🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 15

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.66 AU - 1 AU

Year: 513 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,743,173 km

• M1: 207,791 km (0.117 R)
• M2: 708,496 km (0.03 R)
• M3: 1,433,596 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 12.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.94 AU - 0.96 AU

Year: 628 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,743,173 km

• M1: 155,582 km (0.052 R)
• M2: 549,772 km (0.093 R)
• M3: 968,197 km (0.066 R)
• M4: 1,423,125 km (0.095 R)
• M5: 1,874,461 km (0.041 R)
• M6: 2,312,334 km (0.1 R)
• M7: 2,933,465 km (0.12 R)
• M8: 4,043,182 km (0.106 R)
• M9: 4,670,446 km (0.072 R)
• M10: 5,414,845 km (0.034 R)
• M11: 6,435,102 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.12 AU - 1.3 AU

Year: 903 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,743,173 km

• M1: 167,849 km (0.055 R)
• M2: 782,546 km (0.06 R)
• M3: 1,322,894 km (0.089 R)
• M4: 1,902,287 km (0.118 R)
• M5: 2,326,696 km (0.087 R)
• M6: 2,754,695 km (0.078 R)
• M7: 3,249,415 km (0.114 R)
• M8: 3,909,142 km (0.063 R)
• M9: 4,956,776 km (0.111 R)
• M10: 5,955,790 km (0.101 R)
• M11: 8,507,332 km (0.057 R)
• M12: 9,286,288 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 12.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.73 AU - 2.09 AU

Year: 1790 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,743,173 km

• M1: 153,039 km (0.049 R)
• M2: 682,166 km (0.065 R)
• M3: 1,102,387 km (0.028 R)
• M4: 1,598,453 km (0.106 R)
• M5: 2,169,169 km (0.085 R)
• M6: 2,937,354 km (0.032 R)
• M7: 3,942,502 km (0.064 R)
• M8: 4,386,808 km (0.096 R)
• M9: 5,126,121 km (0.057 R)
• M10: 6,181,234 km (0.077 R)
• M11: 6,623,895 km (0.072 R)
• M12: 7,925,695 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 13.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.8 AU - 2.74 AU

Year: 2320 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,743,173 km

• M1: 166,652 km (0.106 R)
• M2: 696,976 km (0.103 R)
• M3: 1,250,489 km (0.119 R)
• M4: 2,005,958 km (0.099 R)
• M5: 2,502,024 km (0.108 R)
• M6: 3,064,812 km (0.067 R)
• M7: 4,198,315 km (0.099 R)
• M8: 5,803,500 km (0.082 R)
• M9: 6,538,923 km (0.081 R)
• M10: 7,530,757 km (0.081 R)
• M11: 8,528,275 km (0.111 R)
• M12: 9,480,017 km (0.074 R)
• M13: 11,075,329 km (0.119 R)
• M14: 12,052,801 km (0.052 R)
• M15: 14,792,537 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 12.2

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.12 AU - 3.02 AU

Year: 2794 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 116.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,743,173 km

• M1: 151,692 km (0.112 R)
• M2: 777,610 km (0.043 R)
• M3: 1,245,103 km (0.096 R)
• M4: 1,680,582 km (0.085 R)
• M5: 2,218,686 km (0.082 R)
• M6: 3,483,985 km (0.115 R)
• M7: 4,305,726 km (0.083 R)
• M8: 5,252,531 km (0.091 R)
• M9: 5,838,655 km (0.118 R)
• M10: 6,855,771 km (0.112 R)
• M11: 7,800,931 km (0.052 R)
• M12: 9,344,033 km (0.093 R)
• M13: 11,398,011 km (0.081 R)
• M14: 12,467,038 km (0.104 R)
• M15: 15,043,412 km (0.112 R)
• M16: 15,431,469 km (0.034 R)
• M17: 15,925,890 km (0.108 R)
• M18: 16,430,933 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 14.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.68 AU - 4.68 AU

Year: 6867 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,743,173 km

• M1: 185,651 km (0.115 R)
• M2: 1,439,281 km (0.061 R)
• M3: 2,983,430 km (0.056 R)
• M4: 3,716,011 km (0.102 R)
• M5: 5,154,395 km (0.118 R)
• M6: 5,984,513 km (0.12 R)
• M7: 6,621,052 km (0.047 R)
• M8: 7,527,316 km (0.088 R)
• M9: 8,764,341 km (0.032 R)
• M10: 10,040,560 km (0.098 R)
• M11: 10,844,499 km (0.049 R)
• M12: 12,156,622 km (0.086 R)
• M13: 14,261,763 km (0.102 R)
• M14: 16,278,791 km (0.096 R)
• M15: 18,065,439 km (0.084 R)
• M16: 19,615,422 km (0.117 R)
• M17: 20,797,246 km (0.099 R)
• M18: 25,654,988 km (0.075 R)
• M19: 26,710,101 km (0.055 R)
• M20: 27,248,355 km (0.044 R)
• M21: 31,221,524 km (0.067 R)
• M22: 34,180,421 km (0.111 R)
• M23: 35,028,491 km (0.111 R)
• M24: 35,890,624 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 8.5

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.54 AU - 6.68 AU

Year: 9012 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,743,173 km

• M1: 105,766 km (0.118 R)
• M2: 440,267 km (0.099 R)
• M3: 860,936 km (0.115 R)
• M4: 1,168,808 km (0.094 R)
• M5: 1,815,969 km (0.078 R)
• M6: 2,421,541 km (0.114 R)
• M7: 2,923,142 km (0.038 R)
• M8: 3,515,700 km (0.063 R)
• M9: 4,238,856 km (0.107 R)
• M10: 5,147,962 km (0.051 R)
• M11: 6,783,964 km (0.084 R)
• M12: 9,965,761 km (0.085 R)
• M13: 10,301,309 km (0.1 R)
• M14: 11,561,821 km (0.104 R)
• M15: 11,932,375 km (0.093 R)
• M16: 13,553,268 km (0.102 R)
• M17: 18,416,695 km (0.1 R)
• M18: 21,752,129 km (0.119 R)
• M19: 22,892,663 km (0.065 R)
• M20: 24,158,261 km (0.11 R)
• M21: 26,370,365 km (0.038 R)
• M22: 30,185,110 km (0.118 R)
• M23: 31,091,524 km (0.104 R)
• M24: 34,027,382 km (0.12 R)
• M25: 35,785,307 km (0.117 R)
• M26: 37,950,586 km (0.109 R)
• M27: 38,417,332 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.4

Radius: 4.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.94 AU - 7.56 AU

Year: 11895 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,743,173 km

• M1: 58,493 km (0.095 R)
• M2: 394,041 km (0.073 R)
• M3: 1,880,595 km (0.043 R)
• M4: 2,339,112 km (0.079 R)
• M5: 3,152,177 km (0.108 R)
• M6: 6,828,844 km (0.116 R)
• M7: 9,399,982 km (0.082 R)
• M8: 12,015,252 km (0.029 R)
• M9: 12,403,459 km (0.113 R)
• M10: 12,551,261 km (0.105 R)
• M11: 17,426,955 km (0.118 R)
• M12: 21,817,204 km (0.119 R)
• M13: 22,249,542 km (0.094 R)
• M14: 26,400,434 km (0.071 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: 327 - 16,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit