🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 13.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.86 AU - 1.36 AU

Year: 755 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,974,775 km

• M1: 163,211 km (0.079 R)
• M2: 590,014 km (0.063 R)
• M3: 1,140,833 km (0.114 R)
• M4: 1,672,055 km (0.116 R)
• M5: 2,242,622 km (0.115 R)
• M6: 2,850,587 km (0.084 R)
• M7: 4,325,024 km (0.086 R)
• M8: 5,625,179 km (0.062 R)
• M9: 6,415,056 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 14.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.24 AU - 1.86 AU

Year: 1246 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,974,775 km

• M1: 179,069 km (0.107 R)
• M2: 761,004 km (0.066 R)
• M3: 1,330,972 km (0.102 R)
• M4: 2,236,787 km (0.103 R)
• M5: 2,765,466 km (0.113 R)
• M6: 3,640,165 km (0.084 R)

Asteroid Belt

Center: 2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.5

Radius: 13.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.31 AU - 2.59 AU

Year: 2476 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,974,775 km

• M1: 170,691 km (0.088 R)
• M2: 600,935 km (0.064 R)
• M3: 1,093,112 km (0.075 R)
• M4: 1,665,323 km (0.114 R)
• M5: 2,506,213 km (0.114 R)
• M6: 3,156,814 km (0.069 R)
• M7: 3,689,083 km (0.082 R)
• M8: 4,301,687 km (0.05 R)
• M9: 5,783,304 km (0.064 R)
• M10: 6,726,070 km (0.066 R)
• M11: 7,189,973 km (0.086 R)
• M12: 7,644,302 km (0.094 R)
• M13: 8,779,899 km (0.105 R)
• M14: 9,513,527 km (0.036 R)
• M15: 9,987,902 km (0.097 R)
• M16: 10,554,878 km (0.104 R)
• M17: 11,794,895 km (0.1 R)
• M18: 13,040,895 km (0.107 R)
• M19: 13,950,151 km (0.108 R)
• M20: 15,592,436 km (0.082 R)
• M21: 16,201,898 km (0.043 R)
• M22: 17,360,384 km (0.11 R)
• M23: 19,085,547 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 8.3

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.21 AU - 3.29 AU

Year: 2945 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,974,775 km

• M1: 103,223 km (0.118 R)
• M2: 428,000 km (0.1 R)
• M3: 1,186,760 km (0.116 R)
• M4: 1,575,565 km (0.111 R)
• M5: 1,876,556 km (0.114 R)
• M6: 2,310,689 km (0.118 R)
• M7: 3,925,598 km (0.112 R)
• M8: 4,377,383 km (0.072 R)
• M9: 5,119,538 km (0.092 R)
• M10: 5,433,843 km (0.048 R)
• M11: 6,967,970 km (0.087 R)
• M12: 7,850,447 km (0.068 R)
• M13: 8,236,709 km (0.051 R)
• M14: 8,501,198 km (0.074 R)
• M15: 8,771,222 km (0.111 R)
• M16: 9,152,099 km (0.082 R)
• M17: 9,580,098 km (0.079 R)
• M18: 10,708,664 km (0.046 R)
• M19: 11,345,652 km (0.08 R)
• M20: 13,960,922 km (0.098 R)
• M21: 14,528,347 km (0.112 R)
• M22: 15,861,413 km (0.115 R)
• M23: 16,636,330 km (0.111 R)
• M24: 17,274,066 km (0.078 R)
• M25: 17,544,689 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 13.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.5 AU - 4.6 AU

Year: 6267 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,974,775 km

• M1: 166,652 km (0.117 R)
• M2: 983,008 km (0.117 R)
• M3: 1,710,352 km (0.09 R)
• M4: 2,743,326 km (0.102 R)
• M5: 3,832,697 km (0.107 R)
• M6: 9,455,483 km (0.11 R)
• M7: 15,247,464 km (0.105 R)
• M8: 16,240,345 km (0.088 R)
• M9: 18,415,947 km (0.103 R)
• M10: 20,646,900 km (0.037 R)
• M11: 25,639,878 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 8.7

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.71 AU - 5.93 AU

Year: 6833 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,974,775 km

• M1: 108,608 km (0.103 R)
• M2: 413,040 km (0.067 R)
• M3: 727,794 km (0.104 R)
• M4: 1,142,329 km (0.111 R)
• M5: 1,532,630 km (0.103 R)
• M6: 3,854,688 km (0.098 R)
• M7: 5,004,797 km (0.114 R)
• M8: 5,309,378 km (0.115 R)
• M9: 5,956,090 km (0.076 R)
• M10: 6,727,117 km (0.06 R)
• M11: 8,047,318 km (0.069 R)
• M12: 9,859,547 km (0.118 R)
• M13: 10,145,877 km (0.064 R)
• M14: 11,192,015 km (0.051 R)
• M15: 11,874,780 km (0.072 R)
• M16: 12,978,962 km (0.105 R)
• M17: 16,433,326 km (0.107 R)
• M18: 16,836,343 km (0.084 R)
• M19: 17,662,273 km (0.064 R)
• M20: 22,447,160 km (0.077 R)
• M21: 25,715,724 km (0.1 R)
• M22: 26,259,213 km (0.117 R)
• M23: 28,800,432 km (0.115 R)
• M24: 30,381,233 km (0.102 R)
• M25: 30,988,750 km (0.06 R)
• M26: 32,965,836 km (0.097 R)
• M27: 33,607,311 km (0.086 R)
• M28: 39,519,718 km (0.113 R)
• M29: 40,853,533 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 13

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.51 AU - 7.05 AU

Year: 8972 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,974,775 km

• M1: 162,463 km (0.116 R)
• M2: 737,817 km (0.116 R)
• M3: 1,313,918 km (0.094 R)
• M4: 1,868,178 km (0.066 R)
• M5: 4,188,292 km (0.092 R)
• M6: 4,710,388 km (0.097 R)
• M7: 5,178,330 km (0.112 R)
• M8: 6,619,107 km (0.053 R)
• M9: 7,248,615 km (0.106 R)
• M10: 7,662,253 km (0.096 R)
• M11: 10,433,105 km (0.104 R)
• M12: 11,177,953 km (0.057 R)
• M13: 11,900,959 km (0.12 R)
• M14: 13,440,621 km (0.086 R)
• M15: 15,377,913 km (0.095 R)
• M16: 16,912,338 km (0.09 R)
• M17: 19,402,395 km (0.072 R)
• M18: 20,365,506 km (0.041 R)
• M19: 21,360,332 km (0.069 R)
• M20: 24,911,337 km (0.095 R)
• M21: 29,670,344 km (0.112 R)
• M22: 31,056,668 km (0.029 R)
• M23: 32,152,173 km (0.098 R)
• M24: 33,046,918 km (0.119 R)
• M25: 33,843,526 km (0.079 R)
• M26: 34,886,373 km (0.082 R)
• M27: 37,280,238 km (0.073 R)
• M28: 38,019,401 km (0.093 R)
• M29: 41,335,388 km (0.102 R)
• M30: 47,235,228 km (0.086 R)
• M31: 49,418,609 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.1

Radius: 12

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.51 AU - 6.45 AU

Year: 9442 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,974,775 km

• M1: 149,299 km (0.103 R)
• M2: 600,635 km (0.055 R)
• M3: 1,197,531 km (0.059 R)
• M4: 1,604,886 km (0.086 R)
• M5: 2,359,607 km (0.104 R)
• M6: 2,809,149 km (0.077 R)
• M7: 4,243,643 km (0.117 R)
• M8: 4,797,454 km (0.077 R)
• M9: 5,213,486 km (0.098 R)
• M10: 5,685,916 km (0.115 R)
• M11: 6,152,661 km (0.119 R)
• M12: 6,827,048 km (0.082 R)
• M13: 7,550,055 km (0.081 R)
• M14: 10,661,840 km (0.106 R)
• M15: 11,425,837 km (0.093 R)
• M16: 14,727,312 km (0.114 R)
• M17: 19,055,627 km (0.025 R)
• M18: 21,668,653 km (0.119 R)
• M19: 23,312,883 km (0.072 R)
• M20: 23,736,545 km (0.06 R)
• M21: 24,686,790 km (0.104 R)
• M22: 25,393,790 km (0.115 R)
• M23: 27,784,813 km (0.069 R)
• M24: 28,549,706 km (0.108 R)
• M25: 29,525,683 km (0.083 R)
• M26: 32,166,983 km (0.106 R)
• M27: 32,692,371 km (0.1 R)
• M28: 35,741,474 km (0.107 R)
• M29: 36,874,828 km (0.073 R)
• M30: 37,915,281 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.1

Radius: 3.6

Gravity: 35.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.22 AU - 10.56 AU

Year: 17115 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,974,775 km

• M1: 54,753 km (0.093 R)
• M2: 406,009 km (0.11 R)
• M3: 709,393 km (0.119 R)
• M4: 1,291,179 km (0.115 R)
• M5: 1,830,180 km (0.076 R)
• M6: 2,008,501 km (0.059 R)
• M7: 2,935,110 km (0.085 R)
• M8: 3,654,676 km (0.076 R)
• M9: 4,205,495 km (0.025 R)
• M10: 4,390,398 km (0.119 R)
• M11: 8,618,034 km (0.061 R)
• M12: 8,916,631 km (0.077 R)
• M13: 10,070,181 km (0.03 R)
• M14: 14,189,956 km (0.047 R)
• M15: 14,327,736 km (0.058 R)
• M16: 18,231,343 km (0.097 R)
• M17: 18,805,649 km (0.101 R)
• M18: 18,972,002 km (0.107 R)
• M19: 19,903,997 km (0.079 R)
• M20: 22,788,393 km (0.066 R)
• M21: 25,327,667 km (0.113 R)
• M22: 29,368,755 km (0.11 R)
• M23: 29,592,553 km (0.054 R)
• M24: 30,499,415 km (0.11 R)
• M25: 37,898,227 km (0.113 R)
• M26: 44,465,873 km (0.119 R)
• M27: 59,258,559 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 16,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit