
• M20: 24,469,125 km (0.056 R)
• M21: 27,590,335 km (0.116 R)
• M22: 28,387,692 km (0.067 R)
• M23: 29,658,526 km (0.029 R)
• M24: 31,635,163 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.8

Radius: 4

Gravity: 57.11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.28 AU - 12.13 AU

Year: 20490 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,124,168 km

• M1: 49,966 km (0.091 R)
• M2: 254,466 km (0.069 R)
• M3: 1,316,312 km (0.078 R)
• M4: 8,063,475 km (0.101 R)
• M5: 8,330,507 km (0.1 R)
• M6: 9,695,438 km (0.092 R)
• M7: 10,876,663 km (0.092 R)
• M8: 12,081,075 km (0.111 R)
• M9: 15,557,431 km (0.095 R)
• M10: 16,477,607 km (0.067 R)
• M11: 17,880,087 km (0.054 R)
• M12: 26,799,860 km (0.115 R)
• M13: 27,876,067 km (0.115 R)
• M14: 28,241,236 km (0.1 R)
• M15: 37,395,429 km (0.118 R)
• M16: 40,112,275 km (0.072 R)
• M17: 41,046,215 km (0.095 R)
• M18: 41,835,643 km (0.119 R)
• M19: 43,607,779 km (0.088 R)
• M20: 51,379,538 km (0.056 R)
• M21: 57,828,104 km (0.119 R)
• M22: 60,226,906 km (0.074 R)
• M23: 60,836,816 km (0.097 R)
• M24: 64,795,475 km (0.106 R)
• M25: 80,858,696 km (0.149 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit