🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 14.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.97 AU - 1.35 AU

Year: 833 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,653,816 km

• M1: 184,155 km (0.118 R)
• M2: 647,759 km (0.069 R)
• M3: 1,123,031 km (0.1 R)
• M4: 1,713,045 km (0.037 R)
• M5: 2,343,002 km (0.09 R)
• M6: 2,867,791 km (0.051 R)
• M7: 3,715,862 km (0.107 R)
• M8: 5,106,523 km (0.067 R)
• M9: 5,606,928 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 9.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.25 AU - 1.49 AU

Year: 1069 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,653,816 km

• M1: 117,584 km (0.043 R)
• M2: 589,565 km (0.083 R)
• M3: 922,271 km (0.087 R)
• M4: 1,348,625 km (0.114 R)
• M5: 2,046,050 km (0.104 R)
• M6: 2,669,424 km (0.098 R)
• M7: 3,014,098 km (0.119 R)
• M8: 3,427,586 km (0.112 R)
• M9: 3,921,559 km (0.083 R)
• M10: 4,653,391 km (0.084 R)
• M11: 5,823,696 km (0.067 R)
• M12: 6,671,616 km (0.095 R)
• M13: 6,986,221 km (0.115 R)
• M14: 7,332,540 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 9.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.54 AU - 2.22 AU

Year: 1719 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,653,816 km

• M1: 118,033 km (0.088 R)
• M2: 1,026,092 km (0.105 R)
• M3: 1,359,097 km (0.076 R)
• M4: 1,704,369 km (0.076 R)
• M5: 2,232,449 km (0.114 R)
• M6: 2,986,721 km (0.105 R)
• M7: 3,731,120 km (0.116 R)
• M8: 4,091,801 km (0.08 R)
• M9: 4,475,669 km (0.059 R)
• M10: 4,852,656 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.7

Radius: 11

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.02 AU - 2.86 AU

Year: 2542 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,653,816 km

• M1: 136,882 km (0.112 R)
• M2: 590,014 km (0.113 R)
• M3: 938,427 km (0.079 R)
• M4: 1,392,008 km (0.085 R)
• M5: 1,785,301 km (0.088 R)
• M6: 2,226,016 km (0.084 R)
• M7: 2,915,812 km (0.047 R)
• M8: 3,420,555 km (0.115 R)
• M9: 3,942,203 km (0.044 R)
• M10: 4,538,650 km (0.107 R)
• M11: 5,494,281 km (0.032 R)
• M12: 5,885,479 km (0.026 R)
• M13: 7,736,753 km (0.063 R)
• M14: 10,610,528 km (0.067 R)
• M15: 11,054,684 km (0.118 R)
• M16: 16,100,172 km (0.12 R)
• M17: 16,633,488 km (0.089 R)
• M18: 18,361,792 km (0.081 R)
• M19: 19,719,243 km (0.118 R)
• M20: 20,827,464 km (0.068 R)
• M21: 21,205,947 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 6.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.09 AU - 6.65 AU

Year: 9484 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,653,816 km

• M1: 144,362 km (0.104 R)
• M2: 533,765 km (0.102 R)
• M3: 1,205,609 km (0.111 R)
• M4: 2,758,136 km (0.072 R)
• M5: 4,234,069 km (0.102 R)
• M6: 4,653,541 km (0.097 R)
• M7: 5,320,448 km (0.11 R)
• M8: 6,776,335 km (0.041 R)
• M9: 9,307,232 km (0.092 R)
• M10: 10,015,877 km (0.085 R)
• M11: 11,122,452 km (0.056 R)
• M12: 11,776,644 km (0.116 R)
• M13: 14,214,640 km (0.083 R)
• M14: 14,984,620 km (0.063 R)
• M15: 18,472,495 km (0.036 R)
• M16: 19,589,093 km (0.119 R)
• M17: 21,955,881 km (0.051 R)
• M18: 23,509,305 km (0.082 R)
• M19: 24,351,541 km (0.089 R)
• M20: 25,612,352 km (0.096 R)
• M21: 25,934,287 km (0.048 R)
• M22: 26,177,383 km (0.063 R)
• M23: 27,922,443 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.8

Radius: 5.2

Gravity: 33.54 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.95 AU - 7.59 AU

Year: 10470 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 31,653,816 km

• M1: 65,374 km (0.115 R)
• M2: 299,345 km (0.068 R)
• M3: 707,149 km (0.099 R)
• M4: 942,467 km (0.036 R)
• M5: 1,241,812 km (0.087 R)
• M6: 2,084,198 km (0.079 R)
• M7: 2,551,541 km (0.1 R)
• M8: 3,206,182 km (0.114 R)
• M9: 3,994,862 km (0.069 R)
• M10: 4,650,399 km (0.079 R)
• M11: 5,549,483 km (0.094 R)
• M12: 5,800,508 km (0.112 R)
• M13: 6,096,412 km (0.096 R)
• M14: 6,286,551 km (0.119 R)
• M15: 7,511,309 km (0.119 R)
• M16: 8,887,161 km (0.117 R)
• M17: 9,481,663 km (0.11 R)
• M18: 10,476,788 km (0.077 R)
• M19: 11,310,048 km (0.106 R)
• M20: 15,018,579 km (0.116 R)
• M21: 16,220,897 km (0.053 R)
• M22: 17,258,059 km (0.094 R)
• M23: 17,486,046 km (0.105 R)
• M24: 22,206,906 km (0.063 R)
• M25: 22,839,556 km (0.1 R)
• M26: 23,022,364 km (0.048 R)
• M27: 26,788,042 km (0.113 R)
• M28: 32,651,082 km (0.081 R)
• M29: 33,233,765 km (0.106 R)
• M30: 34,660,181 km (0.086 R)
• M31: 42,962,414 km (0.119 R)
• M32: 46,096,639 km (0.108 R)
• M33: 48,469,561 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.8

Radius: 5.2

Gravity: 20.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.21 AU - 8.35 AU

Year: 14471 Days

Day: 19.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 157.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 31,653,816 km

• M1: 64,776 km (0.081 R)
• M2: 259,852 km (0.116 R)
• M3: 465,848 km (0.118 R)
• M4: 651,948 km (0.07 R)
• M5: 1,218,026 km (0.087 R)
• M6: 1,505,104 km (0.078 R)
• M7: 1,836,314 km (0.036 R)
• M8: 2,101,700 km (0.117 R)
• M9: 2,332,081 km (0.088 R)
• M10: 3,029,955 km (0.087 R)
• M11: 3,249,266 km (0.106 R)
• M12: 4,827,673 km (0.117 R)
• M13: 5,727,205 km (0.06 R)
• M14: 8,744,594 km (0.054 R)
• M15: 9,240,511 km (0.096 R)
• M16: 10,728,561 km (0.093 R)
• M17: 15,559,525 km (0.118 R)
• M18: 15,920,505 km (0.101 R)
• M19: 16,658,920 km (0.047 R)
• M20: 17,966,405 km (0.049 R)
• M21: 19,423,788 km (0.104 R)
• M22: 21,309,768 km (0.091 R)
• M23: 23,977,846 km (0.088 R)
• M24: 25,942,365 km (0.076 R)
• M25: 26,963,819 km (0.074 R)
• M26: 32,009,008 km (0.092 R)
• M27: 32,241,632 km (0.08 R)
• M28: 33,302,281 km (0.104 R)
• M29: 43,772,786 km (0.113 R)
• M30: 45,952,876 km (0.057 R)
• M31: 51,001,953 km (0.102 R)
• M32: 52,118,552 km (0.077 R)
• M33: 55,565,736 km (0.108 R)
• M34: 56,070,329 km (0.104 R)
• M35: 56,577,915 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.6

Radius: 5.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.33 AU - 10.11 AU

Year: 18669 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,653,816 km

• M1: 74,350 km (0.043 R)
• M2: 253,868 km (0.068 R)
• M3: 2,278,525 km (0.096 R)
• M4: 10,132,713 km (0.071 R)
• M5: 13,129,457 km (0.119 R)
• M6: 14,154,352 km (0.115 R)
• M7: 21,011,619 km (0.08 R)
• M8: 25,886,565 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 14,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit