🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 13

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.43 AU - 0.59 AU

Year: 256 Days

Day: 11.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,920,923 km

• M1: 161,715 km (0.082 R)
• M2: 723,605 km (0.08 R)
• M3: 1,132,605 km (0.119 R)
• M4: 1,621,641 km (0.072 R)
• M5: 2,074,025 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 13.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.01 AU - 2.01 AU

Year: 2003 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,920,923 km

• M1: 169,195 km (0.033 R)
• M2: 619,634 km (0.12 R)
• M3: 1,314,516 km (0.097 R)
• M4: 1,878,800 km (0.102 R)
• M5: 2,525,661 km (0.108 R)
• M6: 3,540,682 km (0.115 R)
• M7: 4,070,408 km (0.111 R)
• M8: 5,823,696 km (0.079 R)
• M9: 7,560,078 km (0.076 R)
• M10: 8,238,504 km (0.104 R)
• M11: 9,174,538 km (0.076 R)
• M12: 11,150,576 km (0.071 R)
• M13: 12,956,522 km (0.106 R)
• M14: 13,518,262 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 14

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.33 AU - 2.63 AU

Year: 2745 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,920,923 km

• M1: 178,769 km (0.037 R)
• M2: 870,959 km (0.038 R)
• M3: 1,423,274 km (0.094 R)
• M4: 2,109,779 km (0.084 R)
• M5: 3,844,216 km (0.096 R)
• M6: 4,482,102 km (0.109 R)
• M7: 4,969,940 km (0.077 R)
• M8: 7,149,282 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 7.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.6 AU - 6.12 AU

Year: 9971 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,920,923 km

• M1: 103,372 km (0.101 R)
• M2: 1,271,582 km (0.117 R)
• M3: 1,805,347 km (0.06 R)
• M4: 2,116,810 km (0.108 R)
• M5: 13,502,704 km (0.065 R)
• M6: 16,014,901 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.4

Radius: 7.7

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.02 AU - 8.06 AU

Year: 14553 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,920,923 km

• M1: 95,892 km (0.108 R)
• M2: 357,539 km (0.033 R)
• M3: 763,099 km (0.116 R)
• M4: 1,237,474 km (0.106 R)
• M5: 1,804,450 km (0.079 R)
• M6: 4,587,269 km (0.073 R)
• M7: 4,878,835 km (0.115 R)
• M8: 5,307,882 km (0.043 R)
• M9: 8,131,691 km (0.116 R)
• M10: 11,610,740 km (0.113 R)
• M11: 12,043,975 km (0.081 R)
• M12: 12,827,868 km (0.099 R)
• M13: 15,708,824 km (0.118 R)
• M14: 17,125,216 km (0.119 R)
• M15: 18,405,475 km (0.051 R)
• M16: 19,444,432 km (0.11 R)
• M17: 20,287,865 km (0.115 R)
• M18: 21,801,646 km (0.052 R)
• M19: 22,212,142 km (0.067 R)
• M20: 24,255,051 km (0.096 R)
• M21: 25,958,821 km (0.036 R)
• M22: 28,612,687 km (0.063 R)
• M23: 29,104,864 km (0.087 R)
• M24: 29,803,486 km (0.09 R)
• M25: 31,027,047 km (0.072 R)
• M26: 33,683,008 km (0.105 R)
• M27: 34,674,991 km (0.062 R)
• M28: 35,234,637 km (0.113 R)
• M29: 36,717,451 km (0.055 R)
• M30: 37,065,565 km (0.093 R)
• M31: 41,040,530 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.6

Radius: 6.2

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.74 AU - 11.84 AU

Year: 21532 Days

Day: 17.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,920,923 km

• M1: 80,932 km (0.057 R)
• M2: 330,013 km (0.116 R)
• M3: 1,487,751 km (0.103 R)
• M4: 2,060,561 km (0.051 R)
• M5: 3,691,776 km (0.077 R)
• M6: 4,661,320 km (0.108 R)
• M7: 6,549,096 km (0.076 R)
• M8: 9,167,507 km (0.107 R)
• M9: 13,029,077 km (0.094 R)
• M10: 19,724,778 km (0.113 R)
• M11: 20,282,479 km (0.106 R)
• M12: 21,235,418 km (0.055 R)
• M13: 22,821,754 km (0.1 R)
• M14: 24,167,386 km (0.061 R)
• M15: 26,005,944 km (0.087 R)
• M16: 44,500,131 km (0.111 R)
• M17: 47,915,899 km (0.075 R)
• M18: 49,261,831 km (0.051 R)
• M19: 49,944,147 km (0.056 R)
• M20: 54,352,048 km (0.114 R)
• M21: 56,371,170 km (0.08 R)
• M22: 59,589,021 km (0.086 R)
• M23: 63,932,146 km (0.071 R)
• M24: 65,562,464 km (0.067 R)
• M25: 67,011,469 km (0.102 R)
• M26: 67,220,307 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.6

Radius: 5.7

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.26 AU - 10.86 AU

Year: 22429 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,920,923 km

• M1: 87,814 km (0.106 R)
• M2: 317,746 km (0.092 R)
• M3: 667,954 km (0.111 R)
• M4: 909,854 km (0.073 R)
• M5: 2,337,766 km (0.083 R)
• M6: 3,030,404 km (0.119 R)
• M7: 4,705,900 km (0.058 R)
• M8: 8,852,155 km (0.104 R)
• M9: 10,626,386 km (0.091 R)
• M10: 10,871,427 km (0.044 R)
• M11: 18,912,462 km (0.043 R)
• M12: 20,663,355 km (0.097 R)
• M13: 20,853,794 km (0.092 R)
• M14: 23,127,980 km (0.089 R)
• M15: 26,559,905 km (0.111 R)
• M16: 38,717,575 km (0.118 R)
• M17: 39,737,084 km (0.072 R)
• M18: 40,179,445 km (0.103 R)
• M19: 41,677,817 km (0.064 R)
• M20: 54,120,770 km (0.088 R)
• M21: 56,688,318 km (0.095 R)
• M22: 68,825,792 km (0.112 R)
• M23: 70,105,601 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.4

Radius: 4.8

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.1 AU - 12.58 AU

Year: 23372 Days

Day: 24.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,920,923 km

• M1: 59,690 km (0.119 R)
• M2: 407,804 km (0.081 R)
• M3: 659,577 km (0.111 R)
• M4: 1,387,819 km (0.083 R)
• M5: 2,636,662 km (0.062 R)
• M6: 3,039,230 km (0.073 R)
• M7: 4,055,598 km (0.062 R)
• M8: 6,522,168 km (0.037 R)
• M9: 7,078,223 km (0.096 R)
• M10: 10,684,579 km (0.096 R)
• M11: 11,395,319 km (0.048 R)
• M12: 13,376,593 km (0.118 R)
• M13: 13,784,845 km (0.1 R)
• M14: 23,402,642 km (0.103 R)
• M15: 23,895,717 km (0.097 R)
• M16: 32,026,511 km (0.053 R)
• M17: 33,497,806 km (0.104 R)
• M18: 38,453,833 km (0.096 R)
• M19: 39,278,417 km (0.105 R)
• M20: 40,396,212 km (0.09 R)
• M21: 42,112,549 km (0.105 R)
• M22: 42,403,217 km (0.073 R)
• M23: 46,150,494 km (0.102 R)
• M24: 47,394,700 km (0.059 R)
• M25: 48,025,255 km (0.107 R)
• M26: 49,625,653 km (0.054 R)
• M27: 51,261,356 km (0.056 R)
• M28: 56,032,032 km (0.106 R)
• M29: 57,091,335 km (0.077 R)
• M30: 57,805,066 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit