🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.52 AU - 0.8 AU

Year: 377 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,786,112 km

• M1: 99,483 km (0.106 R)
• M2: 349,012 km (0.116 R)
• M3: 734,526 km (0.034 R)
• M4: 1,209,648 km (0.11 R)
• M5: 1,706,164 km (0.103 R)
• M6: 2,420,494 km (0.073 R)
• M7: 2,951,566 km (0.073 R)
• M8: 3,536,942 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 10

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.67 AU - 0.83 AU

Year: 457 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,786,112 km

• M1: 124,465 km (0.082 R)
• M2: 595,250 km (0.119 R)
• M3: 1,024,895 km (0.074 R)
• M4: 1,517,670 km (0.12 R)
• M5: 1,895,106 km (0.057 R)
• M6: 2,438,894 km (0.099 R)
• M7: 2,907,285 km (0.039 R)
• M8: 3,410,831 km (0.065 R)
• M9: 3,878,474 km (0.066 R)
• M10: 4,232,273 km (0.115 R)
• M11: 4,788,478 km (0.062 R)
• M12: 5,148,261 km (0.098 R)
• M13: 5,747,849 km (0.112 R)
• M14: 6,082,649 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 12.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.97 AU - 1.43 AU

Year: 924 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,786,112 km

• M1: 155,432 km (0.108 R)
• M2: 576,999 km (0.053 R)
• M3: 1,148,612 km (0.116 R)
• M4: 1,615,956 km (0.112 R)
• M5: 2,051,436 km (0.089 R)
• M6: 2,471,058 km (0.075 R)
• M7: 3,304,916 km (0.03 R)
• M8: 3,787,968 km (0.074 R)
• M9: 4,698,570 km (0.075 R)
• M10: 5,347,525 km (0.083 R)
• M11: 6,412,214 km (0.05 R)
• M12: 6,824,954 km (0.091 R)
• M13: 7,277,637 km (0.104 R)
• M14: 7,681,551 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 12.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.49 AU - 3.55 AU

Year: 3689 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,786,112 km

• M1: 159,172 km (0.091 R)
• M2: 643,121 km (0.053 R)
• M3: 1,293,423 km (0.085 R)
• M4: 1,817,764 km (0.098 R)
• M5: 2,283,911 km (0.077 R)
• M6: 2,795,835 km (0.07 R)
• M7: 3,403,501 km (0.065 R)
• M8: 3,987,082 km (0.052 R)
• M9: 7,652,679 km (0.118 R)
• M10: 10,037,419 km (0.103 R)
• M11: 10,844,948 km (0.118 R)
• M12: 11,558,081 km (0.097 R)
• M13: 12,254,758 km (0.115 R)
• M14: 13,327,226 km (0.092 R)
• M15: 14,093,615 km (0.057 R)
• M16: 15,160,996 km (0.068 R)
• M17: 15,714,508 km (0.088 R)
• M18: 17,941,871 km (0.108 R)
• M19: 20,775,255 km (0.101 R)
• M20: 21,875,697 km (0.092 R)
• M21: 22,726,310 km (0.075 R)
• M22: 26,113,655 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 12.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.71 AU - 3.51 AU

Year: 3855 Days

Day: 12.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,786,112 km

• M1: 159,621 km (0.101 R)
• M2: 576,401 km (0.082 R)
• M3: 1,032,076 km (0.096 R)
• M4: 1,474,287 km (0.075 R)
• M5: 2,072,678 km (0.072 R)
• M6: 2,778,332 km (0.076 R)
• M7: 3,477,552 km (0.116 R)
• M8: 4,337,590 km (0.104 R)
• M9: 5,523,901 km (0.119 R)
• M10: 6,002,764 km (0.111 R)
• M11: 7,506,821 km (0.082 R)
• M12: 8,060,333 km (0.094 R)
• M13: 8,715,422 km (0.089 R)
• M14: 10,173,702 km (0.106 R)
• M15: 12,924,209 km (0.098 R)
• M16: 13,822,544 km (0.029 R)
• M17: 14,234,985 km (0.118 R)
• M18: 15,084,701 km (0.076 R)
• M19: 15,632,678 km (0.092 R)
• M20: 17,776,715 km (0.107 R)
• M21: 20,976,613 km (0.073 R)
• M22: 22,287,390 km (0.069 R)
• M23: 23,142,940 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.2

Radius: 7

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.31 AU - 7.07 AU

Year: 9541 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,786,112 km

• M1: 87,066 km (0.113 R)
• M2: 1,408,015 km (0.092 R)
• M3: 2,085,245 km (0.083 R)
• M4: 2,329,538 km (0.096 R)
• M5: 4,278,499 km (0.059 R)
• M6: 6,085,492 km (0.105 R)
• M7: 9,244,700 km (0.107 R)
• M8: 11,653,375 km (0.111 R)
• M9: 12,427,843 km (0.087 R)
• M10: 17,382,375 km (0.101 R)
• M11: 20,608,303 km (0.112 R)
• M12: 23,685,831 km (0.091 R)
• M13: 26,583,542 km (0.104 R)
• M14: 35,868,633 km (0.065 R)
• M15: 36,446,380 km (0.093 R)
• M16: 37,620,424 km (0.048 R)
• M17: 37,858,135 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.4

Radius: 5

Gravity: 29.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.01 AU - 8.49 AU

Year: 13722 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,786,112 km

• M1: 77,342 km (0.035 R)
• M2: 383,120 km (0.063 R)
• M3: 634,594 km (0.117 R)
• M4: 883,525 km (0.112 R)
• M5: 1,707,211 km (0.101 R)
• M6: 2,096,315 km (0.078 R)
• M7: 2,585,949 km (0.058 R)
• M8: 2,811,094 km (0.086 R)
• M9: 3,049,253 km (0.081 R)
• M10: 3,485,182 km (0.115 R)
• M11: 4,354,196 km (0.102 R)
• M12: 4,512,021 km (0.089 R)
• M13: 6,970,064 km (0.093 R)
• M14: 8,096,686 km (0.093 R)
• M15: 8,778,104 km (0.084 R)
• M16: 9,287,634 km (0.103 R)
• M17: 11,227,021 km (0.119 R)
• M18: 14,653,111 km (0.098 R)
• M19: 18,716,938 km (0.047 R)
• M20: 23,184,080 km (0.107 R)
• M21: 25,458,416 km (0.066 R)
• M22: 26,387,568 km (0.048 R)
• M23: 26,807,639 km (0.12 R)
• M24: 28,864,012 km (0.075 R)
• M25: 29,760,552 km (0.085 R)
• M26: 32,082,759 km (0.077 R)
• M27: 32,561,323 km (0.086 R)
• M28: 33,532,512 km (0.098 R)
• M29: 35,025,349 km (0.09 R)
• M30: 36,044,859 km (0.107 R)
• M31: 50,184,102 km (0.109 R)
• M32: 52,299,266 km (0.088 R)
• M33: 57,934,169 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 5.4

Gravity: 16.23 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.69 AU - 12.67 AU

Year: 22831 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,786,112 km

• M1: 67,169 km (0.087 R)
• M2: 300,393 km (0.095 R)
• M3: 806,931 km (0.068 R)
• M4: 1,241,962 km (0.075 R)
• M5: 1,678,638 km (0.112 R)
• M6: 2,427,973 km (0.094 R)
• M7: 2,753,648 km (0.103 R)
• M8: 4,159,419 km (0.083 R)
• M9: 6,151,764 km (0.112 R)
• M10: 7,984,637 km (0.105 R)
• M11: 9,079,544 km (0.108 R)
• M12: 9,805,392 km (0.081 R)
• M13: 11,498,990 km (0.104 R)
• M14: 13,307,927 km (0.057 R)
• M15: 13,591,116 km (0.059 R)
• M16: 15,067,946 km (0.115 R)
• M17: 18,953,153 km (0.094 R)
• M18: 26,788,790 km (0.104 R)
• M19: 28,861,169 km (0.093 R)
• M20: 30,422,672 km (0.107 R)
• M21: 37,232,965 km (0.103 R)
• M22: 39,516,577 km (0.062 R)
• M23: 44,203,478 km (0.052 R)
• M24: 47,416,092 km (0.044 R)
• M25: 50,608,960 km (0.09 R)
• M26: 53,584,761 km (0.099 R)
• M27: 60,460,279 km (0.107 R)
• M28: 62,810,461 km (0.09 R)
• M29: 65,017,628 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.4

Radius: 7.9

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 8.02 AU - 12.6 AU

Year: 23270 Days

Day: 18 Hours

Environment

Temp: -244 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,786,112 km

• M1: 98,286 km (0.037 R)
• M2: 414,386 km (0.105 R)
• M3: 742,005 km (0.097 R)
• M4: 1,344,286 km (0.1 R)
• M5: 1,635,703 km (0.046 R)
• M6: 2,393,267 km (0.052 R)
• M7: 3,007,216 km (0.093 R)
• M8: 3,722,145 km (0.118 R)
• M9: 5,565,041 km (0.108 R)
• M10: 7,056,681 km (0.104 R)
• M11: 9,475,230 km (0.045 R)
• M12: 10,681,288 km (0.038 R)
• M13: 13,176,730 km (0.057 R)
• M14: 14,367,230 km (0.095 R)
• M15: 17,218,715 km (0.105 R)
• M16: 21,512,174 km (0.057 R)
• M17: 24,666,894 km (0.1 R)
• M18: 25,557,599 km (0.088 R)
• M19: 27,997,242 km (0.071 R)
• M20: 29,582,979 km (0.072 R)
• M21: 30,715,285 km (0.116 R)
• M22: 31,745,865 km (0.081 R)
• M23: 38,565,882 km (0.065 R)
• M24: 44,319,416 km (0.055 R)
• M25: 52,237,781 km (0.102 R)
• M26: 64,750,297 km (0.097 R)
• M27: 69,254,389 km (0.107 R)
• M28: 71,247,033 km (0.06 R)
• M29: 75,578,639 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit