🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 11

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 5 Hours

Environment

Temp: -147 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,001,983 km

• M1: 137,181 km (0.105 R)
• M2: 484,697 km (0.085 R)
• M3: 1,204,113 km (0.06 R)
• M4: 1,584,391 km (0.025 R)
• M5: 2,031,539 km (0.104 R)
• M6: 2,399,550 km (0.107 R)
• M7: 2,830,093 km (0.102 R)
• M8: 3,352,189 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 14

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 12.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,001,983 km

• M1: 174,581 km (0.115 R)
• M2: 612,005 km (0.073 R)
• M3: 1,076,207 km (0.11 R)
• M4: 1,608,476 km (0.066 R)
• M5: 2,170,216 km (0.093 R)
• M6: 2,682,739 km (0.04 R)
• M7: 3,199,599 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 11.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.83 AU - 1.07 AU

Year: 628 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,001,983 km

• M1: 144,063 km (0.079 R)
• M2: 682,166 km (0.111 R)
• M3: 1,070,522 km (0.107 R)
• M4: 2,077,017 km (0.059 R)
• M5: 2,452,956 km (0.086 R)
• M6: 3,866,656 km (0.119 R)
• M7: 6,420,890 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 8.7

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.12 AU - 1.52 AU

Year: 1029 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,001,983 km

• M1: 109,356 km (0.116 R)
• M2: 613,052 km (0.046 R)
• M3: 890,706 km (0.065 R)
• M4: 1,566,439 km (0.05 R)
• M5: 2,010,745 km (0.056 R)
• M6: 2,489,009 km (0.105 R)
• M7: 3,110,738 km (0.059 R)
• M8: 4,113,044 km (0.09 R)
• M9: 4,772,322 km (0.064 R)
• M10: 5,296,513 km (0.119 R)
• M11: 5,858,701 km (0.067 R)
• M12: 6,143,237 km (0.097 R)
• M13: 7,077,326 km (0.111 R)
• M14: 8,210,978 km (0.095 R)
• M15: 8,792,914 km (0.114 R)
• M16: 9,671,502 km (0.106 R)
• M17: 10,194,646 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 11.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.08 AU - 1.8 AU

Year: 1172 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,001,983 km

• M1: 177,573 km (0.048 R)
• M2: 543,339 km (0.12 R)
• M3: 1,038,658 km (0.093 R)
• M4: 1,454,839 km (0.112 R)
• M5: 1,887,028 km (0.083 R)
• M6: 2,471,506 km (0.052 R)
• M7: 2,951,267 km (0.095 R)
• M8: 3,991,870 km (0.07 R)
• M9: 5,007,340 km (0.05 R)
• M10: 5,576,111 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.6

Radius: 11

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.95 AU - 2.75 AU

Year: 2443 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,001,983 km

• M1: 136,732 km (0.085 R)
• M2: 678,875 km (0.108 R)
• M3: 1,080,994 km (0.105 R)
• M4: 1,496,727 km (0.119 R)
• M5: 1,983,967 km (0.082 R)
• M6: 2,437,548 km (0.102 R)
• M7: 2,822,762 km (0.087 R)
• M8: 3,591,396 km (0.089 R)
• M9: 4,330,858 km (0.056 R)
• M10: 4,900,078 km (0.102 R)
• M11: 6,530,097 km (0.081 R)
• M12: 6,967,670 km (0.037 R)
• M13: 7,512,805 km (0.044 R)
• M14: 8,117,180 km (0.102 R)
• M15: 8,559,242 km (0.085 R)
• M16: 9,184,860 km (0.102 R)
• M17: 9,840,698 km (0.116 R)
• M18: 10,270,941 km (0.114 R)
• M19: 11,284,915 km (0.115 R)
• M20: 11,876,276 km (0.114 R)
• M21: 13,687,008 km (0.096 R)
• M22: 14,268,944 km (0.11 R)
• M23: 17,325,977 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 11.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.22 AU - 2.54 AU

Year: 2490 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,001,983 km

• M1: 146,756 km (0.102 R)
• M2: 587,022 km (0.119 R)
• M3: 1,085,931 km (0.115 R)
• M4: 1,686,118 km (0.057 R)
• M5: 2,198,341 km (0.029 R)
• M6: 2,690,518 km (0.093 R)
• M7: 4,581,435 km (0.119 R)
• M8: 6,078,461 km (0.107 R)
• M9: 6,653,066 km (0.075 R)
• M10: 7,784,924 km (0.109 R)
• M11: 8,429,990 km (0.075 R)
• M12: 10,932,912 km (0.102 R)
• M13: 11,825,712 km (0.045 R)
• M14: 14,317,563 km (0.074 R)
• M15: 14,991,502 km (0.083 R)
• M16: 15,435,807 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 13.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.9 AU - 4.74 AU

Year: 5064 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,001,983 km

• M1: 169,195 km (0.072 R)
• M2: 823,686 km (0.082 R)
• M3: 1,333,515 km (0.031 R)
• M4: 2,071,033 km (0.099 R)
• M5: 3,010,807 km (0.086 R)
• M6: 3,578,979 km (0.062 R)
• M7: 4,194,126 km (0.104 R)
• M8: 6,637,508 km (0.066 R)
• M9: 7,391,032 km (0.059 R)
• M10: 10,758,331 km (0.118 R)
• M11: 11,508,863 km (0.105 R)
• M12: 12,293,953 km (0.051 R)
• M13: 12,802,586 km (0.043 R)
• M14: 14,694,700 km (0.054 R)
• M15: 15,210,064 km (0.064 R)
• M16: 15,915,867 km (0.118 R)
• M17: 18,165,221 km (0.086 R)
• M18: 20,761,641 km (0.064 R)
• M19: 22,223,362 km (0.119 R)
• M20: 23,209,511 km (0.071 R)
• M21: 29,841,035 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.6

Radius: 7.6

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.33 AU - 11.31 AU

Year: 19298 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 92 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,001,983 km

• M1: 94,546 km (0.097 R)
• M2: 465,997 km (0.119 R)
• M3: 1,589,627 km (0.064 R)
• M4: 1,887,925 km (0.048 R)
• M5: 2,912,820 km (0.058 R)
• M6: 3,475,009 km (0.069 R)
• M7: 4,075,495 km (0.116 R)
• M8: 5,030,079 km (0.086 R)
• M9: 7,046,957 km (0.071 R)
• M10: 8,057,042 km (0.075 R)
• M11: 9,051,270 km (0.08 R)
• M12: 11,989,671 km (0.115 R)
• M13: 12,321,329 km (0.046 R)
• M14: 15,431,320 km (0.089 R)
• M15: 19,118,159 km (0.078 R)
• M16: 20,498,349 km (0.111 R)
• M17: 22,540,659 km (0.106 R)
• M18: 23,353,125 km (0.119 R)
• M19: 23,662,643 km (0.048 R)
• M20: 24,821,578 km (0.087 R)
• M21: 25,360,729 km (0.094 R)
• M22: 29,595,396 km (0.05 R)
• M23: 35,624,339 km (0.114 R)
• M24: 40,019,525 km (0.096 R)
• M25: 40,314,831 km (0.111 R)
• M26: 41,209,725 km (0.118 R)
• M27: 41,965,494 km (0.03 R)
• M28: 42,576,751 km (0.026 R)
• M29: 43,193,992 km (0.035 R)
• M30: 46,207,192 km (0.088 R)
• M31: 47,022,800 km (0.079 R)
• M32: 48,014,185 km (0.11 R)
• M33: 49,697,460 km (0.102 R)
• M34: 59,471,287 km (0.112 R)
• M35: 61,411,571 km (0.054 R)
• M36: 68,957,737 km (0.056 R)
• M37: 71,098,333 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.1

Radius: 5.9

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.35 AU - 10.51 AU

Year: 19641 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,001,983 km

• M1: 73,453 km (0.093 R)
• M2: 261,198 km (0.118 R)
• M3: 583,880 km (0.093 R)
• M4: 1,205,759 km (0.065 R)
• M5: 1,743,862 km (0.083 R)
• M6: 3,020,531 km (0.099 R)
• M7: 3,336,033 km (0.103 R)
• M8: 4,095,092 km (0.115 R)
• M9: 4,481,952 km (0.052 R)
• M10: 4,963,807 km (0.047 R)
• M11: 7,615,130 km (0.058 R)
• M12: 8,554,904 km (0.103 R)
• M13: 9,404,171 km (0.034 R)
• M14: 10,308,340 km (0.119 R)
• M15: 10,543,209 km (0.057 R)
• M16: 15,102,503 km (0.108 R)
• M17: 15,945,787 km (0.111 R)
• M18: 16,498,551 km (0.11 R)
• M19: 19,544,663 km (0.114 R)
• M20: 21,675,385 km (0.103 R)
• M21: 22,846,437 km (0.106 R)
• M22: 24,161,851 km (0.07 R)
• M23: 24,890,692 km (0.032 R)
• M24: 25,101,625 km (0.058 R)
• M25: 28,525,172 km (0.092 R)
• M26: 29,339,134 km (0.106 R)
• M27: 30,168,505 km (0.066 R)
• M28: 32,372,680 km (0.073 R)
• M29: 43,780,565 km (0.119 R)
• M30: 44,707,174 km (0.045 R)
• M31: 45,175,415 km (0.078 R)
• M32: 51,391,955 km (0.069 R)
• M33: 54,348,607 km (0.112 R)
• M34: 56,867,087 km (0.065 R)
• M35: 62,329,205 km (0.048 R)
• M36: 65,087,042 km (0.109 R)
• M37: 66,495,954 km (0.059 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 18,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit