🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 10.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.22 AU - 1.92 AU

Year: 1383 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,424,750 km

• M1: 132,544 km (0.049 R)
• M2: 555,457 km (0.083 R)
• M3: 1,105,977 km (0.033 R)
• M4: 1,661,733 km (0.097 R)
• M5: 2,469,562 km (0.105 R)
• M6: 2,832,037 km (0.109 R)
• M7: 3,185,537 km (0.093 R)
• M8: 3,763,583 km (0.119 R)
• M9: 6,826,001 km (0.115 R)
• M10: 7,546,315 km (0.101 R)
• M11: 9,108,117 km (0.072 R)
• M12: 10,471,402 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 8.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.03 AU - 4.17 AU

Year: 5836 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,424,750 km

• M1: 105,766 km (0.072 R)
• M2: 420,968 km (0.118 R)
• M3: 1,136,196 km (0.064 R)
• M4: 1,553,424 km (0.101 R)
• M5: 2,041,263 km (0.1 R)
• M6: 3,509,117 km (0.105 R)
• M7: 4,702,459 km (0.038 R)
• M8: 5,349,171 km (0.107 R)
• M9: 6,208,312 km (0.103 R)
• M10: 6,557,323 km (0.106 R)
• M11: 7,576,085 km (0.101 R)
• M12: 7,864,659 km (0.088 R)
• M13: 8,160,713 km (0.062 R)
• M14: 9,337,749 km (0.107 R)
• M15: 10,182,977 km (0.073 R)
• M16: 11,032,245 km (0.073 R)
• M17: 13,024,589 km (0.087 R)
• M18: 13,439,723 km (0.118 R)
• M19: 14,905,932 km (0.031 R)
• M20: 15,188,672 km (0.071 R)
• M21: 15,475,152 km (0.077 R)
• M22: 17,456,576 km (0.05 R)
• M23: 18,089,075 km (0.074 R)
• M24: 18,410,860 km (0.096 R)
• M25: 19,132,520 km (0.12 R)
• M26: 24,800,485 km (0.081 R)
• M27: 26,581,148 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.3 AU - 4.9 AU

Year: 6935 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,424,750 km

• M1: 99,483 km (0.09 R)
• M2: 591,211 km (0.092 R)
• M3: 1,059,901 km (0.075 R)
• M4: 1,568,683 km (0.113 R)
• M5: 1,872,965 km (0.115 R)
• M6: 2,245,913 km (0.112 R)
• M7: 2,505,615 km (0.1 R)
• M8: 2,819,920 km (0.114 R)
• M9: 3,568,358 km (0.09 R)
• M10: 3,881,018 km (0.081 R)
• M11: 5,562,049 km (0.087 R)
• M12: 5,983,616 km (0.086 R)
• M13: 6,246,609 km (0.069 R)
• M14: 6,795,782 km (0.029 R)
• M15: 10,036,671 km (0.091 R)
• M16: 10,619,504 km (0.106 R)
• M17: 10,919,298 km (0.099 R)
• M18: 12,886,211 km (0.1 R)
• M19: 14,287,195 km (0.097 R)
• M20: 14,705,471 km (0.108 R)
• M21: 15,457,200 km (0.085 R)
• M22: 17,212,282 km (0.12 R)
• M23: 18,168,362 km (0.107 R)
• M24: 19,412,568 km (0.116 R)
• M25: 20,448,234 km (0.108 R)
• M26: 20,779,144 km (0.104 R)
• M27: 23,848,593 km (0.103 R)
• M28: 25,186,896 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 13.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.4 AU - 6.46 AU

Year: 8894 Days

Day: 11.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,424,750 km

• M1: 184,903 km (0.098 R)
• M2: 669,750 km (0.081 R)
• M3: 1,632,861 km (0.058 R)
• M4: 6,421,189 km (0.098 R)
• M5: 6,972,308 km (0.101 R)
• M6: 9,154,941 km (0.091 R)
• M7: 10,126,130 km (0.068 R)
• M8: 12,641,170 km (0.105 R)
• M9: 13,124,969 km (0.095 R)
• M10: 16,736,561 km (0.102 R)
• M11: 21,414,935 km (0.093 R)
• M12: 26,374,553 km (0.106 R)
• M13: 27,612,177 km (0.078 R)
• M14: 28,519,787 km (0.114 R)
• M15: 30,013,073 km (0.082 R)
• M16: 32,550,103 km (0.049 R)
• M17: 34,910,907 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.4

Radius: 5.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.52 AU - 6.58 AU

Year: 9191 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,424,750 km

• M1: 69,413 km (0.103 R)
• M2: 243,097 km (0.108 R)
• M3: 522,994 km (0.101 R)
• M4: 750,084 km (0.091 R)
• M5: 1,195,586 km (0.027 R)
• M6: 1,939,088 km (0.049 R)
• M7: 2,916,261 km (0.089 R)
• M8: 3,428,185 km (0.058 R)
• M9: 3,618,772 km (0.073 R)
• M10: 4,161,663 km (0.087 R)
• M11: 4,654,439 km (0.054 R)
• M12: 4,914,888 km (0.067 R)
• M13: 5,522,405 km (0.083 R)
• M14: 6,147,724 km (0.106 R)
• M15: 6,461,431 km (0.053 R)
• M16: 7,502,632 km (0.105 R)
• M17: 8,156,076 km (0.108 R)
• M18: 8,651,245 km (0.1 R)
• M19: 9,328,474 km (0.096 R)
• M20: 9,700,973 km (0.079 R)
• M21: 10,169,813 km (0.066 R)
• M22: 10,743,072 km (0.112 R)
• M23: 11,954,067 km (0.095 R)
• M24: 12,996,315 km (0.059 R)
• M25: 13,565,834 km (0.101 R)
• M26: 14,977,888 km (0.12 R)
• M27: 17,213,778 km (0.031 R)
• M28: 17,900,283 km (0.083 R)
• M29: 19,730,164 km (0.076 R)
• M30: 23,150,719 km (0.108 R)
• M31: 24,842,821 km (0.082 R)
• M32: 26,287,188 km (0.086 R)
• M33: 28,904,403 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.8

Radius: 6.1

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.17 AU - 11.63 AU

Year: 23575 Days

Day: 25 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,424,750 km

• M1: 75,846 km (0.109 R)
• M2: 409,001 km (0.092 R)
• M3: 750,832 km (0.09 R)
• M4: 2,716,099 km (0.108 R)
• M5: 5,515,374 km (0.086 R)
• M6: 5,757,124 km (0.119 R)
• M7: 7,801,978 km (0.062 R)
• M8: 9,578,602 km (0.062 R)
• M9: 10,591,679 km (0.103 R)
• M10: 11,674,319 km (0.077 R)
• M11: 12,899,076 km (0.081 R)
• M12: 17,598,544 km (0.086 R)
• M13: 18,123,184 km (0.113 R)
• M14: 21,691,841 km (0.085 R)
• M15: 22,092,763 km (0.116 R)
• M16: 25,258,703 km (0.097 R)
• M17: 28,714,414 km (0.115 R)
• M18: 30,932,202 km (0.12 R)
• M19: 31,185,471 km (0.116 R)
• M20: 37,113,736 km (0.053 R)
• M21: 38,999,118 km (0.065 R)
• M22: 43,117,098 km (0.05 R)
• M23: 44,713,008 km (0.1 R)
• M24: 45,853,393 km (0.084 R)
• M25: 47,012,926 km (0.115 R)
• M26: 49,736,505 km (0.108 R)
• M27: 66,195,113 km (0.104 R)
• M28: 71,361,775 km (0.115 R)
• M29: 73,591,681 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 11,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit