🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 9.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 12.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,983,382 km

• M1: 116,836 km (0.072 R)
• M2: 443,857 km (0.075 R)
• M3: 786,436 km (0.12 R)
• M4: 1,188,256 km (0.109 R)
• M5: 1,668,166 km (0.102 R)
• M6: 2,150,469 km (0.036 R)
• M7: 2,584,453 km (0.089 R)
• M8: 2,914,765 km (0.098 R)
• M9: 3,468,875 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.65 AU - 0.79 AU

Year: 422 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,983,382 km

• M1: 175,329 km (0.067 R)
• M2: 652,247 km (0.108 R)
• M3: 1,104,182 km (0.069 R)
• M4: 1,639,892 km (0.081 R)
• M5: 2,295,131 km (0.054 R)
• M6: 2,756,939 km (0.097 R)
• M7: 3,386,896 km (0.051 R)
• M8: 4,207,739 km (0.117 R)
• M9: 4,846,373 km (0.054 R)
• M10: 5,683,971 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 10.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 9.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,983,382 km

• M1: 131,796 km (0.1 R)
• M2: 481,406 km (0.067 R)
• M3: 1,258,866 km (0.09 R)
• M4: 2,041,712 km (0.096 R)
• M5: 2,433,808 km (0.091 R)
• M6: 2,767,710 km (0.069 R)
• M7: 3,122,108 km (0.117 R)
• M8: 3,518,093 km (0.079 R)
• M9: 4,227,337 km (0.062 R)
• M10: 4,588,765 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 8.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.79 AU - 1.03 AU

Year: 599 Days

Day: 10.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,983,382 km

• M1: 108,309 km (0.119 R)
• M2: 423,661 km (0.071 R)
• M3: 695,780 km (0.037 R)
• M4: 1,068,877 km (0.12 R)
• M5: 1,544,897 km (0.042 R)
• M6: 1,865,037 km (0.051 R)
• M7: 2,313,681 km (0.103 R)
• M8: 2,767,860 km (0.104 R)
• M9: 3,695,666 km (0.109 R)
• M10: 3,964,044 km (0.103 R)
• M11: 4,754,669 km (0.105 R)
• M12: 5,320,897 km (0.106 R)
• M13: 6,319,463 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 13.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.33 AU - 2.01 AU

Year: 1490 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,983,382 km

• M1: 166,652 km (0.066 R)
• M2: 689,497 km (0.102 R)
• M3: 1,125,574 km (0.078 R)
• M4: 1,808,937 km (0.066 R)
• M5: 2,379,354 km (0.095 R)
• M6: 4,418,672 km (0.103 R)
• M7: 5,565,938 km (0.085 R)
• M8: 6,785,909 km (0.071 R)
• M9: 8,390,346 km (0.118 R)
• M10: 9,195,482 km (0.11 R)
• M11: 10,296,821 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.4

Radius: 10.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.82 AU - 3.26 AU

Year: 3659 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,983,382 km

• M1: 134,488 km (0.032 R)
• M2: 590,313 km (0.103 R)
• M3: 1,413,101 km (0.113 R)
• M4: 1,818,661 km (0.085 R)
• M5: 2,603,302 km (0.1 R)
• M6: 3,025,617 km (0.1 R)
• M7: 3,582,271 km (0.084 R)
• M8: 4,491,975 km (0.045 R)
• M9: 4,945,257 km (0.053 R)
• M10: 5,995,135 km (0.072 R)
• M11: 6,736,841 km (0.103 R)
• M12: 7,361,711 km (0.028 R)
• M13: 8,086,962 km (0.112 R)
• M14: 8,563,880 km (0.116 R)
• M15: 9,539,557 km (0.082 R)
• M16: 10,364,739 km (0.113 R)
• M17: 11,120,358 km (0.091 R)
• M18: 12,572,654 km (0.109 R)
• M19: 14,654,009 km (0.053 R)
• M20: 15,412,321 km (0.106 R)
• M21: 15,801,125 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 8.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.03 AU - 3.75 AU

Year: 4308 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,983,382 km

• M1: 104,569 km (0.036 R)
• M2: 456,124 km (0.052 R)
• M3: 774,468 km (0.045 R)
• M4: 1,049,878 km (0.028 R)
• M5: 1,821,055 km (0.083 R)
• M6: 2,467,018 km (0.112 R)
• M7: 3,138,115 km (0.104 R)
• M8: 4,553,161 km (0.089 R)
• M9: 5,444,315 km (0.081 R)
• M10: 5,916,147 km (0.11 R)
• M11: 6,351,178 km (0.114 R)
• M12: 7,180,997 km (0.041 R)
• M13: 8,854,100 km (0.063 R)
• M14: 9,465,356 km (0.082 R)
• M15: 9,845,335 km (0.059 R)
• M16: 10,456,891 km (0.064 R)
• M17: 11,186,330 km (0.057 R)
• M18: 11,707,230 km (0.111 R)
• M19: 12,145,402 km (0.071 R)
• M20: 14,391,465 km (0.072 R)
• M21: 14,950,961 km (0.111 R)
• M22: 16,778,000 km (0.089 R)
• M23: 19,014,189 km (0.078 R)
• M24: 20,238,198 km (0.104 R)
• M25: 21,225,993 km (0.112 R)
• M26: 22,767,300 km (0.068 R)
• M27: 23,145,035 km (0.07 R)
• M28: 27,071,231 km (0.115 R)
• M29: 29,771,921 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.9

Radius: 3.9

Gravity: 60.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.32 AU - 7.96 AU

Year: 11810 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,983,382 km

• M1: 48,769 km (0.105 R)
• M2: 207,492 km (0.104 R)
• M3: 334,202 km (0.105 R)
• M4: 507,885 km (0.051 R)
• M5: 696,079 km (0.071 R)
• M6: 1,149,959 km (0.085 R)
• M7: 1,662,631 km (0.071 R)
• M8: 3,296,239 km (0.073 R)
• M9: 4,187,843 km (0.12 R)
• M10: 6,391,868 km (0.105 R)
• M11: 9,472,388 km (0.083 R)
• M12: 12,390,892 km (0.033 R)
• M13: 14,154,651 km (0.105 R)
• M14: 24,621,117 km (0.074 R)
• M15: 25,622,525 km (0.094 R)
• M16: 28,899,317 km (0.073 R)
• M17: 31,620,053 km (0.06 R)
• M18: 33,283,581 km (0.107 R)
• M19: 36,269,256 km (0.113 R)
• M20: 40,109,134 km (0.026 R)
• M21: 40,246,166 km (0.097 R)
• M22: 42,481,457 km (0.104 R)
• M23: 43,052,921 km (0.109 R)
• M24: 44,650,925 km (0.06 R)
• M25: 45,837,536 km (0.063 R)
• M26: 49,209,172 km (0.069 R)
• M27: 52,742,225 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.6

Radius: 4.5

Gravity: 22.99 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.39 AU - 10.41 AU

Year: 16805 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 26,983,382 km

• M1: 57,894 km (0.073 R)
• M2: 277,654 km (0.119 R)
• M3: 445,203 km (0.043 R)
• M4: 733,927 km (0.119 R)
• M5: 2,253,542 km (0.062 R)
• M6: 2,629,631 km (0.099 R)
• M7: 2,902,647 km (0.098 R)
• M8: 3,169,380 km (0.04 R)
• M9: 3,668,439 km (0.084 R)
• M10: 4,127,854 km (0.064 R)
• M11: 6,001,268 km (0.055 R)
• M12: 6,887,636 km (0.1 R)
• M13: 9,016,862 km (0.099 R)
• M14: 9,957,683 km (0.093 R)
• M15: 10,847,192 km (0.077 R)
• M16: 11,909,786 km (0.077 R)
• M17: 12,846,867 km (0.084 R)
• M18: 13,498,216 km (0.031 R)
• M19: 13,697,779 km (0.119 R)
• M20: 14,308,588 km (0.106 R)
• M21: 15,008,257 km (0.097 R)
• M22: 15,366,544 km (0.035 R)
• M23: 16,324,718 km (0.079 R)
• M24: 16,703,649 km (0.054 R)
• M25: 18,116,302 km (0.069 R)
• M26: 18,851,725 km (0.117 R)
• M27: 24,664,650 km (0.117 R)
• M28: 29,065,669 km (0.109 R)
• M29: 31,101,996 km (0.112 R)
• M30: 32,036,833 km (0.09 R)
• M31: 33,110,796 km (0.083 R)
• M32: 35,709,461 km (0.093 R)
• M33: 38,307,826 km (0.115 R)
• M34: 39,111,167 km (0.104 R)
• M35: 57,802,373 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.2

Radius: 6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.93 AU - 11.01 AU

Year: 20116 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,983,382 km

• M1: 75,397 km (0.077 R)
• M2: 1,160,431 km (0.095 R)
• M3: 1,598,304 km (0.102 R)
• M4: 9,264,895 km (0.104 R)
• M5: 20,019,935 km (0.1 R)
• M6: 21,999,414 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit