🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 13.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.73 AU

Year: 319 Days

Day: 14 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,096,557 km

• M1: 169,195 km (0.049 R)
• M2: 919,429 km (0.069 R)
• M3: 1,365,380 km (0.111 R)
• M4: 1,906,924 km (0.072 R)
• M5: 2,444,130 km (0.117 R)
• M6: 2,976,848 km (0.035 R)
• M7: 3,412,627 km (0.076 R)
• M8: 4,279,546 km (0.111 R)
• M9: 4,852,656 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 14

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.64 AU - 0.9 AU

Year: 475 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,096,557 km

• M1: 178,171 km (0.109 R)
• M2: 629,508 km (0.095 R)
• M3: 1,141,881 km (0.09 R)
• M4: 1,766,452 km (0.095 R)
• M5: 2,259,676 km (0.063 R)
• M6: 3,007,516 km (0.051 R)
• M7: 3,730,971 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 8.8

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.01 AU - 1.65 AU

Year: 1078 Days

Day: 12.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,096,557 km

• M1: 109,655 km (0.115 R)
• M2: 407,205 km (0.082 R)
• M3: 1,164,619 km (0.081 R)
• M4: 1,501,514 km (0.032 R)
• M5: 1,845,888 km (0.066 R)
• M6: 2,696,053 km (0.031 R)
• M7: 3,058,379 km (0.104 R)
• M8: 3,632,236 km (0.102 R)
• M9: 3,961,352 km (0.101 R)
• M10: 4,310,363 km (0.089 R)
• M11: 4,643,668 km (0.103 R)
• M12: 6,109,727 km (0.115 R)
• M13: 6,418,497 km (0.074 R)
• M14: 6,924,885 km (0.117 R)
• M15: 7,212,113 km (0.077 R)
• M16: 7,582,368 km (0.109 R)
• M17: 8,069,608 km (0.087 R)
• M18: 9,335,954 km (0.091 R)
• M19: 10,384,486 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 9.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.72 AU - 1.8 AU

Year: 1641 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,096,557 km

• M1: 122,221 km (0.108 R)
• M2: 636,389 km (0.084 R)
• M3: 958,474 km (0.093 R)
• M4: 1,463,815 km (0.12 R)
• M5: 2,023,910 km (0.118 R)
• M6: 4,294,955 km (0.082 R)
• M7: 4,794,313 km (0.047 R)
• M8: 5,673,798 km (0.108 R)
• M9: 6,054,375 km (0.062 R)
• M10: 7,924,349 km (0.075 R)
• M11: 8,370,450 km (0.082 R)
• M12: 8,708,092 km (0.054 R)
• M13: 9,911,308 km (0.11 R)
• M14: 11,222,084 km (0.111 R)
• M15: 12,684,852 km (0.082 R)
• M16: 15,111,629 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 9

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.83 AU - 1.85 AU

Year: 1754 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,096,557 km

• M1: 111,899 km (0.115 R)
• M2: 442,211 km (0.107 R)
• M3: 820,096 km (0.11 R)
• M4: 1,112,559 km (0.071 R)
• M5: 1,523,355 km (0.094 R)
• M6: 2,165,878 km (0.107 R)
• M7: 2,668,377 km (0.108 R)
• M8: 3,040,128 km (0.067 R)
• M9: 3,851,696 km (0.037 R)
• M10: 4,800,745 km (0.093 R)
• M11: 7,016,140 km (0.074 R)
• M12: 7,552,897 km (0.034 R)
• M13: 8,300,438 km (0.063 R)
• M14: 9,361,685 km (0.12 R)
• M15: 9,700,375 km (0.101 R)
• M16: 12,630,997 km (0.064 R)
• M17: 14,164,076 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 8.1

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.08 AU - 3.18 AU

Year: 2998 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,096,557 km

• M1: 100,679 km (0.073 R)
• M2: 378,183 km (0.099 R)
• M3: 964,308 km (0.086 R)
• M4: 1,357,750 km (0.096 R)
• M5: 1,732,792 km (0.051 R)
• M6: 2,024,658 km (0.108 R)
• M7: 2,927,780 km (0.057 R)
• M8: 3,698,508 km (0.1 R)
• M9: 4,012,065 km (0.086 R)
• M10: 4,550,917 km (0.076 R)
• M11: 5,035,913 km (0.118 R)
• M12: 5,690,254 km (0.116 R)
• M13: 6,977,843 km (0.09 R)
• M14: 7,858,227 km (0.089 R)
• M15: 8,556,699 km (0.113 R)
• M16: 9,144,768 km (0.077 R)
• M17: 9,996,878 km (0.112 R)
• M18: 14,962,330 km (0.041 R)
• M19: 16,588,160 km (0.053 R)
• M20: 19,429,173 km (0.045 R)
• M21: 20,379,568 km (0.12 R)
• M22: 22,579,106 km (0.057 R)
• M23: 24,130,436 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 12

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.6 AU - 4.5 AU

Year: 5729 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,096,557 km

• M1: 154,684 km (0.119 R)
• M2: 831,615 km (0.102 R)
• M3: 1,383,631 km (0.119 R)
• M4: 1,962,724 km (0.073 R)
• M5: 4,252,469 km (0.067 R)
• M6: 4,747,488 km (0.106 R)
• M7: 6,236,885 km (0.027 R)
• M8: 6,808,349 km (0.053 R)
• M9: 8,450,933 km (0.056 R)
• M10: 10,251,792 km (0.036 R)
• M11: 10,668,722 km (0.074 R)
• M12: 11,145,490 km (0.081 R)
• M13: 13,745,651 km (0.113 R)
• M14: 16,285,224 km (0.092 R)
• M15: 16,982,051 km (0.059 R)
• M16: 17,632,802 km (0.102 R)
• M17: 19,262,371 km (0.069 R)
• M18: 20,990,077 km (0.105 R)
• M19: 22,507,149 km (0.113 R)
• M20: 23,371,975 km (0.07 R)
• M21: 24,834,892 km (0.057 R)
• M22: 26,617,650 km (0.117 R)
• M23: 27,852,580 km (0.119 R)
• M24: 31,884,841 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 9.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.09 AU - 5.21 AU

Year: 7048 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,096,557 km

• M1: 117,883 km (0.059 R)
• M2: 409,300 km (0.041 R)
• M3: 726,298 km (0.088 R)
• M4: 1,030,281 km (0.057 R)
• M5: 1,421,329 km (0.069 R)
• M6: 2,086,890 km (0.076 R)
• M7: 2,795,236 km (0.07 R)
• M8: 3,723,341 km (0.108 R)
• M9: 4,147,451 km (0.12 R)
• M10: 7,405,095 km (0.087 R)
• M11: 10,477,984 km (0.108 R)
• M12: 10,943,234 km (0.116 R)
• M13: 12,116,530 km (0.033 R)
• M14: 13,371,656 km (0.084 R)
• M15: 14,596,414 km (0.114 R)
• M16: 17,983,010 km (0.052 R)
• M17: 18,853,969 km (0.115 R)
• M18: 19,752,753 km (0.046 R)
• M19: 23,635,267 km (0.12 R)
• M20: 25,337,840 km (0.063 R)
• M21: 26,947,364 km (0.106 R)
• M22: 28,804,322 km (0.113 R)
• M23: 31,892,471 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.9

Radius: 5.8

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.08 AU - 8.6 AU

Year: 13978 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,096,557 km

• M1: 72,405 km (0.043 R)
• M2: 326,871 km (0.088 R)
• M3: 516,113 km (0.058 R)
• M4: 962,064 km (0.095 R)
• M5: 1,592,320 km (0.053 R)
• M6: 3,598,128 km (0.063 R)
• M7: 5,104,579 km (0.092 R)
• M8: 5,817,712 km (0.09 R)
• M9: 7,191,469 km (0.078 R)
• M10: 9,390,408 km (0.071 R)
• M11: 11,266,216 km (0.053 R)
• M12: 15,602,759 km (0.064 R)
• M13: 17,166,655 km (0.102 R)
• M14: 21,698,872 km (0.109 R)
• M15: 22,833,721 km (0.1 R)
• M16: 26,573,668 km (0.087 R)
• M17: 32,466,777 km (0.117 R)
• M18: 33,718,462 km (0.1 R)
• M19: 33,949,442 km (0.092 R)
• M20: 35,476,537 km (0.055 R)
• M21: 44,493,847 km (0.045 R)
• M22: 47,615,057 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.7

Radius: 5.1

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.69 AU - 10.25 AU

Year: 22128 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,096,557 km

• M1: 65,973 km (0.068 R)
• M2: 228,137 km (0.112 R)
• M3: 396,285 km (0.099 R)
• M4: 660,026 km (0.042 R)
• M5: 957,127 km (0.099 R)
• M6: 1,168,060 km (0.07 R)
• M7: 1,700,629 km (0.117 R)
• M8: 2,201,333 km (0.091 R)
• M9: 3,055,237 km (0.039 R)
• M10: 3,624,457 km (0.033 R)
• M11: 3,963,446 km (0.036 R)
• M12: 4,323,229 km (0.11 R)
• M13: 5,570,426 km (0.078 R)
• M14: 6,256,482 km (0.053 R)
• M15: 6,578,866 km (0.106 R)
• M16: 8,700,911 km (0.093 R)
• M17: 11,122,751 km (0.09 R)
• M18: 12,143,906 km (0.104 R)
• M19: 12,330,455 km (0.076 R)
• M20: 12,772,965 km (0.1 R)
• M21: 13,423,567 km (0.1 R)
• M22: 13,756,871 km (0.075 R)
• M23: 14,509,946 km (0.069 R)
• M24: 17,638,487 km (0.106 R)
• M25: 21,099,134 km (0.115 R)
• M26: 21,823,487 km (0.099 R)
• M27: 23,035,529 km (0.074 R)
• M28: 26,625,130 km (0.096 R)
• M29: 28,333,687 km (0.071 R)
• M30: 29,887,411 km (0.083 R)
• M31: 37,585,717 km (0.076 R)
• M32: 38,648,909 km (0.092 R)
• M33: 40,974,258 km (0.102 R)
• M34: 52,351,326 km (0.116 R)
• M35: 54,178,963 km (0.104 R)
• M36: 56,566,096 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 16,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit