🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 12.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,123,915 km

• M1: 155,582 km (0.083 R)
• M2: 622,178 km (0.112 R)
• M3: 1,721,423 km (0.104 R)
• M4: 2,187,719 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 11.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.82 AU - 0.92 AU

Year: 550 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,123,915 km

• M1: 145,858 km (0.096 R)
• M2: 634,744 km (0.088 R)
• M3: 1,386,623 km (0.1 R)
• M4: 1,922,183 km (0.098 R)
• M5: 2,288,099 km (0.076 R)
• M6: 2,722,980 km (0.11 R)
• M7: 3,163,995 km (0.103 R)
• M8: 3,558,933 km (0.079 R)
• M9: 4,480,157 km (0.095 R)
• M10: 5,535,720 km (0.096 R)
• M11: 6,093,570 km (0.033 R)
• M12: 6,791,594 km (0.065 R)
• M13: 7,409,583 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 8.7

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.31 AU - 2.18 AU

Year: 1557 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,123,915 km

• M1: 108,159 km (0.118 R)
• M2: 383,270 km (0.061 R)
• M3: 711,936 km (0.117 R)
• M4: 1,060,051 km (0.099 R)
• M5: 1,486,255 km (0.059 R)
• M6: 1,824,645 km (0.112 R)
• M7: 2,134,313 km (0.092 R)
• M8: 2,504,418 km (0.057 R)
• M9: 3,147,539 km (0.092 R)
• M10: 4,249,028 km (0.11 R)
• M11: 4,857,742 km (0.109 R)
• M12: 5,632,809 km (0.063 R)
• M13: 6,487,760 km (0.072 R)
• M14: 6,858,165 km (0.118 R)
• M15: 8,717,218 km (0.09 R)
• M16: 9,046,782 km (0.103 R)
• M17: 10,958,642 km (0.115 R)
• M18: 11,591,890 km (0.109 R)
• M19: 12,511,768 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 8.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.75 AU - 3.79 AU

Year: 4011 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,123,915 km

• M1: 104,569 km (0.112 R)
• M2: 984,204 km (0.107 R)
• M3: 1,586,037 km (0.112 R)
• M4: 2,504,867 km (0.077 R)
• M5: 3,942,353 km (0.11 R)
• M6: 5,114,302 km (0.112 R)
• M7: 6,220,279 km (0.087 R)
• M8: 8,680,566 km (0.07 R)
• M9: 9,570,075 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.9

Radius: 14.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.39 AU - 4.75 AU

Year: 6626 Days

Day: 14.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,123,915 km

• M1: 186,399 km (0.105 R)
• M2: 736,022 km (0.101 R)
• M3: 1,332,468 km (0.028 R)
• M4: 1,938,489 km (0.103 R)
• M5: 3,310,451 km (0.113 R)
• M6: 4,000,397 km (0.087 R)
• M7: 5,143,923 km (0.074 R)
• M8: 5,761,912 km (0.065 R)
• M9: 6,396,356 km (0.117 R)
• M10: 7,183,540 km (0.111 R)
• M11: 8,828,070 km (0.028 R)
• M12: 10,994,995 km (0.102 R)
• M13: 13,387,513 km (0.032 R)
• M14: 14,735,091 km (0.067 R)
• M15: 20,528,418 km (0.067 R)
• M16: 21,485,396 km (0.115 R)
• M17: 23,015,333 km (0.1 R)
• M18: 32,260,482 km (0.089 R)
• M19: 33,654,883 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.5

Radius: 5.9

Gravity: 26.59 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.1 AU - 7.74 AU

Year: 12347 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,123,915 km

• M1: 73,453 km (0.109 R)
• M2: 434,582 km (0.058 R)
• M3: 873,951 km (0.116 R)
• M4: 1,382,135 km (0.05 R)
• M5: 1,701,676 km (0.073 R)
• M6: 4,333,252 km (0.116 R)
• M7: 4,749,284 km (0.086 R)
• M8: 5,513,729 km (0.117 R)
• M9: 5,925,422 km (0.104 R)
• M10: 6,158,346 km (0.091 R)
• M11: 6,437,944 km (0.099 R)
• M12: 7,825,315 km (0.102 R)
• M13: 9,090,614 km (0.112 R)
• M14: 9,825,588 km (0.104 R)
• M15: 10,042,804 km (0.11 R)
• M16: 10,263,012 km (0.113 R)
• M17: 11,235,548 km (0.086 R)
• M18: 14,104,386 km (0.04 R)
• M19: 15,449,870 km (0.117 R)
• M20: 16,342,520 km (0.119 R)
• M21: 18,229,997 km (0.066 R)
• M22: 20,698,810 km (0.064 R)
• M23: 20,966,291 km (0.087 R)
• M24: 27,024,107 km (0.056 R)
• M25: 27,343,648 km (0.046 R)
• M26: 30,334,259 km (0.074 R)
• M27: 31,967,569 km (0.06 R)
• M28: 32,805,766 km (0.098 R)
• M29: 33,904,861 km (0.085 R)
• M30: 34,525,992 km (0.103 R)
• M31: 35,408,320 km (0.063 R)
• M32: 38,412,993 km (0.071 R)
• M33: 43,450,552 km (0.115 R)
• M34: 48,753,348 km (0.057 R)
• M35: 53,293,942 km (0.083 R)
• M36: 54,471,577 km (0.042 R)
• M37: 55,494,826 km (0.103 R)
• M38: 57,403,695 km (0.109 R)
• M39: 58,997,810 km (0.036 R)
• M40: 59,535,614 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.9

Radius: 5.2

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.2 AU - 7.6 AU

Year: 13653 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 171.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,123,915 km

• M1: 64,626 km (0.029 R)
• M2: 390,151 km (0.1 R)
• M3: 662,270 km (0.109 R)
• M4: 1,088,474 km (0.088 R)
• M5: 1,605,484 km (0.114 R)
• M6: 1,869,525 km (0.119 R)
• M7: 2,544,959 km (0.103 R)
• M8: 2,731,358 km (0.086 R)
• M9: 3,202,292 km (0.115 R)
• M10: 3,519,888 km (0.114 R)
• M11: 5,198,825 km (0.077 R)
• M12: 6,285,654 km (0.094 R)
• M13: 6,862,503 km (0.096 R)
• M14: 7,432,022 km (0.096 R)
• M15: 8,032,658 km (0.103 R)
• M16: 9,232,881 km (0.081 R)
• M17: 14,437,840 km (0.104 R)
• M18: 15,302,665 km (0.098 R)
• M19: 15,507,016 km (0.078 R)
• M20: 15,921,253 km (0.031 R)
• M21: 18,028,039 km (0.117 R)
• M22: 19,504,720 km (0.085 R)
• M23: 20,150,085 km (0.095 R)
• M24: 23,772,897 km (0.111 R)
• M25: 25,070,958 km (0.117 R)
• M26: 27,105,339 km (0.088 R)
• M27: 28,727,279 km (0.096 R)
• M28: 32,052,092 km (0.085 R)
• M29: 43,684,373 km (0.025 R)
• M30: 45,626,902 km (0.085 R)
• M31: 47,049,129 km (0.068 R)
• M32: 48,500,677 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.5

Radius: 7.6

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.04 AU - 11.4 AU

Year: 22160 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,123,915 km

• M1: 94,695 km (0.076 R)
• M2: 347,665 km (0.098 R)
• M3: 966,552 km (0.079 R)
• M4: 1,570,778 km (0.077 R)
• M5: 2,291,839 km (0.116 R)
• M6: 2,815,282 km (0.086 R)
• M7: 3,272,304 km (0.074 R)
• M8: 3,654,377 km (0.096 R)
• M9: 4,508,132 km (0.038 R)
• M10: 5,859,001 km (0.103 R)
• M11: 8,176,272 km (0.102 R)
• M12: 9,625,576 km (0.107 R)
• M13: 10,411,114 km (0.056 R)
• M14: 12,455,668 km (0.098 R)
• M15: 13,241,356 km (0.096 R)
• M16: 16,044,521 km (0.117 R)
• M17: 19,502,177 km (0.072 R)
• M18: 20,658,718 km (0.104 R)
• M19: 22,478,127 km (0.048 R)
• M20: 23,320,064 km (0.077 R)
• M21: 28,573,642 km (0.068 R)
• M22: 29,436,523 km (0.112 R)
• M23: 30,571,372 km (0.101 R)
• M24: 36,542,421 km (0.076 R)
• M25: 39,194,044 km (0.091 R)
• M26: 39,648,073 km (0.103 R)
• M27: 46,716,872 km (0.049 R)
• M28: 51,265,096 km (0.071 R)
• M29: 60,019,713 km (0.116 R)
• M30: 64,748,502 km (0.111 R)
• M31: 65,171,116 km (0.087 R)
• M32: 68,837,610 km (0.107 R)
• M33: 69,498,533 km (0.083 R)
• M34: 72,184,862 km (0.118 R)
• M35: 75,172,332 km (0.113 R)
• M36: 78,002,125 km (0.149 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 13,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit