🌌 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: 902.2

Radius: 8.4

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.81 AU - 0.93 AU

Year: 541 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,526,651 km

• M1: 104,419 km (0.109 R)
• M2: 388,206 km (0.045 R)
• M3: 669,450 km (0.09 R)
• M4: 998,117 km (0.051 R)
• M5: 1,317,658 km (0.047 R)
• M6: 1,975,589 km (0.119 R)
• M7: 2,333,876 km (0.078 R)
• M8: 2,625,293 km (0.119 R)
• M9: 4,358,235 km (0.113 R)
• M10: 5,895,353 km (0.051 R)
• M11: 6,580,960 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 9.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.91 AU - 1.47 AU

Year: 866 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,526,651 km

• M1: 115,789 km (0.118 R)
• M2: 442,211 km (0.114 R)
• M3: 769,831 km (0.106 R)
• M4: 1,410,409 km (0.099 R)
• M5: 1,876,556 km (0.102 R)
• M6: 2,198,191 km (0.066 R)
• M7: 2,772,647 km (0.068 R)
• M8: 3,071,992 km (0.088 R)
• M9: 4,044,678 km (0.051 R)
• M10: 4,446,797 km (0.051 R)
• M11: 5,159,182 km (0.098 R)
• M12: 5,945,618 km (0.111 R)
• M13: 6,687,474 km (0.092 R)
• M14: 7,102,009 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 8

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.01 AU - 1.57 AU

Year: 977 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,526,651 km

• M1: 100,231 km (0.107 R)
• M2: 382,522 km (0.118 R)
• M3: 703,858 km (0.081 R)
• M4: 1,199,027 km (0.086 R)
• M5: 1,503,758 km (0.106 R)
• M6: 1,899,893 km (0.079 R)
• M7: 2,183,082 km (0.036 R)
• M8: 2,446,524 km (0.12 R)
• M9: 2,731,358 km (0.066 R)
• M10: 3,010,807 km (0.108 R)
• M11: 3,643,157 km (0.088 R)
• M12: 3,916,472 km (0.104 R)
• M13: 4,396,532 km (0.05 R)
• M14: 4,763,196 km (0.115 R)
• M15: 5,474,384 km (0.081 R)
• M16: 6,414,607 km (0.09 R)
• M17: 7,900,862 km (0.076 R)
• M18: 8,415,927 km (0.082 R)
• M19: 9,304,240 km (0.077 R)
• M20: 9,694,690 km (0.045 R)
• M21: 10,064,945 km (0.11 R)
• M22: 10,317,017 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 15

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.09 AU - 1.71 AU

Year: 1105 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,526,651 km

• M1: 186,997 km (0.107 R)
• M2: 759,209 km (0.058 R)
• M3: 1,385,127 km (0.062 R)
• M4: 1,902,735 km (0.092 R)
• M5: 2,876,767 km (0.12 R)
• M6: 3,418,910 km (0.109 R)
• M7: 4,163,309 km (0.112 R)
• M8: 5,827,435 km (0.067 R)
• M9: 6,311,235 km (0.106 R)
• M10: 7,014,644 km (0.063 R)
• M11: 7,795,994 km (0.091 R)
• M12: 8,775,411 km (0.105 R)
• M13: 9,989,547 km (0.102 R)
• M14: 10,979,736 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 12.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.73 AU - 2.23 AU

Year: 1858 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,526,651 km

• M1: 159,172 km (0.093 R)
• M2: 664,663 km (0.111 R)
• M3: 1,120,937 km (0.042 R)
• M4: 1,566,738 km (0.119 R)
• M5: 2,120,699 km (0.07 R)
• M6: 2,637,261 km (0.111 R)
• M7: 3,082,913 km (0.053 R)
• M8: 3,562,224 km (0.056 R)
• M9: 4,203,251 km (0.045 R)
• M10: 4,857,293 km (0.107 R)
• M11: 5,374,902 km (0.09 R)
• M12: 6,000,969 km (0.112 R)
• M13: 7,595,981 km (0.085 R)
• M14: 8,295,501 km (0.087 R)
• M15: 9,262,203 km (0.111 R)
• M16: 11,196,952 km (0.119 R)
• M17: 11,644,399 km (0.067 R)
• M18: 12,615,140 km (0.037 R)
• M19: 13,018,156 km (0.03 R)
• M20: 14,850,581 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.8

Radius: 14.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.47 AU - 4.67 AU

Year: 5475 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,526,651 km

• M1: 191,784 km (0.095 R)
• M2: 699,370 km (0.112 R)
• M3: 1,192,744 km (0.107 R)
• M4: 1,665,024 km (0.115 R)
• M5: 4,483,448 km (0.109 R)
• M6: 6,828,844 km (0.117 R)
• M7: 8,461,106 km (0.117 R)
• M8: 9,223,606 km (0.105 R)
• M9: 9,728,350 km (0.09 R)
• M10: 10,385,383 km (0.066 R)
• M11: 11,165,686 km (0.106 R)
• M12: 12,183,251 km (0.117 R)
• M13: 13,474,131 km (0.11 R)
• M14: 14,570,982 km (0.028 R)
• M15: 15,373,724 km (0.079 R)
• M16: 17,193,134 km (0.113 R)
• M17: 21,474,774 km (0.081 R)
• M18: 24,534,799 km (0.049 R)
• M19: 25,424,906 km (0.104 R)
• M20: 29,835,650 km (0.118 R)
• M21: 30,478,322 km (0.09 R)
• M22: 31,791,642 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 11.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.37 AU - 5.41 AU

Year: 7211 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,526,651 km

• M1: 140,622 km (0.096 R)
• M2: 718,818 km (0.07 R)
• M3: 1,127,818 km (0.105 R)
• M4: 1,918,593 km (0.104 R)
• M5: 2,394,015 km (0.078 R)
• M6: 3,653,479 km (0.1 R)
• M7: 5,677,239 km (0.077 R)
• M8: 7,128,339 km (0.071 R)
• M9: 7,498,743 km (0.115 R)
• M10: 8,440,312 km (0.073 R)
• M11: 9,906,969 km (0.12 R)
• M12: 10,368,928 km (0.089 R)
• M13: 11,040,024 km (0.043 R)
• M14: 12,048,613 km (0.103 R)
• M15: 13,062,587 km (0.088 R)
• M16: 14,132,660 km (0.098 R)
• M17: 15,382,401 km (0.047 R)
• M18: 16,899,174 km (0.098 R)
• M19: 19,645,192 km (0.046 R)
• M20: 21,275,959 km (0.064 R)
• M21: 22,517,322 km (0.087 R)
• M22: 23,479,685 km (0.082 R)
• M23: 25,144,111 km (0.101 R)
• M24: 26,179,927 km (0.103 R)
• M25: 26,531,332 km (0.081 R)
• M26: 27,153,958 km (0.084 R)
• M27: 32,390,632 km (0.107 R)
• M28: 36,596,726 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 6.3

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.31 AU - 8.83 AU

Year: 13889 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,526,651 km

• M1: 84,074 km (0.099 R)
• M2: 376,987 km (0.086 R)
• M3: 625,319 km (0.088 R)
• M4: 1,966,763 km (0.106 R)
• M5: 2,179,641 km (0.092 R)
• M6: 3,854,090 km (0.112 R)
• M7: 4,729,088 km (0.066 R)
• M8: 4,983,255 km (0.12 R)
• M9: 7,232,309 km (0.112 R)
• M10: 7,442,344 km (0.116 R)
• M11: 8,323,326 km (0.071 R)
• M12: 8,836,597 km (0.115 R)
• M13: 10,936,652 km (0.07 R)
• M14: 11,438,702 km (0.102 R)
• M15: 12,190,581 km (0.038 R)
• M16: 13,160,723 km (0.067 R)
• M17: 15,809,802 km (0.111 R)
• M18: 18,092,366 km (0.11 R)
• M19: 18,402,034 km (0.09 R)
• M20: 22,222,165 km (0.1 R)
• M21: 24,979,553 km (0.059 R)
• M22: 26,341,043 km (0.063 R)
• M23: 29,105,163 km (0.118 R)
• M24: 29,852,106 km (0.082 R)
• M25: 30,941,328 km (0.066 R)
• M26: 31,607,337 km (0.119 R)
• M27: 39,188,658 km (0.077 R)
• M28: 41,290,508 km (0.103 R)
• M29: 46,147,802 km (0.035 R)
• M30: 51,682,624 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.6

Radius: 3.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.24 AU - 8.42 AU

Year: 16032 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,526,651 km

• M1: 47,273 km (0.057 R)
• M2: 450,589 km (0.062 R)
• M3: 1,054,665 km (0.063 R)
• M4: 1,209,200 km (0.099 R)
• M5: 1,512,883 km (0.073 R)
• M6: 2,014,934 km (0.07 R)
• M7: 2,583,555 km (0.113 R)
• M8: 2,885,294 km (0.083 R)
• M9: 4,254,563 km (0.083 R)
• M10: 4,979,664 km (0.101 R)
• M11: 6,037,770 km (0.062 R)
• M12: 6,950,018 km (0.098 R)
• M13: 9,385,621 km (0.083 R)
• M14: 10,187,017 km (0.089 R)
• M15: 11,129,633 km (0.09 R)
• M16: 12,703,253 km (0.087 R)
• M17: 14,019,116 km (0.053 R)
• M18: 14,593,272 km (0.096 R)
• M19: 18,100,894 km (0.099 R)
• M20: 18,303,299 km (0.072 R)
• M21: 19,127,733 km (0.052 R)
• M22: 20,120,614 km (0.091 R)
• M23: 20,265,126 km (0.084 R)
• M24: 22,595,861 km (0.096 R)
• M25: 25,944,310 km (0.118 R)
• M26: 28,776,796 km (0.057 R)
• M27: 29,329,859 km (0.09 R)
• M28: 30,457,229 km (0.039 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 13,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit