🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.9

Radius: 10.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,422,593 km

• M1: 137,780 km (0.078 R)
• M2: 627,563 km (0.118 R)
• M3: 1,272,779 km (0.07 R)
• M4: 1,744,910 km (0.087 R)
• M5: 2,125,636 km (0.118 R)
• M6: 2,468,365 km (0.072 R)
• M7: 3,211,417 km (0.112 R)
• M8: 3,581,523 km (0.119 R)
• M9: 4,492,274 km (0.06 R)
• M10: 5,421,876 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 11.4

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.75 AU - 0.95 AU

Year: 541 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,422,593 km

• M1: 141,819 km (0.059 R)
• M2: 505,042 km (0.076 R)
• M3: 909,106 km (0.032 R)
• M4: 1,306,289 km (0.091 R)
• M5: 1,812,977 km (0.097 R)
• M6: 2,458,791 km (0.099 R)
• M7: 2,886,940 km (0.096 R)
• M8: 3,389,888 km (0.097 R)
• M9: 3,881,018 km (0.087 R)
• M10: 4,651,447 km (0.112 R)
• M11: 6,032,385 km (0.049 R)
• M12: 6,941,192 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 8.5

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.05 AU - 1.49 AU

Year: 988 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,422,593 km

• M1: 105,766 km (0.117 R)
• M2: 384,018 km (0.032 R)
• M3: 660,475 km (0.07 R)
• M4: 969,245 km (0.104 R)
• M5: 1,297,762 km (0.089 R)
• M6: 1,737,878 km (0.095 R)
• M7: 2,130,872 km (0.109 R)
• M8: 2,582,358 km (0.097 R)
• M9: 3,919,165 km (0.107 R)
• M10: 4,728,938 km (0.116 R)
• M11: 5,173,543 km (0.088 R)
• M12: 5,499,068 km (0.057 R)
• M13: 7,987,180 km (0.103 R)
• M14: 8,816,999 km (0.063 R)
• M15: 9,491,387 km (0.054 R)
• M16: 10,358,157 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 10

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.93 AU - 4.49 AU

Year: 4933 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,422,593 km

• M1: 169,345 km (0.095 R)
• M2: 883,824 km (0.088 R)
• M3: 3,205,583 km (0.092 R)
• M4: 3,651,086 km (0.033 R)
• M5: 4,207,739 km (0.108 R)
• M6: 10,656,156 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 11

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.56 AU - 4.66 AU

Year: 5751 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,422,593 km

• M1: 139,575 km (0.082 R)
• M2: 739,761 km (0.12 R)
• M3: 1,131,259 km (0.1 R)
• M4: 1,513,033 km (0.064 R)
• M5: 1,866,383 km (0.072 R)
• M6: 2,243,370 km (0.119 R)
• M7: 3,013,350 km (0.114 R)
• M8: 4,501,101 km (0.027 R)
• M9: 5,362,485 km (0.116 R)
• M10: 6,134,261 km (0.096 R)
• M11: 7,084,955 km (0.076 R)
• M12: 7,558,582 km (0.08 R)
• M13: 9,023,295 km (0.06 R)
• M14: 10,810,541 km (0.114 R)
• M15: 11,888,543 km (0.096 R)
• M16: 12,297,843 km (0.059 R)
• M17: 12,663,759 km (0.075 R)
• M18: 13,144,866 km (0.064 R)
• M19: 14,487,507 km (0.068 R)
• M20: 21,601,484 km (0.049 R)
• M21: 22,366,228 km (0.093 R)
• M22: 26,549,882 km (0.074 R)
• M23: 31,324,897 km (0.072 R)
• M24: 32,602,313 km (0.04 R)
• M25: 34,635,049 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 14.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.91 AU - 5.43 AU

Year: 8114 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,422,593 km

• M1: 183,257 km (0.109 R)
• M2: 642,822 km (0.083 R)
• M3: 1,313,170 km (0.119 R)
• M4: 1,940,434 km (0.049 R)
• M5: 2,453,854 km (0.116 R)
• M6: 3,612,938 km (0.102 R)
• M7: 4,776,361 km (0.061 R)
• M8: 5,364,430 km (0.1 R)
• M9: 6,105,837 km (0.112 R)
• M10: 7,069,247 km (0.12 R)
• M11: 9,678,683 km (0.101 R)
• M12: 10,935,904 km (0.084 R)
• M13: 11,468,322 km (0.071 R)
• M14: 13,409,504 km (0.044 R)
• M15: 15,896,270 km (0.11 R)
• M16: 17,934,690 km (0.103 R)
• M17: 19,055,029 km (0.104 R)
• M18: 22,696,690 km (0.101 R)
• M19: 23,476,992 km (0.104 R)
• M20: 29,757,410 km (0.111 R)
• M21: 31,008,497 km (0.116 R)
• M22: 31,647,130 km (0.113 R)
• M23: 33,839,338 km (0.049 R)
• M24: 36,013,892 km (0.092 R)
• M25: 37,795,453 km (0.097 R)
• M26: 40,010,100 km (0.05 R)
• M27: 42,832,713 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820

Radius: 3.3

Gravity: 75.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.15 AU - 8.51 AU

Year: 12321 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,422,593 km

• M1: 41,139 km (0.094 R)
• M2: 155,133 km (0.117 R)
• M3: 376,239 km (0.063 R)
• M4: 530,025 km (0.11 R)
• M5: 809,324 km (0.093 R)
• M6: 965,355 km (0.105 R)
• M7: 1,243,458 km (0.095 R)
• M8: 1,351,916 km (0.03 R)
• M9: 1,496,278 km (0.048 R)
• M10: 1,920,687 km (0.104 R)
• M11: 2,358,710 km (0.109 R)
• M12: 2,483,325 km (0.065 R)
• M13: 2,678,251 km (0.105 R)
• M14: 3,481,741 km (0.101 R)
• M15: 5,296,812 km (0.094 R)
• M16: 5,994,237 km (0.107 R)
• M17: 6,668,325 km (0.051 R)
• M18: 7,087,648 km (0.094 R)
• M19: 9,607,624 km (0.068 R)
• M20: 10,416,500 km (0.08 R)
• M21: 10,527,651 km (0.075 R)
• M22: 11,743,134 km (0.115 R)
• M23: 15,363,851 km (0.062 R)
• M24: 16,998,956 km (0.099 R)
• M25: 18,258,420 km (0.086 R)
• M26: 18,910,966 km (0.031 R)
• M27: 19,076,421 km (0.066 R)
• M28: 22,967,163 km (0.101 R)
• M29: 28,100,763 km (0.106 R)
• M30: 31,683,483 km (0.067 R)
• M31: 41,247,723 km (0.081 R)
• M32: 41,526,125 km (0.12 R)
• M33: 43,510,391 km (0.12 R)
• M34: 43,943,627 km (0.112 R)
• M35: 44,379,704 km (0.089 R)
• M36: 54,051,057 km (0.054 R)
• M37: 54,887,160 km (0.106 R)
• M38: 58,142,858 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.9

Radius: 4.6

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.24 AU - 8.58 AU

Year: 12538 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,422,593 km

• M1: 57,296 km (0.059 R)
• M2: 245,341 km (0.104 R)
• M3: 526,884 km (0.108 R)
• M4: 863,180 km (0.105 R)
• M5: 1,242,560 km (0.099 R)
• M6: 1,787,994 km (0.091 R)
• M7: 2,035,728 km (0.117 R)
• M8: 2,250,102 km (0.073 R)
• M9: 2,640,851 km (0.057 R)
• M10: 3,007,366 km (0.028 R)
• M11: 3,606,954 km (0.077 R)
• M12: 3,867,853 km (0.117 R)
• M13: 4,398,177 km (0.11 R)
• M14: 5,233,382 km (0.093 R)
• M15: 9,837,706 km (0.092 R)
• M16: 10,820,264 km (0.069 R)
• M17: 12,037,542 km (0.109 R)
• M18: 12,738,707 km (0.101 R)
• M19: 17,379,533 km (0.11 R)
• M20: 18,426,119 km (0.04 R)
• M21: 18,732,645 km (0.062 R)
• M22: 22,159,933 km (0.08 R)
• M23: 23,929,825 km (0.104 R)
• M24: 28,761,986 km (0.103 R)
• M25: 29,486,488 km (0.089 R)
• M26: 30,435,687 km (0.111 R)
• M27: 33,292,258 km (0.116 R)
• M28: 33,519,049 km (0.086 R)
• M29: 35,136,052 km (0.08 R)
• M30: 38,900,084 km (0.082 R)
• M31: 46,083,175 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.4

Radius: 7.2

Gravity: 17.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.97 AU - 9.17 AU

Year: 18855 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,422,593 km

• M1: 92,601 km (0.107 R)
• M2: 421,567 km (0.032 R)
• M3: 925,263 km (0.108 R)
• M4: 1,175,839 km (0.092 R)
• M5: 1,621,192 km (0.095 R)
• M6: 1,893,011 km (0.092 R)
• M7: 2,347,191 km (0.101 R)
• M8: 3,027,711 km (0.064 R)
• M9: 3,356,976 km (0.102 R)
• M10: 8,298,044 km (0.116 R)
• M11: 9,857,752 km (0.032 R)
• M12: 12,411,238 km (0.072 R)
• M13: 13,041,194 km (0.12 R)
• M14: 15,137,659 km (0.043 R)
• M15: 18,507,949 km (0.097 R)
• M16: 19,329,690 km (0.118 R)
• M17: 22,861,547 km (0.103 R)
• M18: 26,801,207 km (0.102 R)
• M19: 27,381,796 km (0.114 R)
• M20: 47,082,339 km (0.1 R)
• M21: 54,870,255 km (0.098 R)
• M22: 59,459,618 km (0.091 R)
• M23: 62,251,564 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.1

Radius: 4.7

Gravity: 39.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.85 AU - 10.75 AU

Year: 19577 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,422,593 km

• M1: 58,642 km (0.096 R)
• M2: 878,439 km (0.045 R)
• M3: 1,521,710 km (0.117 R)
• M4: 2,147,328 km (0.111 R)
• M5: 2,877,365 km (0.087 R)
• M6: 3,637,472 km (0.045 R)
• M7: 5,344,234 km (0.092 R)
• M8: 5,584,489 km (0.097 R)
• M9: 11,832,144 km (0.045 R)
• M10: 14,194,744 km (0.119 R)
• M11: 16,015,798 km (0.063 R)
• M12: 17,633,101 km (0.108 R)
• M13: 21,188,294 km (0.097 R)
• M14: 23,450,364 km (0.079 R)
• M15: 28,811,952 km (0.092 R)
• M16: 30,049,425 km (0.038 R)
• M17: 35,214,441 km (0.054 R)
• M18: 43,138,790 km (0.112 R)
• M19: 49,149,632 km (0.077 R)
• M20: 57,999,693 km (0.079 R)
• M21: 60,567,092 km (0.043 R)
• M22: 70,702,946 km (0.055 R)
• M23: 72,947,811 km (0.059 R)
• M24: 79,725,941 km (0.039 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 19,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit