🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 9.8

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.07 AU

Year: 507 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 133.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,545,979 km

• M1: 121,922 km (0.103 R)
• M2: 516,861 km (0.078 R)
• M3: 851,960 km (0.086 R)
• M4: 1,253,929 km (0.096 R)
• M5: 1,558,660 km (0.072 R)
• M6: 2,125,187 km (0.118 R)
• M7: 2,575,327 km (0.074 R)
• M8: 2,971,313 km (0.079 R)
• M9: 3,319,577 km (0.107 R)
• M10: 4,424,955 km (0.109 R)
• M11: 4,864,923 km (0.097 R)
• M12: 5,299,355 km (0.107 R)
• M13: 6,304,204 km (0.107 R)
• M14: 6,923,988 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 12

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1 AU - 1.22 AU

Year: 744 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,545,979 km

• M1: 149,448 km (0.032 R)
• M2: 563,535 km (0.047 R)
• M3: 1,272,031 km (0.093 R)
• M4: 1,646,025 km (0.118 R)
• M5: 2,104,244 km (0.072 R)
• M6: 2,572,036 km (0.036 R)
• M7: 3,207,678 km (0.084 R)
• M8: 3,747,875 km (0.089 R)
• M9: 4,761,251 km (0.086 R)
• M10: 5,412,750 km (0.061 R)
• M11: 5,930,060 km (0.074 R)
• M12: 6,664,286 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.1

Radius: 12.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.21 AU - 1.35 AU

Year: 921 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,545,979 km

• M1: 156,629 km (0.112 R)
• M2: 561,890 km (0.079 R)
• M3: 1,048,531 km (0.084 R)
• M4: 1,450,950 km (0.099 R)
• M5: 1,959,283 km (0.1 R)
• M6: 2,352,127 km (0.104 R)
• M7: 3,582,420 km (0.041 R)
• M8: 4,193,827 km (0.084 R)
• M9: 5,184,613 km (0.11 R)
• M10: 6,785,759 km (0.098 R)
• M11: 7,410,480 km (0.115 R)
• M12: 8,882,523 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 9.6

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.82 AU - 2.82 AU

Year: 2247 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,545,979 km

• M1: 119,379 km (0.103 R)
• M2: 628,760 km (0.113 R)
• M3: 1,019,958 km (0.099 R)
• M4: 1,717,982 km (0.096 R)
• M5: 2,422,738 km (0.105 R)
• M6: 3,517,046 km (0.076 R)
• M7: 4,336,244 km (0.111 R)
• M8: 4,714,876 km (0.09 R)
• M9: 5,418,884 km (0.064 R)
• M10: 6,402,490 km (0.078 R)
• M11: 7,589,998 km (0.097 R)
• M12: 8,141,715 km (0.117 R)
• M13: 8,589,012 km (0.101 R)
• M14: 11,154,017 km (0.094 R)
• M15: 11,786,667 km (0.112 R)
• M16: 12,822,931 km (0.114 R)
• M17: 13,561,496 km (0.101 R)
• M18: 14,282,258 km (0.081 R)
• M19: 17,475,275 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 9.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.15 AU - 3.83 AU

Year: 4145 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,545,979 km

• M1: 123,119 km (0.065 R)
• M2: 536,308 km (0.105 R)
• M3: 1,721,423 km (0.037 R)
• M4: 2,312,334 km (0.093 R)
• M5: 3,697,311 km (0.106 R)
• M6: 4,085,069 km (0.117 R)
• M7: 4,799,698 km (0.098 R)
• M8: 5,754,132 km (0.093 R)
• M9: 6,136,056 km (0.049 R)
• M10: 7,480,043 km (0.109 R)
• M11: 8,548,621 km (0.108 R)
• M12: 12,009,418 km (0.039 R)
• M13: 12,863,472 km (0.101 R)
• M14: 13,188,099 km (0.1 R)
• M15: 14,692,306 km (0.066 R)
• M16: 18,212,194 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 8.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.3 AU - 4.14 AU

Year: 4562 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,545,979 km

• M1: 107,411 km (0.113 R)
• M2: 403,166 km (0.08 R)
• M3: 677,080 km (0.111 R)
• M4: 1,006,046 km (0.089 R)
• M5: 1,603,540 km (0.111 R)
• M6: 2,680,943 km (0.083 R)
• M7: 5,433,395 km (0.101 R)
• M8: 6,720,535 km (0.081 R)
• M9: 7,725,683 km (0.092 R)
• M10: 8,827,920 km (0.074 R)
• M11: 10,217,535 km (0.104 R)
• M12: 13,023,991 km (0.115 R)
• M13: 13,741,462 km (0.115 R)
• M14: 14,109,922 km (0.092 R)
• M15: 15,402,447 km (0.069 R)
• M16: 16,255,753 km (0.117 R)
• M17: 17,140,176 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 13.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.74 AU - 6 AU

Year: 6833 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,545,979 km

• M1: 162,912 km (0.057 R)
• M2: 631,602 km (0.097 R)
• M3: 1,444,816 km (0.094 R)
• M4: 1,979,778 km (0.097 R)
• M5: 2,917,458 km (0.086 R)
• M6: 4,360,329 km (0.094 R)
• M7: 5,253,428 km (0.073 R)
• M8: 6,087,885 km (0.09 R)
• M9: 7,008,959 km (0.103 R)
• M10: 7,915,523 km (0.07 R)
• M11: 9,920,732 km (0.118 R)
• M12: 11,284,467 km (0.111 R)
• M13: 13,458,872 km (0.081 R)
• M14: 14,017,769 km (0.087 R)
• M15: 16,697,815 km (0.092 R)
• M16: 21,919,379 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 12.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.7 AU - 5.26 AU

Year: 7066 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,545,979 km

• M1: 158,873 km (0.049 R)
• M2: 681,418 km (0.057 R)
• M3: 2,143,139 km (0.112 R)
• M4: 3,059,576 km (0.1 R)
• M5: 8,066,467 km (0.068 R)
• M6: 9,776,221 km (0.06 R)
• M7: 11,090,289 km (0.111 R)
• M8: 12,416,623 km (0.088 R)
• M9: 15,323,459 km (0.069 R)
• M10: 17,092,754 km (0.115 R)
• M11: 23,921,597 km (0.094 R)
• M12: 25,131,096 km (0.116 R)
• M13: 28,555,541 km (0.099 R)
• M14: 30,941,178 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459

Radius: 7.7

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.29 AU - 10.35 AU

Year: 18091 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,545,979 km

• M1: 96,191 km (0.052 R)
• M2: 713,731 km (0.112 R)
• M3: 1,163,572 km (0.038 R)
• M4: 2,496,788 km (0.047 R)
• M5: 3,534,698 km (0.044 R)
• M6: 5,649,264 km (0.078 R)
• M7: 6,551,340 km (0.11 R)
• M8: 6,929,373 km (0.103 R)
• M9: 8,392,441 km (0.088 R)
• M10: 8,688,196 km (0.025 R)
• M11: 9,832,470 km (0.05 R)
• M12: 10,497,283 km (0.092 R)
• M13: 11,310,497 km (0.065 R)
• M14: 13,661,128 km (0.06 R)
• M15: 15,349,190 km (0.046 R)
• M16: 17,014,514 km (0.074 R)
• M17: 18,713,347 km (0.093 R)
• M18: 19,993,905 km (0.099 R)
• M19: 20,610,996 km (0.048 R)
• M20: 21,698,573 km (0.091 R)
• M21: 25,292,213 km (0.093 R)
• M22: 27,283,211 km (0.107 R)
• M23: 29,376,534 km (0.066 R)
• M24: 30,404,570 km (0.054 R)
• M25: 34,630,710 km (0.103 R)
• M26: 36,035,883 km (0.051 R)
• M27: 44,523,767 km (0.116 R)
• M28: 48,671,817 km (0.085 R)
• M29: 52,569,141 km (0.118 R)
• M30: 53,238,292 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.8

Radius: 6.4

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.63 AU - 11.49 AU

Year: 18794 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,545,979 km

• M1: 79,586 km (0.107 R)
• M2: 293,960 km (0.117 R)
• M3: 533,017 km (0.039 R)
• M4: 787,782 km (0.108 R)
• M5: 1,136,645 km (0.117 R)
• M6: 1,423,573 km (0.11 R)
• M7: 3,952,825 km (0.092 R)
• M8: 5,010,182 km (0.116 R)
• M9: 6,116,907 km (0.106 R)
• M10: 6,417,300 km (0.11 R)
• M11: 7,867,502 km (0.108 R)
• M12: 8,222,946 km (0.073 R)
• M13: 8,749,381 km (0.113 R)
• M14: 9,523,700 km (0.08 R)
• M15: 10,955,950 km (0.112 R)
• M16: 14,845,345 km (0.102 R)
• M17: 17,436,081 km (0.1 R)
• M18: 17,866,324 km (0.038 R)
• M19: 18,927,871 km (0.102 R)
• M20: 19,751,257 km (0.087 R)
• M21: 22,975,091 km (0.099 R)
• M22: 23,911,574 km (0.11 R)
• M23: 27,447,769 km (0.032 R)
• M24: 27,912,868 km (0.082 R)
• M25: 29,098,880 km (0.1 R)
• M26: 29,340,032 km (0.088 R)
• M27: 31,825,451 km (0.104 R)
• M28: 35,398,596 km (0.117 R)
• M29: 35,949,715 km (0.105 R)
• M30: 44,917,658 km (0.103 R)
• M31: 49,227,274 km (0.111 R)
• M32: 62,985,192 km (0.085 R)
• M33: 63,591,362 km (0.119 R)
• M34: 66,263,030 km (0.09 R)
• M35: 71,390,198 km (0.106 R)
• M36: 74,725,483 km (0.116 R)
• M37: 75,632,046 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit