🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.5

Radius: 8.1

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,884,717 km

• M1: 100,679 km (0.074 R)
• M2: 396,434 km (0.093 R)
• M3: 668,852 km (0.052 R)
• M4: 949,498 km (0.098 R)
• M5: 1,488,648 km (0.103 R)
• M6: 1,788,443 km (0.092 R)
• M7: 2,201,632 km (0.058 R)
• M8: 2,484,671 km (0.08 R)
• M9: 2,990,461 km (0.06 R)
• M10: 3,691,028 km (0.115 R)
• M11: 3,943,250 km (0.028 R)
• M12: 4,245,887 km (0.114 R)
• M13: 4,523,241 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 14.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.32 AU - 1.58 AU

Year: 1205 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,884,717 km

• M1: 184,005 km (0.12 R)
• M2: 654,341 km (0.054 R)
• M3: 1,129,913 km (0.091 R)
• M4: 1,660,237 km (0.079 R)
• M5: 2,121,597 km (0.11 R)
• M6: 2,647,882 km (0.052 R)
• M7: 3,652,133 km (0.089 R)
• M8: 4,243,194 km (0.12 R)
• M9: 4,744,796 km (0.082 R)
• M10: 5,451,047 km (0.075 R)
• M11: 6,105,538 km (0.077 R)
• M12: 6,747,762 km (0.114 R)
• M13: 8,119,424 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 10.3

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.33 AU - 2.17 AU

Year: 1598 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,884,717 km

• M1: 128,505 km (0.093 R)
• M2: 519,254 km (0.112 R)
• M3: 1,026,840 km (0.055 R)
• M4: 1,416,692 km (0.06 R)
• M5: 2,245,913 km (0.094 R)
• M6: 2,930,473 km (0.099 R)
• M7: 4,328,016 km (0.1 R)
• M8: 5,009,584 km (0.111 R)
• M9: 5,549,034 km (0.091 R)
• M10: 5,881,291 km (0.087 R)
• M11: 6,379,152 km (0.099 R)
• M12: 7,206,279 km (0.049 R)
• M13: 8,625,963 km (0.107 R)
• M14: 9,468,648 km (0.071 R)
• M15: 10,223,818 km (0.111 R)
• M16: 11,167,331 km (0.037 R)
• M17: 12,812,908 km (0.113 R)
• M18: 13,353,405 km (0.078 R)
• M19: 13,865,927 km (0.118 R)
• M20: 14,884,839 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 12.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.55 AU - 2.03 AU

Year: 1653 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,884,717 km

• M1: 150,495 km (0.068 R)
• M2: 582,235 km (0.112 R)
• M3: 1,211,593 km (0.089 R)
• M4: 1,607,878 km (0.113 R)
• M5: 2,008,052 km (0.12 R)
• M6: 2,673,314 km (0.107 R)
• M7: 3,563,421 km (0.093 R)
• M8: 4,270,421 km (0.102 R)
• M9: 4,724,899 km (0.106 R)
• M10: 6,024,007 km (0.115 R)
• M11: 7,901,161 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.8

Radius: 13.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.4 AU - 2.66 AU

Year: 2778 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,884,717 km

• M1: 169,494 km (0.101 R)
• M2: 630,405 km (0.074 R)
• M3: 1,126,921 km (0.104 R)
• M4: 1,867,580 km (0.106 R)
• M5: 2,564,407 km (0.092 R)
• M6: 3,941,605 km (0.089 R)
• M7: 4,805,832 km (0.107 R)
• M8: 5,270,782 km (0.087 R)
• M9: 6,759,729 km (0.118 R)
• M10: 7,313,840 km (0.115 R)
• M11: 7,931,380 km (0.065 R)
• M12: 8,583,627 km (0.079 R)
• M13: 9,234,377 km (0.078 R)
• M14: 9,763,056 km (0.112 R)
• M15: 10,271,988 km (0.08 R)
• M16: 11,906,345 km (0.106 R)
• M17: 12,670,491 km (0.102 R)
• M18: 14,000,416 km (0.088 R)
• M19: 15,844,658 km (0.117 R)
• M20: 16,493,913 km (0.092 R)
• M21: 17,615,448 km (0.116 R)
• M22: 18,847,237 km (0.041 R)
• M23: 20,010,510 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 10

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.85 AU - 5.93 AU

Year: 7464 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,884,717 km

• M1: 124,765 km (0.068 R)
• M2: 466,745 km (0.104 R)
• M3: 978,370 km (0.118 R)
• M4: 1,902,586 km (0.105 R)
• M5: 2,630,230 km (0.048 R)
• M6: 5,365,926 km (0.067 R)
• M7: 7,641,459 km (0.066 R)
• M8: 8,246,283 km (0.065 R)
• M9: 9,597,302 km (0.038 R)
• M10: 15,146,336 km (0.101 R)
• M11: 17,641,628 km (0.083 R)
• M12: 20,171,478 km (0.109 R)
• M13: 21,641,576 km (0.103 R)
• M14: 23,431,514 km (0.114 R)
• M15: 24,362,612 km (0.106 R)
• M16: 28,239,889 km (0.041 R)
• M17: 32,718,550 km (0.103 R)
• M18: 33,667,898 km (0.067 R)
• M19: 39,515,530 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.4

Radius: 7.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.06 AU - 7.6 AU

Year: 10993 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,884,717 km

• M1: 95,743 km (0.052 R)
• M2: 431,590 km (0.113 R)
• M3: 697,126 km (0.06 R)
• M4: 1,026,690 km (0.068 R)
• M5: 2,023,461 km (0.092 R)
• M6: 2,763,372 km (0.1 R)
• M7: 3,122,108 km (0.066 R)
• M8: 3,400,210 km (0.073 R)
• M9: 5,403,325 km (0.067 R)
• M10: 8,206,042 km (0.101 R)
• M11: 11,397,862 km (0.088 R)
• M12: 12,269,419 km (0.101 R)
• M13: 13,518,561 km (0.106 R)
• M14: 15,030,098 km (0.092 R)
• M15: 15,455,704 km (0.037 R)
• M16: 17,106,816 km (0.045 R)
• M17: 19,510,704 km (0.106 R)
• M18: 33,192,476 km (0.11 R)
• M19: 33,914,136 km (0.081 R)
• M20: 35,925,779 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.2

Radius: 7.6

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.21 AU - 10.67 AU

Year: 20020 Days

Day: 21.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,884,717 km

• M1: 95,144 km (0.105 R)
• M2: 419,024 km (0.081 R)
• M3: 782,696 km (0.097 R)
• M4: 1,044,193 km (0.076 R)
• M5: 1,349,373 km (0.075 R)
• M6: 1,881,343 km (0.114 R)
• M7: 3,356,827 km (0.075 R)
• M8: 4,753,024 km (0.049 R)
• M9: 5,764,904 km (0.033 R)
• M10: 6,017,425 km (0.116 R)
• M11: 8,050,460 km (0.083 R)
• M12: 9,079,992 km (0.118 R)
• M13: 10,378,651 km (0.094 R)
• M14: 11,931,777 km (0.041 R)
• M15: 14,465,665 km (0.087 R)
• M16: 17,250,729 km (0.089 R)
• M17: 19,045,754 km (0.108 R)
• M18: 19,702,488 km (0.113 R)
• M19: 20,666,647 km (0.085 R)
• M20: 24,289,309 km (0.092 R)
• M21: 32,629,091 km (0.093 R)
• M22: 36,639,810 km (0.105 R)
• M23: 43,979,829 km (0.105 R)
• M24: 48,858,066 km (0.081 R)
• M25: 50,442,308 km (0.073 R)
• M26: 50,977,868 km (0.077 R)
• M27: 51,879,046 km (0.08 R)
• M28: 52,790,695 km (0.046 R)
• M29: 57,122,301 km (0.091 R)
• M30: 61,685,186 km (0.06 R)
• M31: 74,488,370 km (0.09 R)
• M32: 75,415,279 km (0.165 R)
• M33: 77,292,433 km (0.212 R)
• M34: 79,200,404 km (0.09 R)
• M35: 82,120,854 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.1

Radius: 3

Gravity: 81.46 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.23 AU - 11.59 AU

Year: 23184 Days

Day: 17.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 85,884,717 km

• M1: 38,596 km (0.109 R)
• M2: 181,911 km (0.097 R)
• M3: 363,224 km (0.04 R)
• M4: 809,773 km (0.058 R)
• M5: 1,002,156 km (0.115 R)
• M6: 1,095,505 km (0.111 R)
• M7: 1,528,890 km (0.069 R)
• M8: 1,921,884 km (0.12 R)
• M9: 2,449,216 km (0.071 R)
• M10: 2,570,091 km (0.039 R)
• M11: 3,655,274 km (0.102 R)
• M12: 3,845,712 km (0.051 R)
• M13: 4,211,778 km (0.083 R)
• M14: 4,385,761 km (0.087 R)
• M15: 4,673,886 km (0.079 R)
• M16: 5,368,320 km (0.119 R)
• M17: 6,674,010 km (0.038 R)
• M18: 7,653,427 km (0.073 R)
• M19: 8,123,763 km (0.108 R)
• M20: 8,557,896 km (0.094 R)
• M21: 9,296,012 km (0.111 R)
• M22: 13,405,615 km (0.103 R)
• M23: 14,164,974 km (0.062 R)
• M24: 19,047,848 km (0.119 R)
• M25: 19,908,933 km (0.087 R)
• M26: 20,596,336 km (0.118 R)
• M27: 23,073,228 km (0.117 R)
• M28: 23,831,390 km (0.094 R)
• M29: 23,941,045 km (0.086 R)
• M30: 28,856,532 km (0.042 R)
• M31: 31,548,545 km (0.111 R)
• M32: 31,813,334 km (0.108 R)
• M33: 33,023,431 km (0.101 R)
• M34: 35,534,730 km (0.094 R)
• M35: 38,170,346 km (0.102 R)
• M36: 42,524,392 km (0.118 R)
• M37: 44,487,564 km (0.109 R)
• M38: 49,479,496 km (0.108 R)
• M39: 62,411,633 km (0.106 R)
• M40: 65,801,671 km (0.102 R)
• M41: 66,667,842 km (0.082 R)
• M42: 76,703,915 km (0.051 R)
• M43: 78,630,436 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 14,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit