🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 13.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,767,344 km

• M1: 171,589 km (0.048 R)
• M2: 724,951 km (0.097 R)
• M3: 1,480,869 km (0.056 R)
• M4: 1,910,215 km (0.093 R)
• M5: 3,076,480 km (0.093 R)
• M6: 3,532,455 km (0.074 R)
• M7: 4,345,669 km (0.102 R)
• M8: 5,603,338 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 10

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.23 AU - 2.53 AU

Year: 2448 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,767,344 km

• M1: 124,465 km (0.084 R)
• M2: 474,824 km (0.081 R)
• M3: 1,029,233 km (0.12 R)
• M4: 1,449,454 km (0.063 R)
• M5: 1,819,559 km (0.093 R)
• M6: 2,132,518 km (0.074 R)
• M7: 2,797,181 km (0.111 R)
• M8: 4,262,642 km (0.098 R)
• M9: 4,677,477 km (0.036 R)
• M10: 5,383,878 km (0.057 R)
• M11: 5,704,466 km (0.095 R)
• M12: 6,358,807 km (0.109 R)
• M13: 6,901,847 km (0.05 R)
• M14: 8,624,916 km (0.038 R)
• M15: 9,193,537 km (0.102 R)
• M16: 9,686,313 km (0.093 R)
• M17: 10,231,298 km (0.115 R)
• M18: 10,868,585 km (0.084 R)
• M19: 11,308,103 km (0.089 R)
• M20: 11,645,446 km (0.104 R)
• M21: 13,898,241 km (0.098 R)
• M22: 15,081,859 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 12.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.05 AU - 2.99 AU

Year: 2668 Days

Day: 14.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,767,344 km

• M1: 150,645 km (0.089 R)
• M2: 805,585 km (0.087 R)
• M3: 1,926,073 km (0.103 R)
• M4: 2,637,261 km (0.061 R)
• M5: 3,774,055 km (0.103 R)
• M6: 4,365,565 km (0.112 R)
• M7: 8,390,795 km (0.055 R)
• M8: 8,917,828 km (0.029 R)
• M9: 13,084,727 km (0.071 R)
• M10: 14,008,345 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 8.6

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.81 AU - 3.35 AU

Year: 3605 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,767,344 km

• M1: 106,962 km (0.115 R)
• M2: 379,979 km (0.087 R)
• M3: 830,268 km (0.091 R)
• M4: 1,221,766 km (0.091 R)
• M5: 1,821,354 km (0.118 R)
• M6: 2,572,186 km (0.103 R)
• M7: 2,858,367 km (0.073 R)
• M8: 3,699,855 km (0.094 R)
• M9: 4,722,057 km (0.096 R)
• M10: 6,363,594 km (0.063 R)
• M11: 6,795,633 km (0.062 R)
• M12: 8,174,327 km (0.094 R)
• M13: 8,463,799 km (0.117 R)
• M14: 10,515,085 km (0.047 R)
• M15: 12,780,445 km (0.089 R)
• M16: 14,285,699 km (0.074 R)
• M17: 15,080,961 km (0.053 R)
• M18: 15,849,745 km (0.118 R)
• M19: 16,357,480 km (0.092 R)
• M20: 16,817,942 km (0.063 R)
• M21: 18,871,921 km (0.114 R)
• M22: 19,506,515 km (0.097 R)
• M23: 20,751,319 km (0.101 R)
• M24: 22,328,230 km (0.07 R)
• M25: 25,258,104 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 8.4

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.18 AU - 5.2 AU

Year: 6773 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,767,344 km

• M1: 106,065 km (0.114 R)
• M2: 642,972 km (0.086 R)
• M3: 939,923 km (0.07 R)
• M4: 1,298,061 km (0.057 R)
• M5: 1,907,822 km (0.083 R)
• M6: 2,732,106 km (0.11 R)
• M7: 3,911,087 km (0.107 R)
• M8: 5,989,899 km (0.092 R)
• M9: 6,301,212 km (0.111 R)
• M10: 7,801,679 km (0.082 R)
• M11: 8,173,429 km (0.065 R)
• M12: 14,531,788 km (0.057 R)
• M13: 16,265,926 km (0.11 R)
• M14: 17,182,811 km (0.107 R)
• M15: 19,591,337 km (0.087 R)
• M16: 21,995,076 km (0.118 R)
• M17: 27,464,972 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 12

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.53 AU - 6.51 AU

Year: 8648 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 28,767,344 km

• M1: 159,172 km (0.106 R)
• M2: 674,836 km (0.084 R)
• M3: 1,110,016 km (0.072 R)
• M4: 1,637,947 km (0.076 R)
• M5: 2,042,011 km (0.082 R)
• M6: 2,725,673 km (0.071 R)
• M7: 3,277,689 km (0.064 R)
• M8: 4,326,819 km (0.091 R)
• M9: 5,425,915 km (0.105 R)
• M10: 5,887,275 km (0.115 R)
• M11: 6,268,151 km (0.085 R)
• M12: 7,511,159 km (0.095 R)
• M13: 8,001,841 km (0.051 R)
• M14: 9,093,007 km (0.106 R)
• M15: 9,603,585 km (0.086 R)
• M16: 9,986,855 km (0.102 R)
• M17: 11,462,638 km (0.084 R)
• M18: 13,196,178 km (0.08 R)
• M19: 13,670,553 km (0.11 R)
• M20: 19,287,504 km (0.082 R)
• M21: 21,080,584 km (0.116 R)
• M22: 22,141,981 km (0.094 R)
• M23: 24,905,951 km (0.042 R)
• M24: 27,029,493 km (0.095 R)
• M25: 27,795,733 km (0.08 R)
• M26: 30,591,568 km (0.082 R)
• M27: 31,318,913 km (0.057 R)
• M28: 35,129,320 km (0.099 R)
• M29: 36,503,975 km (0.102 R)
• M30: 40,593,233 km (0.08 R)
• M31: 43,266,098 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 7.2

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.44 AU - 6.82 AU

Year: 10121 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,767,344 km

• M1: 89,759 km (0.097 R)
• M2: 434,881 km (0.118 R)
• M3: 886,367 km (0.044 R)
• M4: 1,196,484 km (0.097 R)
• M5: 1,693,149 km (0.095 R)
• M6: 2,546,904 km (0.109 R)
• M7: 2,852,083 km (0.08 R)
• M8: 3,969,729 km (0.116 R)
• M9: 4,438,120 km (0.118 R)
• M10: 4,851,160 km (0.071 R)
• M11: 6,688,072 km (0.102 R)
• M12: 7,513,703 km (0.108 R)
• M13: 9,318,451 km (0.059 R)
• M14: 10,448,364 km (0.117 R)
• M15: 11,832,593 km (0.102 R)
• M16: 12,453,424 km (0.056 R)
• M17: 12,918,524 km (0.089 R)
• M18: 13,945,065 km (0.035 R)
• M19: 16,643,362 km (0.114 R)
• M20: 18,901,093 km (0.034 R)
• M21: 20,783,483 km (0.084 R)
• M22: 23,483,126 km (0.09 R)
• M23: 25,284,284 km (0.096 R)
• M24: 25,748,486 km (0.104 R)
• M25: 29,464,647 km (0.074 R)
• M26: 31,024,953 km (0.119 R)
• M27: 31,664,185 km (0.033 R)
• M28: 31,987,166 km (0.105 R)
• M29: 32,639,563 km (0.096 R)
• M30: 33,411,936 km (0.097 R)
• M31: 33,858,785 km (0.065 R)
• M32: 34,764,152 km (0.083 R)
• M33: 36,860,467 km (0.095 R)
• M34: 42,466,946 km (0.029 R)
• M35: 44,052,683 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.6

Radius: 4.7

Gravity: 39.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.59 AU - 8.47 AU

Year: 12430 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,767,344 km

• M1: 58,493 km (0.076 R)
• M2: 223,350 km (0.061 R)
• M3: 380,427 km (0.077 R)
• M4: 576,101 km (0.083 R)
• M5: 828,174 km (0.029 R)
• M6: 1,307,934 km (0.082 R)
• M7: 1,600,847 km (0.076 R)
• M8: 1,813,874 km (0.082 R)
• M9: 2,525,511 km (0.08 R)
• M10: 3,513,755 km (0.111 R)
• M11: 3,677,415 km (0.085 R)
• M12: 4,605,670 km (0.095 R)
• M13: 5,211,242 km (0.039 R)
• M14: 5,460,472 km (0.117 R)
• M15: 6,456,644 km (0.075 R)
• M16: 6,786,208 km (0.113 R)
• M17: 10,054,174 km (0.091 R)
• M18: 11,480,141 km (0.103 R)
• M19: 11,720,096 km (0.069 R)
• M20: 14,033,327 km (0.114 R)
• M21: 14,938,544 km (0.12 R)
• M22: 15,660,653 km (0.061 R)
• M23: 15,807,857 km (0.083 R)
• M24: 16,179,907 km (0.061 R)
• M25: 17,488,440 km (0.113 R)
• M26: 18,700,332 km (0.101 R)
• M27: 21,200,113 km (0.076 R)
• M28: 21,561,541 km (0.093 R)
• M29: 23,623,000 km (0.09 R)
• M30: 26,017,613 km (0.045 R)
• M31: 34,659,882 km (0.069 R)
• M32: 35,035,522 km (0.102 R)
• M33: 36,824,563 km (0.102 R)
• M34: 47,300,603 km (0.04 R)
• M35: 47,608,326 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.9

Radius: 5.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.43 AU - 8.19 AU

Year: 14555 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,767,344 km

• M1: 65,673 km (0.068 R)
• M2: 277,504 km (0.03 R)
• M3: 557,551 km (0.104 R)
• M4: 3,318,978 km (0.115 R)
• M5: 5,492,935 km (0.084 R)
• M6: 6,019,818 km (0.116 R)
• M7: 6,643,941 km (0.057 R)
• M8: 6,938,499 km (0.11 R)
• M9: 8,892,097 km (0.113 R)
• M10: 14,650,568 km (0.053 R)
• M11: 19,227,366 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 18,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit