🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 14.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.64 AU - 0.92 AU

Year: 467 Days

Day: 10.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,087,706 km

• M1: 184,454 km (0.038 R)
• M2: 713,432 km (0.102 R)
• M3: 1,190,649 km (0.118 R)
• M4: 1,666,221 km (0.096 R)
• M5: 2,238,583 km (0.092 R)
• M6: 2,782,371 km (0.115 R)
• M7: 3,247,770 km (0.069 R)
• M8: 3,888,198 km (0.102 R)
• M9: 4,419,570 km (0.106 R)
• M10: 4,984,900 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 11.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.72 AU - 1.12 AU

Year: 599 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,087,706 km

• M1: 139,425 km (0.111 R)
• M2: 612,154 km (0.063 R)
• M3: 1,466,807 km (0.086 R)
• M4: 1,944,473 km (0.119 R)
• M5: 2,396,109 km (0.038 R)
• M6: 2,862,106 km (0.074 R)
• M7: 3,629,095 km (0.088 R)
• M8: 4,033,458 km (0.113 R)
• M9: 4,497,959 km (0.088 R)
• M10: 5,483,061 km (0.067 R)
• M11: 5,944,421 km (0.086 R)
• M12: 6,354,918 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 13.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.12 AU - 2.58 AU

Year: 2443 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,087,706 km

• M1: 169,794 km (0.094 R)
• M2: 605,123 km (0.059 R)
• M3: 1,069,326 km (0.105 R)
• M4: 1,518,568 km (0.068 R)
• M5: 2,205,970 km (0.111 R)
• M6: 3,455,412 km (0.119 R)
• M7: 3,920,063 km (0.057 R)
• M8: 4,467,142 km (0.088 R)
• M9: 5,199,872 km (0.097 R)
• M10: 6,500,626 km (0.101 R)
• M11: 7,618,272 km (0.096 R)
• M12: 8,130,495 km (0.092 R)
• M13: 9,877,050 km (0.093 R)
• M14: 11,275,042 km (0.118 R)
• M15: 12,801,239 km (0.064 R)
• M16: 14,189,807 km (0.091 R)
• M17: 15,201,238 km (0.084 R)
• M18: 16,260,092 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 10.4

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.81 AU - 3.65 AU

Year: 3937 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,087,706 km

• M1: 129,552 km (0.079 R)
• M2: 692,788 km (0.111 R)
• M3: 1,102,985 km (0.071 R)
• M4: 1,866,981 km (0.075 R)
• M5: 2,296,028 km (0.051 R)
• M6: 2,686,179 km (0.117 R)
• M7: 3,082,464 km (0.095 R)
• M8: 4,039,442 km (0.099 R)
• M9: 4,367,211 km (0.028 R)
• M10: 4,737,914 km (0.072 R)
• M11: 6,755,690 km (0.116 R)
• M12: 9,411,352 km (0.092 R)
• M13: 10,375,211 km (0.087 R)
• M14: 11,083,557 km (0.119 R)
• M15: 11,542,523 km (0.1 R)
• M16: 12,109,948 km (0.044 R)
• M17: 12,498,453 km (0.103 R)
• M18: 16,735,663 km (0.09 R)
• M19: 18,465,015 km (0.081 R)
• M20: 20,515,104 km (0.045 R)
• M21: 21,844,281 km (0.075 R)
• M22: 24,058,479 km (0.1 R)
• M23: 25,219,807 km (0.103 R)
• M24: 25,934,436 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 15

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.86 AU - 4.2 AU

Year: 4498 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,087,706 km

• M1: 186,549 km (0.106 R)
• M2: 845,677 km (0.103 R)
• M3: 1,619,696 km (0.119 R)
• M4: 2,595,224 km (0.056 R)
• M5: 3,382,408 km (0.089 R)
• M6: 5,249,988 km (0.112 R)
• M7: 5,896,101 km (0.072 R)
• M8: 6,730,408 km (0.094 R)
• M9: 7,291,101 km (0.081 R)
• M10: 7,913,279 km (0.029 R)
• M11: 11,377,068 km (0.067 R)
• M12: 12,882,621 km (0.115 R)
• M13: 17,301,443 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.89 AU - 5.09 AU

Year: 7560 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,087,706 km

• M1: 182,958 km (0.088 R)
• M2: 647,460 km (0.092 R)
• M3: 2,094,520 km (0.099 R)
• M4: 3,347,552 km (0.082 R)
• M5: 5,582,394 km (0.075 R)
• M6: 6,458,738 km (0.091 R)
• M7: 7,014,195 km (0.109 R)
• M8: 7,495,452 km (0.097 R)
• M9: 8,146,651 km (0.105 R)
• M10: 9,234,826 km (0.095 R)
• M11: 10,156,050 km (0.119 R)
• M12: 12,084,366 km (0.066 R)
• M13: 13,342,484 km (0.073 R)
• M14: 14,465,217 km (0.114 R)
• M15: 16,177,364 km (0.089 R)
• M16: 23,925,786 km (0.078 R)
• M17: 24,626,353 km (0.084 R)
• M18: 25,824,332 km (0.065 R)
• M19: 27,228,608 km (0.114 R)
• M20: 28,078,174 km (0.101 R)
• M21: 28,770,513 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 4.9

Gravity: 32.42 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.27 AU - 7.03 AU

Year: 9109 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,087,706 km

• M1: 62,233 km (0.109 R)
• M2: 225,743 km (0.082 R)
• M3: 944,411 km (0.079 R)
• M4: 1,241,662 km (0.112 R)
• M5: 1,486,554 km (0.091 R)
• M6: 2,324,751 km (0.119 R)
• M7: 3,588,404 km (0.059 R)
• M8: 5,123,278 km (0.07 R)
• M9: 5,651,060 km (0.088 R)
• M10: 6,660,845 km (0.08 R)
• M11: 10,098,604 km (0.116 R)
• M12: 10,820,264 km (0.105 R)
• M13: 13,311,817 km (0.093 R)
• M14: 16,931,936 km (0.034 R)
• M15: 17,653,895 km (0.057 R)
• M16: 19,942,593 km (0.108 R)
• M17: 20,503,735 km (0.064 R)
• M18: 27,584,651 km (0.109 R)
• M19: 37,331,401 km (0.077 R)
• M20: 39,672,907 km (0.096 R)
• M21: 43,834,869 km (0.066 R)
• M22: 46,020,793 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.8

Radius: 4.5

Gravity: 30.46 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.25 AU - 6.39 AU

Year: 9523 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,087,706 km

• M1: 55,950 km (0.092 R)
• M2: 239,207 km (0.117 R)
• M3: 607,517 km (0.091 R)
• M4: 1,288,486 km (0.051 R)
• M5: 2,322,507 km (0.095 R)
• M6: 2,492,001 km (0.076 R)
• M7: 3,185,238 km (0.095 R)
• M8: 4,526,084 km (0.115 R)
• M9: 5,160,827 km (0.034 R)
• M10: 5,320,299 km (0.079 R)
• M11: 5,853,017 km (0.058 R)
• M12: 6,831,387 km (0.119 R)
• M13: 7,062,815 km (0.067 R)
• M14: 7,541,378 km (0.091 R)
• M15: 8,518,402 km (0.05 R)
• M16: 9,106,471 km (0.096 R)
• M17: 9,481,513 km (0.112 R)
• M18: 9,866,877 km (0.118 R)
• M19: 10,212,598 km (0.053 R)
• M20: 15,338,270 km (0.07 R)
• M21: 16,757,505 km (0.096 R)
• M22: 18,409,813 km (0.064 R)
• M23: 20,246,426 km (0.109 R)
• M24: 21,784,292 km (0.051 R)
• M25: 22,285,744 km (0.071 R)
• M26: 23,398,453 km (0.098 R)
• M27: 24,279,136 km (0.113 R)
• M28: 25,090,555 km (0.11 R)
• M29: 25,826,876 km (0.096 R)
• M30: 26,767,248 km (0.118 R)
• M31: 27,632,971 km (0.1 R)
• M32: 28,023,720 km (0.116 R)
• M33: 28,816,140 km (0.095 R)
• M34: 29,420,216 km (0.116 R)
• M35: 31,494,690 km (0.11 R)
• M36: 33,332,949 km (0.047 R)
• M37: 35,816,423 km (0.074 R)
• M38: 37,459,456 km (0.105 R)
• M39: 40,141,746 km (0.118 R)
• M40: 42,171,041 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.6

Radius: 4.7

Gravity: 35.43 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.06 AU - 9.96 AU

Year: 18343 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,087,706 km

• M1: 58,493 km (0.102 R)
• M2: 401,670 km (0.117 R)
• M3: 857,345 km (0.105 R)
• M4: 1,007,542 km (0.099 R)
• M5: 1,377,198 km (0.113 R)
• M6: 2,381,299 km (0.118 R)
• M7: 2,681,841 km (0.097 R)
• M8: 2,930,024 km (0.035 R)
• M9: 3,086,204 km (0.096 R)
• M10: 6,406,230 km (0.08 R)
• M11: 6,670,120 km (0.117 R)
• M12: 7,457,155 km (0.056 R)
• M13: 7,948,135 km (0.071 R)
• M14: 9,437,082 km (0.119 R)
• M15: 15,002,572 km (0.092 R)
• M16: 15,156,658 km (0.042 R)
• M17: 16,755,859 km (0.097 R)
• M18: 18,730,102 km (0.027 R)
• M19: 20,004,826 km (0.069 R)
• M20: 24,492,463 km (0.106 R)
• M21: 26,460,871 km (0.083 R)
• M22: 26,686,016 km (0.086 R)
• M23: 28,532,353 km (0.092 R)
• M24: 29,486,638 km (0.083 R)
• M25: 34,579,398 km (0.104 R)
• M26: 35,254,533 km (0.114 R)
• M27: 36,214,353 km (0.114 R)
• M28: 38,042,888 km (0.081 R)
• M29: 39,637,452 km (0.083 R)
• M30: 39,932,010 km (0.08 R)
• M31: 40,525,764 km (0.105 R)
• M32: 41,275,997 km (0.087 R)
• M33: 43,739,126 km (0.106 R)
• M34: 49,465,434 km (0.091 R)
• M35: 54,390,943 km (0.044 R)
• M36: 71,761,799 km (0.111 R)
• M37: 73,080,056 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit