🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 13.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,875,414 km

• M1: 259,702 km (0.115 R)
• M2: 658,081 km (0.113 R)
• M3: 1,105,678 km (0.108 R)
• M4: 1,491,042 km (0.082 R)
• M5: 2,358,261 km (0.111 R)
• M6: 3,131,083 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 8.1

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 414 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,875,414 km

• M1: 101,727 km (0.095 R)
• M2: 286,181 km (0.09 R)
• M3: 558,748 km (0.112 R)
• M4: 1,225,955 km (0.102 R)
• M5: 1,393,504 km (0.102 R)
• M6: 1,834,369 km (0.064 R)
• M7: 2,054,876 km (0.081 R)
• M8: 2,391,621 km (0.11 R)
• M9: 2,683,487 km (0.049 R)
• M10: 2,884,995 km (0.099 R)
• M11: 4,006,381 km (0.116 R)
• M12: 4,334,000 km (0.07 R)
• M13: 5,094,555 km (0.119 R)
• M14: 5,729,449 km (0.078 R)
• M15: 5,977,333 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.1

Radius: 11.9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.95 AU

Year: 458 Days

Day: 9 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,875,414 km

• M1: 147,952 km (0.119 R)
• M2: 382,522 km (0.088 R)
• M3: 629,508 km (0.087 R)
• M4: 1,016,966 km (0.115 R)
• M5: 1,275,023 km (0.036 R)
• M6: 1,548,338 km (0.096 R)
• M7: 1,864,588 km (0.115 R)
• M8: 2,117,558 km (0.101 R)
• M9: 2,529,700 km (0.06 R)
• M10: 3,929,487 km (0.041 R)
• M11: 4,269,074 km (0.104 R)
• M12: 4,525,336 km (0.038 R)
• M13: 4,856,396 km (0.098 R)
• M14: 5,494,730 km (0.094 R)
• M15: 5,847,631 km (0.101 R)
• M16: 6,495,689 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 13.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.79 AU - 0.95 AU

Year: 550 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,875,414 km

• M1: 170,542 km (0.105 R)
• M2: 469,289 km (0.077 R)
• M3: 785,987 km (0.056 R)
• M4: 1,134,251 km (0.074 R)
• M5: 1,637,498 km (0.088 R)
• M6: 1,997,281 km (0.113 R)
• M7: 2,293,036 km (0.048 R)
• M8: 2,817,526 km (0.085 R)
• M9: 3,274,997 km (0.062 R)
• M10: 3,667,093 km (0.068 R)
• M11: 4,082,526 km (0.071 R)
• M12: 4,465,197 km (0.081 R)
• M13: 4,936,131 km (0.117 R)
• M14: 5,369,965 km (0.119 R)
• M15: 5,848,230 km (0.103 R)
• M16: 6,227,311 km (0.114 R)
• M17: 6,701,237 km (0.07 R)
• M18: 7,008,211 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.6

Radius: 14.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.2 AU - 2.42 AU

Year: 2381 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 143.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,875,414 km

• M1: 185,801 km (0.106 R)
• M2: 566,527 km (0.107 R)
• M3: 1,230,891 km (0.1 R)
• M4: 1,989,801 km (0.076 R)
• M5: 2,481,081 km (0.094 R)
• M6: 4,308,867 km (0.095 R)
• M7: 5,086,776 km (0.112 R)
• M8: 6,706,921 km (0.045 R)
• M9: 8,121,818 km (0.065 R)
• M10: 8,646,458 km (0.113 R)
• M11: 9,233,929 km (0.047 R)
• M12: 9,959,927 km (0.098 R)
• M13: 10,590,482 km (0.096 R)
• M14: 11,013,395 km (0.039 R)
• M15: 13,254,371 km (0.088 R)
• M16: 13,531,875 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 10.6

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.98 AU - 4 AU

Year: 5406 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,875,414 km

• M1: 152,291 km (0.035 R)
• M2: 458,966 km (0.046 R)
• M3: 677,678 km (0.084 R)
• M4: 973,882 km (0.086 R)
• M5: 1,333,815 km (0.084 R)
• M6: 1,667,867 km (0.042 R)
• M7: 1,961,378 km (0.105 R)
• M8: 2,625,143 km (0.058 R)
• M9: 3,056,284 km (0.115 R)
• M10: 3,699,555 km (0.084 R)
• M11: 5,124,625 km (0.1 R)
• M12: 5,898,046 km (0.086 R)
• M13: 6,819,269 km (0.081 R)
• M14: 7,194,162 km (0.085 R)
• M15: 8,483,396 km (0.096 R)
• M16: 9,402,825 km (0.066 R)
• M17: 10,408,272 km (0.11 R)
• M18: 11,546,113 km (0.107 R)
• M19: 12,365,461 km (0.09 R)
• M20: 14,089,576 km (0.108 R)
• M21: 14,629,026 km (0.111 R)
• M22: 15,224,874 km (0.115 R)
• M23: 18,486,108 km (0.099 R)
• M24: 18,742,369 km (0.093 R)
• M25: 20,049,855 km (0.08 R)
• M26: 22,233,984 km (0.118 R)
• M27: 23,830,642 km (0.092 R)
• M28: 24,179,953 km (0.105 R)
• M29: 26,635,602 km (0.073 R)
• M30: 26,881,690 km (0.118 R)
• M31: 28,826,462 km (0.109 R)
• M32: 29,210,779 km (0.087 R)
• M33: 29,921,968 km (0.106 R)
• M34: 30,313,465 km (0.112 R)
• M35: 32,039,675 km (0.063 R)
• M36: 34,299,800 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 11.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.86 AU - 6.06 AU

Year: 7492 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,875,414 km

• M1: 210,783 km (0.092 R)
• M2: 563,535 km (0.093 R)
• M3: 1,186,910 km (0.099 R)
• M4: 1,438,533 km (0.1 R)
• M5: 2,038,869 km (0.05 R)
• M6: 2,338,364 km (0.107 R)
• M7: 2,641,300 km (0.056 R)
• M8: 3,645,700 km (0.115 R)
• M9: 4,282,089 km (0.094 R)
• M10: 4,945,855 km (0.093 R)
• M11: 5,631,761 km (0.109 R)
• M12: 8,425,651 km (0.11 R)
• M13: 9,531,778 km (0.085 R)
• M14: 10,631,472 km (0.082 R)
• M15: 11,515,894 km (0.105 R)
• M16: 11,991,466 km (0.112 R)
• M17: 13,181,218 km (0.117 R)
• M18: 14,737,036 km (0.102 R)
• M19: 15,411,273 km (0.085 R)
• M20: 15,915,418 km (0.081 R)
• M21: 17,915,243 km (0.095 R)
• M22: 19,416,756 km (0.105 R)
• M23: 22,602,593 km (0.046 R)
• M24: 25,326,471 km (0.097 R)
• M25: 26,806,891 km (0.101 R)
• M26: 27,047,594 km (0.081 R)
• M27: 27,593,327 km (0.106 R)
• M28: 27,960,291 km (0.107 R)
• M29: 31,566,946 km (0.112 R)
• M30: 31,893,817 km (0.04 R)
• M31: 33,151,187 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.7

Radius: 5.3

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.02 AU - 7.64 AU

Year: 12107 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 56,875,414 km

• M1: 86,468 km (0.082 R)
• M2: 221,854 km (0.1 R)
• M3: 735,872 km (0.102 R)
• M4: 950,694 km (0.108 R)
• M5: 1,662,780 km (0.057 R)
• M6: 1,888,075 km (0.08 R)
• M7: 3,185,687 km (0.101 R)
• M8: 3,339,772 km (0.098 R)
• M9: 4,021,640 km (0.093 R)
• M10: 4,767,834 km (0.094 R)
• M11: 5,246,547 km (0.087 R)
• M12: 6,131,119 km (0.111 R)
• M13: 6,309,290 km (0.072 R)
• M14: 6,417,449 km (0.12 R)
• M15: 7,667,788 km (0.061 R)
• M16: 8,480,254 km (0.096 R)
• M17: 9,246,794 km (0.101 R)
• M18: 9,377,842 km (0.101 R)
• M19: 11,746,724 km (0.116 R)
• M20: 12,393,436 km (0.095 R)
• M21: 17,170,245 km (0.079 R)
• M22: 17,289,176 km (0.107 R)
• M23: 17,950,996 km (0.06 R)
• M24: 18,133,655 km (0.111 R)
• M25: 18,378,547 km (0.106 R)
• M26: 19,755,446 km (0.108 R)
• M27: 21,847,423 km (0.119 R)
• M28: 22,386,873 km (0.097 R)
• M29: 23,416,106 km (0.108 R)
• M30: 24,326,858 km (0.036 R)
• M31: 24,967,585 km (0.092 R)
• M32: 25,907,958 km (0.063 R)
• M33: 27,163,832 km (0.076 R)
• M34: 27,840,762 km (0.111 R)
• M35: 28,987,579 km (0.094 R)
• M36: 31,110,373 km (0.097 R)
• M37: 36,963,689 km (0.104 R)
• M38: 37,664,854 km (0.066 R)
• M39: 38,818,254 km (0.087 R)
• M40: 39,898,351 km (0.075 R)
• M41: 41,639,071 km (0.042 R)
• M42: 43,606,134 km (0.097 R)
• M43: 48,273,139 km (0.057 R)
• M44: 50,900,376 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.8

Radius: 7.3

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.36 AU - 8.54 AU

Year: 13792 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,875,414 km

• M1: 115,938 km (0.089 R)
• M2: 331,509 km (0.049 R)
• M3: 512,223 km (0.085 R)
• M4: 671,994 km (0.045 R)
• M5: 1,009,786 km (0.101 R)
• M6: 1,459,776 km (0.042 R)
• M7: 1,641,986 km (0.089 R)
• M8: 1,998,927 km (0.077 R)
• M9: 2,279,722 km (0.114 R)
• M10: 2,555,880 km (0.059 R)
• M11: 3,795,896 km (0.117 R)
• M12: 4,183,205 km (0.065 R)
• M13: 4,368,557 km (0.055 R)
• M14: 7,681,851 km (0.066 R)
• M15: 7,849,101 km (0.112 R)
• M16: 10,724,522 km (0.105 R)
• M17: 12,305,322 km (0.093 R)
• M18: 13,549,079 km (0.109 R)
• M19: 13,995,778 km (0.049 R)
• M20: 14,679,441 km (0.117 R)
• M21: 14,911,018 km (0.061 R)
• M22: 15,085,898 km (0.109 R)
• M23: 15,616,671 km (0.093 R)
• M24: 15,795,590 km (0.051 R)
• M25: 16,521,738 km (0.109 R)
• M26: 18,408,916 km (0.063 R)
• M27: 18,863,992 km (0.097 R)
• M28: 19,060,863 km (0.1 R)
• M29: 19,523,869 km (0.066 R)
• M30: 22,490,993 km (0.081 R)
• M31: 24,238,595 km (0.071 R)
• M32: 24,910,888 km (0.042 R)
• M33: 28,571,697 km (0.102 R)
• M34: 31,461,479 km (0.104 R)
• M35: 32,656,467 km (0.088 R)
• M36: 34,934,843 km (0.111 R)
• M37: 40,679,102 km (0.091 R)
• M38: 41,258,195 km (0.101 R)
• M39: 43,915,053 km (0.106 R)
• M40: 46,141,369 km (0.108 R)
• M41: 51,190,147 km (0.109 R)
• M42: 51,731,243 km (0.088 R)
• M43: 53,371,284 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398

Radius: 7.6

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.34 AU - 8.76 AU

Year: 16957 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,875,414 km

• M1: 94,546 km (0.1 R)
• M2: 236,514 km (0.099 R)
• M3: 685,308 km (0.079 R)
• M4: 912,098 km (0.076 R)
• M5: 1,423,723 km (0.066 R)
• M6: 1,813,575 km (0.044 R)
• M7: 2,551,092 km (0.066 R)
• M8: 2,918,206 km (0.113 R)
• M9: 3,615,033 km (0.105 R)
• M10: 3,757,749 km (0.04 R)
• M11: 4,203,251 km (0.08 R)
• M12: 4,706,499 km (0.085 R)
• M13: 6,203,225 km (0.058 R)
• M14: 8,510,922 km (0.118 R)
• M15: 8,998,611 km (0.119 R)
• M16: 10,398,847 km (0.089 R)
• M17: 12,005,080 km (0.117 R)
• M18: 12,214,068 km (0.039 R)
• M19: 13,013,818 km (0.112 R)
• M20: 13,505,995 km (0.117 R)
• M21: 14,289,738 km (0.108 R)
• M22: 16,897,977 km (0.077 R)
• M23: 18,028,488 km (0.09 R)
• M24: 18,413,404 km (0.114 R)
• M25: 18,802,508 km (0.086 R)
• M26: 19,860,015 km (0.083 R)
• M27: 23,716,798 km (0.065 R)
• M28: 25,204,399 km (0.104 R)
• M29: 28,156,114 km (0.102 R)
• M30: 30,852,466 km (0.058 R)
• M31: 32,118,962 km (0.062 R)
• M32: 34,198,522 km (0.104 R)
• M33: 35,173,601 km (0.12 R)
• M34: 35,352,221 km (0.118 R)
• M35: 38,274,017 km (0.03 R)
• M36: 41,118,770 km (0.107 R)
• M37: 42,285,185 km (0.082 R)
• M38: 51,771,784 km (0.081 R)
• M39: 54,071,851 km (0.038 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 14,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit