🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 8.2

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.95 AU

Year: 481 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,015,090 km

• M1: 102,026 km (0.12 R)
• M2: 418,126 km (0.095 R)
• M3: 741,257 km (0.104 R)
• M4: 1,232,088 km (0.111 R)
• M5: 1,515,576 km (0.115 R)
• M6: 1,900,791 km (0.047 R)
• M7: 2,236,039 km (0.053 R)
• M8: 2,621,104 km (0.102 R)
• M9: 3,015,444 km (0.102 R)
• M10: 3,733,514 km (0.117 R)
• M11: 4,262,941 km (0.096 R)
• M12: 4,873,151 km (0.079 R)
• M13: 5,149,608 km (0.04 R)
• M14: 5,734,086 km (0.074 R)
• M15: 6,135,308 km (0.088 R)
• M16: 6,614,021 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.7

Radius: 9.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.34 AU - 3.58 AU

Year: 3238 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,015,090 km

• M1: 118,332 km (0.044 R)
• M2: 419,622 km (0.108 R)
• M3: 902,674 km (0.116 R)
• M4: 1,242,859 km (0.065 R)
• M5: 1,549,684 km (0.089 R)
• M6: 1,970,802 km (0.047 R)
• M7: 2,739,137 km (0.106 R)
• M8: 3,162,649 km (0.12 R)
• M9: 3,678,761 km (0.09 R)
• M10: 4,035,702 km (0.059 R)
• M11: 4,779,951 km (0.114 R)
• M12: 5,143,624 km (0.096 R)
• M13: 5,525,697 km (0.074 R)
• M14: 6,443,031 km (0.089 R)
• M15: 7,326,107 km (0.116 R)
• M16: 9,772,631 km (0.107 R)
• M17: 10,460,482 km (0.044 R)
• M18: 11,040,622 km (0.099 R)
• M19: 12,042,778 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 9.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.36 AU - 3.88 AU

Year: 4379 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,015,090 km

• M1: 123,119 km (0.088 R)
• M2: 647,609 km (0.064 R)
• M3: 1,617,003 km (0.099 R)
• M4: 2,081,804 km (0.101 R)
• M5: 2,511,000 km (0.076 R)
• M6: 4,892,898 km (0.091 R)
• M7: 5,680,082 km (0.03 R)
• M8: 6,042,408 km (0.101 R)
• M9: 7,002,676 km (0.089 R)
• M10: 7,562,472 km (0.12 R)
• M11: 8,001,691 km (0.092 R)
• M12: 9,556,312 km (0.075 R)
• M13: 11,530,705 km (0.069 R)
• M14: 12,472,274 km (0.106 R)
• M15: 13,003,197 km (0.05 R)
• M16: 13,379,435 km (0.107 R)
• M17: 13,720,070 km (0.118 R)
• M18: 15,886,995 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 10.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.64 AU - 4.18 AU

Year: 4916 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,015,090 km

• M1: 133,142 km (0.046 R)
• M2: 568,921 km (0.059 R)
• M3: 946,356 km (0.11 R)
• M4: 1,977,983 km (0.103 R)
• M5: 2,831,140 km (0.081 R)
• M6: 3,554,445 km (0.083 R)
• M7: 4,174,379 km (0.071 R)
• M8: 5,780,462 km (0.083 R)
• M9: 6,874,920 km (0.114 R)
• M10: 8,372,095 km (0.119 R)
• M11: 9,988,051 km (0.117 R)
• M12: 10,433,853 km (0.11 R)
• M13: 12,607,061 km (0.067 R)
• M14: 13,394,096 km (0.078 R)
• M15: 13,991,889 km (0.103 R)
• M16: 14,778,325 km (0.118 R)
• M17: 16,012,806 km (0.117 R)
• M18: 17,893,850 km (0.056 R)
• M19: 18,485,809 km (0.102 R)
• M20: 18,955,247 km (0.084 R)
• M21: 21,496,167 km (0.114 R)
• M22: 23,859,364 km (0.111 R)
• M23: 30,098,792 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.8

Radius: 5.1

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.35 AU - 8.85 AU

Year: 12029 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,015,090 km

• M1: 70,012 km (0.11 R)
• M2: 290,070 km (0.106 R)
• M3: 521,049 km (0.118 R)
• M4: 725,550 km (0.082 R)
• M5: 921,224 km (0.12 R)
• M6: 1,421,030 km (0.101 R)
• M7: 1,893,759 km (0.108 R)
• M8: 2,157,351 km (0.064 R)
• M9: 2,365,890 km (0.075 R)
• M10: 2,587,894 km (0.065 R)
• M11: 2,913,119 km (0.079 R)
• M12: 3,489,370 km (0.105 R)
• M13: 4,110,201 km (0.106 R)
• M14: 5,225,154 km (0.079 R)
• M15: 6,335,619 km (0.067 R)
• M16: 7,508,766 km (0.116 R)
• M17: 7,681,252 km (0.077 R)
• M18: 7,856,431 km (0.109 R)
• M19: 8,444,052 km (0.118 R)
• M20: 8,819,842 km (0.064 R)
• M21: 9,060,395 km (0.067 R)
• M22: 13,466,202 km (0.099 R)
• M23: 15,666,338 km (0.103 R)
• M24: 16,305,420 km (0.094 R)
• M25: 20,678,614 km (0.058 R)
• M26: 20,932,781 km (0.056 R)
• M27: 22,501,614 km (0.097 R)
• M28: 30,537,713 km (0.103 R)
• M29: 33,707,392 km (0.099 R)
• M30: 34,177,429 km (0.083 R)
• M31: 50,546,428 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.7

Radius: 3.4

Gravity: 30.86 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.47 AU - 11.13 AU

Year: 19506 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 54,015,090 km

• M1: 42,336 km (0.079 R)
• M2: 168,447 km (0.101 R)
• M3: 348,413 km (0.097 R)
• M4: 709,393 km (0.088 R)
• M5: 916,287 km (0.098 R)
• M6: 1,320,949 km (0.114 R)
• M7: 1,479,373 km (0.117 R)
• M8: 1,602,492 km (0.071 R)
• M9: 1,817,315 km (0.108 R)
• M10: 1,995,187 km (0.118 R)
• M11: 2,184,727 km (0.098 R)
• M12: 2,406,880 km (0.085 R)
• M13: 3,806,667 km (0.095 R)
• M14: 4,994,325 km (0.073 R)
• M15: 5,272,577 km (0.078 R)
• M16: 6,368,381 km (0.109 R)
• M17: 6,821,065 km (0.085 R)
• M18: 7,207,177 km (0.076 R)
• M19: 7,607,650 km (0.116 R)
• M20: 8,116,881 km (0.093 R)
• M21: 8,599,334 km (0.055 R)
• M22: 8,847,667 km (0.041 R)
• M23: 11,301,371 km (0.056 R)
• M24: 11,719,796 km (0.101 R)
• M25: 13,232,979 km (0.12 R)
• M26: 13,430,747 km (0.082 R)
• M27: 20,501,042 km (0.101 R)
• M28: 22,873,514 km (0.088 R)
• M29: 31,542,861 km (0.115 R)
• M30: 34,069,868 km (0.11 R)
• M31: 34,565,934 km (0.119 R)
• M32: 35,572,728 km (0.068 R)
• M33: 36,469,418 km (0.074 R)
• M34: 41,320,428 km (0.116 R)
• M35: 42,168,498 km (0.089 R)
• M36: 42,311,065 km (0.117 R)
• M37: 47,348,624 km (0.071 R)
• M38: 48,589,388 km (0.053 R)
• M39: 50,973,978 km (0.117 R)
• M40: 54,273,060 km (0.054 R)
• M41: 54,610,553 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.9

Radius: 3.6

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8 AU - 12.6 AU

Year: 21018 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,015,090 km

• M1: 45,478 km (0.078 R)
• M2: 160,668 km (0.096 R)
• M3: 334,052 km (0.12 R)
• M4: 619,485 km (0.061 R)
• M5: 1,683,874 km (0.104 R)
• M6: 2,019,721 km (0.077 R)
• M7: 2,626,340 km (0.091 R)
• M8: 4,518,005 km (0.092 R)
• M9: 5,612,463 km (0.118 R)
• M10: 7,633,381 km (0.076 R)
• M11: 9,778,914 km (0.107 R)
• M12: 10,092,321 km (0.08 R)
• M13: 10,305,049 km (0.041 R)
• M14: 10,849,735 km (0.09 R)
• M15: 12,845,221 km (0.063 R)
• M16: 16,132,186 km (0.071 R)
• M17: 19,198,493 km (0.109 R)
• M18: 19,938,255 km (0.042 R)
• M19: 21,213,128 km (0.082 R)
• M20: 23,923,991 km (0.061 R)
• M21: 28,726,830 km (0.085 R)
• M22: 30,792,927 km (0.059 R)
• M23: 32,377,168 km (0.103 R)
• M24: 34,253,275 km (0.07 R)
• M25: 36,324,757 km (0.102 R)
• M26: 38,092,106 km (0.066 R)
• M27: 38,478,218 km (0.086 R)
• M28: 39,651,963 km (0.042 R)
• M29: 41,525,078 km (0.115 R)
• M30: 47,496,426 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit