🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 12.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.8 AU - 0.94 AU

Year: 550 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,843,251 km

• M1: 150,495 km (0.106 R)
• M2: 583,581 km (0.107 R)
• M3: 1,072,318 km (0.115 R)
• M4: 1,788,293 km (0.11 R)
• M5: 2,173,208 km (0.099 R)
• M6: 2,738,838 km (0.074 R)
• M7: 3,161,452 km (0.082 R)
• M8: 3,744,734 km (0.101 R)
• M9: 4,267,878 km (0.102 R)
• M10: 5,309,827 km (0.07 R)
• M11: 6,610,730 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 11.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.15 AU - 1.67 AU

Year: 1136 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,843,251 km

• M1: 139,425 km (0.104 R)
• M2: 543,938 km (0.108 R)
• M3: 912,098 km (0.115 R)
• M4: 1,468,901 km (0.096 R)
• M5: 2,009,847 km (0.096 R)
• M6: 2,497,387 km (0.088 R)
• M7: 4,250,524 km (0.034 R)
• M8: 4,659,375 km (0.048 R)
• M9: 5,685,467 km (0.062 R)
• M10: 7,112,930 km (0.081 R)
• M11: 7,645,648 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 12.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.26 AU - 2.28 AU

Year: 2320 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,843,251 km

• M1: 151,692 km (0.083 R)
• M2: 545,434 km (0.089 R)
• M3: 929,152 km (0.091 R)
• M4: 1,318,406 km (0.071 R)
• M5: 1,865,336 km (0.116 R)
• M6: 2,271,644 km (0.108 R)
• M7: 2,752,601 km (0.046 R)
• M8: 3,750,718 km (0.116 R)
• M9: 4,533,863 km (0.08 R)
• M10: 5,137,789 km (0.063 R)
• M11: 5,619,195 km (0.082 R)
• M12: 6,078,161 km (0.089 R)
• M13: 7,013,747 km (0.117 R)
• M14: 8,462,153 km (0.115 R)
• M15: 9,066,678 km (0.109 R)
• M16: 9,485,702 km (0.049 R)
• M17: 10,101,297 km (0.115 R)
• M18: 10,743,371 km (0.109 R)
• M19: 11,292,545 km (0.079 R)
• M20: 12,532,262 km (0.082 R)
• M21: 14,044,846 km (0.093 R)
• M22: 14,893,366 km (0.089 R)
• M23: 15,527,212 km (0.109 R)
• M24: 16,077,433 km (0.115 R)
• M25: 17,376,541 km (0.074 R)
• M26: 17,915,243 km (0.118 R)
• M27: 18,800,563 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 14.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.13 AU - 2.47 AU

Year: 2366 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,843,251 km

• M1: 177,872 km (0.1 R)
• M2: 758,461 km (0.071 R)
• M3: 1,388,268 km (0.118 R)
• M4: 2,499,182 km (0.067 R)
• M5: 2,982,234 km (0.072 R)
• M6: 3,825,666 km (0.05 R)
• M7: 4,367,061 km (0.077 R)
• M8: 4,936,580 km (0.057 R)
• M9: 5,858,402 km (0.043 R)
• M10: 7,453,116 km (0.056 R)
• M11: 9,321,443 km (0.078 R)
• M12: 10,690,862 km (0.105 R)
• M13: 14,105,134 km (0.117 R)
• M14: 14,817,968 km (0.092 R)
• M15: 17,369,210 km (0.106 R)
• M16: 18,919,344 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.3

Radius: 8.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.73 AU - 3.07 AU

Year: 3350 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,843,251 km

• M1: 109,506 km (0.064 R)
• M2: 486,193 km (0.114 R)
• M3: 864,975 km (0.105 R)
• M4: 1,486,704 km (0.083 R)
• M5: 1,804,300 km (0.115 R)
• M6: 2,478,089 km (0.071 R)
• M7: 2,849,839 km (0.12 R)
• M8: 3,258,690 km (0.092 R)
• M9: 3,915,874 km (0.079 R)
• M10: 4,255,611 km (0.107 R)
• M11: 4,615,094 km (0.085 R)
• M12: 5,298,906 km (0.117 R)
• M13: 5,867,677 km (0.04 R)
• M14: 7,574,140 km (0.079 R)
• M15: 7,882,611 km (0.075 R)
• M16: 9,132,052 km (0.12 R)
• M17: 9,767,843 km (0.086 R)
• M18: 10,432,806 km (0.108 R)
• M19: 11,853,088 km (0.048 R)
• M20: 12,481,399 km (0.054 R)
• M21: 15,660,653 km (0.097 R)
• M22: 17,731,686 km (0.093 R)
• M23: 18,111,964 km (0.1 R)

Asteroid Belt

Center: 3.35 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 8.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.67 AU - 3.91 AU

Year: 5004 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,843,251 km

• M1: 103,223 km (0.098 R)
• M2: 393,891 km (0.085 R)
• M3: 657,034 km (0.101 R)
• M4: 1,122,433 km (0.096 R)
• M5: 1,489,546 km (0.056 R)
• M6: 2,256,085 km (0.097 R)
• M7: 3,169,081 km (0.039 R)
• M8: 3,476,206 km (0.061 R)
• M9: 3,803,227 km (0.102 R)
• M10: 5,242,957 km (0.088 R)
• M11: 5,646,422 km (0.072 R)
• M12: 6,335,171 km (0.114 R)
• M13: 6,607,439 km (0.114 R)
• M14: 7,143,149 km (0.076 R)
• M15: 7,707,581 km (0.06 R)
• M16: 10,390,769 km (0.055 R)
• M17: 11,827,507 km (0.07 R)
• M18: 13,491,185 km (0.045 R)
• M19: 14,249,796 km (0.069 R)
• M20: 14,665,977 km (0.041 R)
• M21: 15,251,204 km (0.051 R)
• M22: 16,811,510 km (0.107 R)
• M23: 20,905,106 km (0.117 R)
• M24: 21,239,906 km (0.073 R)
• M25: 22,405,123 km (0.06 R)
• M26: 24,342,416 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 8

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.43 AU - 5.45 AU

Year: 6345 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,843,251 km

• M1: 99,483 km (0.119 R)
• M2: 423,063 km (0.092 R)
• M3: 680,820 km (0.115 R)
• M4: 936,034 km (0.054 R)
• M5: 1,571,077 km (0.072 R)
• M6: 2,257,432 km (0.096 R)
• M7: 2,631,277 km (0.092 R)
• M8: 3,412,776 km (0.073 R)
• M9: 3,713,169 km (0.112 R)
• M10: 4,638,282 km (0.072 R)
• M11: 5,489,195 km (0.036 R)
• M12: 5,773,281 km (0.106 R)
• M13: 6,649,925 km (0.063 R)
• M14: 7,807,962 km (0.102 R)
• M15: 8,497,159 km (0.06 R)
• M16: 9,720,122 km (0.118 R)
• M17: 11,977,404 km (0.047 R)
• M18: 13,971,693 km (0.091 R)
• M19: 18,605,786 km (0.048 R)
• M20: 19,980,441 km (0.077 R)
• M21: 24,680,058 km (0.064 R)
• M22: 25,195,722 km (0.069 R)
• M23: 26,876,155 km (0.067 R)
• M24: 27,605,445 km (0.112 R)
• M25: 27,975,101 km (0.119 R)
• M26: 29,969,989 km (0.043 R)
• M27: 32,466,328 km (0.07 R)
• M28: 35,206,064 km (0.106 R)
• M29: 36,966,681 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.3

Radius: 4.9

Gravity: 31.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.36 AU - 11.72 AU

Year: 23209 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,843,251 km

• M1: 120,127 km (0.03 R)
• M2: 314,754 km (0.082 R)
• M3: 502,499 km (0.086 R)
• M4: 684,859 km (0.067 R)
• M5: 1,158,636 km (0.025 R)
• M6: 1,945,670 km (0.097 R)
• M7: 2,499,032 km (0.102 R)
• M8: 3,593,640 km (0.081 R)
• M9: 4,564,530 km (0.12 R)
• M10: 5,169,354 km (0.067 R)
• M11: 7,155,117 km (0.099 R)
• M12: 7,353,035 km (0.111 R)
• M13: 9,538,959 km (0.028 R)
• M14: 10,333,473 km (0.11 R)
• M15: 11,039,425 km (0.1 R)
• M16: 11,437,804 km (0.074 R)
• M17: 13,878,494 km (0.088 R)
• M18: 14,657,450 km (0.108 R)
• M19: 18,712,300 km (0.099 R)
• M20: 19,373,971 km (0.114 R)
• M21: 20,148,888 km (0.044 R)
• M22: 21,760,656 km (0.092 R)
• M23: 22,176,538 km (0.092 R)
• M24: 24,559,632 km (0.056 R)
• M25: 33,959,614 km (0.117 R)
• M26: 53,733,162 km (0.049 R)
• M27: 57,602,361 km (0.056 R)
• M28: 59,604,728 km (0.074 R)
• M29: 61,239,833 km (0.072 R)
• M30: 62,485,535 km (0.1 R)
• M31: 66,759,695 km (0.085 R)
• M32: 68,300,553 km (0.098 R)
• M33: 68,522,557 km (0.057 R)
• M34: 75,173,080 km (0.062 R)
• M35: 76,600,692 km (0.056 R)
• M36: 81,739,828 km (0.058 R)
• M37: 82,240,831 km (0.059 R)
• M38: 82,743,929 km (0.087 R)
• M39: 83,249,121 km (0.104 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: 186 - 16,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit