🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 13.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.86 AU - 2.94 AU

Year: 2479 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,679,711 km

• M1: 175,478 km (0.083 R)
• M2: 667,954 km (0.071 R)
• M3: 1,260,362 km (0.09 R)
• M4: 2,837,273 km (0.075 R)
• M5: 3,493,409 km (0.094 R)
• M6: 3,960,604 km (0.095 R)
• M7: 5,022,449 km (0.092 R)
• M8: 5,937,240 km (0.101 R)
• M9: 7,326,705 km (0.052 R)
• M10: 7,825,165 km (0.113 R)
• M11: 8,346,215 km (0.091 R)
• M12: 8,955,976 km (0.095 R)
• M13: 9,595,207 km (0.067 R)
• M14: 10,085,739 km (0.096 R)
• M15: 10,965,524 km (0.098 R)
• M16: 11,737,150 km (0.119 R)
• M17: 12,421,410 km (0.09 R)
• M18: 13,519,160 km (0.07 R)
• M19: 14,588,934 km (0.11 R)
• M20: 15,097,716 km (0.077 R)
• M21: 15,570,595 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 12.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.44 AU - 4.26 AU

Year: 5038 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,679,711 km

• M1: 156,330 km (0.088 R)
• M2: 677,828 km (0.038 R)
• M3: 1,142,329 km (0.065 R)
• M4: 1,536,669 km (0.094 R)
• M5: 2,116,810 km (0.103 R)
• M6: 2,823,361 km (0.085 R)
• M7: 3,352,638 km (0.106 R)
• M8: 4,011,018 km (0.099 R)
• M9: 4,542,539 km (0.053 R)
• M10: 5,720,772 km (0.116 R)
• M11: 6,280,119 km (0.116 R)
• M12: 9,643,079 km (0.105 R)
• M13: 10,436,995 km (0.107 R)
• M14: 11,145,640 km (0.087 R)
• M15: 11,577,230 km (0.068 R)
• M16: 12,020,039 km (0.054 R)
• M17: 12,845,670 km (0.093 R)
• M18: 13,368,515 km (0.059 R)
• M19: 14,610,027 km (0.105 R)
• M20: 16,035,396 km (0.035 R)
• M21: 18,196,038 km (0.058 R)
• M22: 18,674,601 km (0.098 R)
• M23: 22,741,569 km (0.066 R)
• M24: 23,648,731 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 14.9

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.02 AU - 4.58 AU

Year: 5946 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,679,711 km

• M1: 219,310 km (0.075 R)
• M2: 1,590,674 km (0.066 R)
• M3: 2,385,338 km (0.118 R)
• M4: 3,048,954 km (0.081 R)
• M5: 3,685,044 km (0.073 R)
• M6: 4,164,206 km (0.12 R)
• M7: 4,642,172 km (0.054 R)
• M8: 5,226,650 km (0.07 R)
• M9: 6,517,381 km (0.114 R)
• M10: 7,078,223 km (0.093 R)
• M11: 7,917,767 km (0.111 R)
• M12: 8,557,447 km (0.115 R)
• M13: 9,724,011 km (0.086 R)
• M14: 10,724,073 km (0.103 R)
• M15: 11,468,173 km (0.029 R)
• M16: 12,288,418 km (0.112 R)
• M17: 13,412,945 km (0.098 R)
• M18: 13,908,862 km (0.059 R)
• M19: 14,889,925 km (0.091 R)
• M20: 18,885,534 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 13.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.68 AU - 6.1 AU

Year: 8345 Days

Day: 5.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,679,711 km

• M1: 167,400 km (0.069 R)
• M2: 672,442 km (0.087 R)
• M3: 1,120,039 km (0.105 R)
• M4: 1,866,084 km (0.074 R)
• M5: 2,598,515 km (0.117 R)
• M6: 3,443,893 km (0.101 R)
• M7: 4,908,755 km (0.048 R)
• M8: 5,815,916 km (0.086 R)
• M9: 7,143,149 km (0.114 R)
• M10: 8,048,515 km (0.072 R)
• M11: 9,693,344 km (0.041 R)
• M12: 10,960,886 km (0.07 R)
• M13: 14,134,755 km (0.111 R)
• M14: 14,706,967 km (0.088 R)
• M15: 15,830,147 km (0.104 R)
• M16: 17,152,144 km (0.089 R)
• M17: 18,321,401 km (0.075 R)
• M18: 20,818,638 km (0.099 R)
• M19: 24,430,230 km (0.12 R)
• M20: 24,886,354 km (0.089 R)
• M21: 26,004,149 km (0.096 R)
• M22: 26,479,721 km (0.091 R)
• M23: 29,661,817 km (0.069 R)
• M24: 33,874,643 km (0.085 R)
• M25: 34,556,360 km (0.119 R)
• M26: 35,947,172 km (0.095 R)
• M27: 36,419,003 km (0.107 R)
• M28: 37,859,332 km (0.078 R)
• M29: 45,911,587 km (0.095 R)
• M30: 46,746,791 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.6

Radius: 3.5

Gravity: 60.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.07 AU - 8.49 AU

Year: 15888 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 35,679,711 km

• M1: 43,533 km (0.096 R)
• M2: 186,997 km (0.093 R)
• M3: 473,776 km (0.055 R)
• M4: 645,066 km (0.041 R)
• M5: 774,917 km (0.085 R)
• M6: 1,002,755 km (0.081 R)
• M7: 1,574,817 km (0.117 R)
• M8: 2,015,831 km (0.102 R)
• M9: 2,624,994 km (0.107 R)
• M10: 3,188,679 km (0.111 R)
• M11: 3,918,267 km (0.097 R)
• M12: 4,101,375 km (0.112 R)
• M13: 4,418,972 km (0.096 R)
• M14: 4,787,132 km (0.069 R)
• M15: 5,321,645 km (0.057 R)
• M16: 5,546,191 km (0.095 R)
• M17: 7,765,027 km (0.094 R)
• M18: 7,908,491 km (0.091 R)
• M19: 9,552,273 km (0.116 R)
• M20: 10,746,662 km (0.081 R)
• M21: 12,885,762 km (0.117 R)
• M22: 14,555,723 km (0.101 R)
• M23: 15,669,779 km (0.11 R)
• M24: 22,100,393 km (0.114 R)
• M25: 23,869,387 km (0.058 R)
• M26: 24,173,221 km (0.119 R)
• M27: 24,788,367 km (0.116 R)
• M28: 25,624,769 km (0.088 R)
• M29: 26,914,303 km (0.096 R)
• M30: 29,738,561 km (0.074 R)
• M31: 32,754,155 km (0.04 R)
• M32: 33,003,983 km (0.11 R)
• M33: 35,177,790 km (0.074 R)
• M34: 37,173,724 km (0.045 R)
• M35: 37,581,678 km (0.045 R)
• M36: 40,378,410 km (0.112 R)
• M37: 46,539,150 km (0.118 R)
• M38: 55,392,202 km (0.088 R)
• M39: 59,745,650 km (0.072 R)
• M40: 66,295,194 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 6.3

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.69 AU - 11.13 AU

Year: 17736 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,679,711 km

• M1: 78,389 km (0.071 R)
• M2: 347,815 km (0.059 R)
• M3: 1,005,896 km (0.076 R)
• M4: 1,838,558 km (0.101 R)
• M5: 3,114,628 km (0.11 R)
• M6: 3,677,415 km (0.069 R)
• M7: 5,733,039 km (0.116 R)
• M8: 9,259,809 km (0.039 R)
• M9: 13,505,845 km (0.116 R)
• M10: 14,382,788 km (0.112 R)
• M11: 14,759,176 km (0.03 R)
• M12: 14,988,211 km (0.102 R)
• M13: 19,253,396 km (0.102 R)
• M14: 19,710,567 km (0.076 R)
• M15: 25,666,207 km (0.099 R)
• M16: 31,694,852 km (0.116 R)
• M17: 32,332,139 km (0.103 R)
• M18: 39,917,798 km (0.093 R)
• M19: 42,791,274 km (0.116 R)
• M20: 44,675,310 km (0.053 R)
• M21: 45,961,702 km (0.06 R)
• M22: 47,107,322 km (0.084 R)
• M23: 52,587,990 km (0.104 R)
• M24: 57,530,554 km (0.103 R)
• M25: 57,908,438 km (0.091 R)
• M26: 60,405,825 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.3

Radius: 6.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.61 AU - 10.73 AU

Year: 23242 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,679,711 km

• M1: 77,791 km (0.114 R)
• M2: 397,482 km (0.101 R)
• M3: 710,141 km (0.075 R)
• M4: 918,681 km (0.112 R)
• M5: 1,211,294 km (0.115 R)
• M6: 2,189,066 km (0.108 R)
• M7: 3,868,601 km (0.116 R)
• M8: 5,652,107 km (0.11 R)
• M9: 5,872,165 km (0.082 R)
• M10: 6,362,996 km (0.113 R)
• M11: 6,845,449 km (0.079 R)
• M12: 7,652,529 km (0.089 R)
• M13: 8,480,404 km (0.077 R)
• M14: 10,452,852 km (0.101 R)
• M15: 12,288,867 km (0.105 R)
• M16: 14,504,112 km (0.115 R)
• M17: 15,036,980 km (0.061 R)
• M18: 16,016,247 km (0.093 R)
• M19: 18,442,725 km (0.116 R)
• M20: 24,588,205 km (0.12 R)
• M21: 33,585,919 km (0.065 R)
• M22: 34,309,224 km (0.103 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: 261 - 12,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit