🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 14.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.8 AU - 1.22 AU

Year: 677 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,487,267 km

• M1: 175,628 km (0.082 R)
• M2: 630,106 km (0.044 R)
• M3: 1,084,734 km (0.077 R)
• M4: 1,528,591 km (0.104 R)
• M5: 2,806,905 km (0.092 R)
• M6: 3,413,823 km (0.081 R)
• M7: 3,871,294 km (0.093 R)
• M8: 4,449,041 km (0.109 R)
• M9: 5,315,063 km (0.12 R)
• M10: 5,760,116 km (0.116 R)
• M11: 7,181,147 km (0.103 R)
• M12: 8,081,875 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 8.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.21 AU

Year: 769 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,487,267 km

• M1: 108,309 km (0.042 R)
• M2: 392,694 km (0.06 R)
• M3: 1,289,982 km (0.083 R)
• M4: 1,838,857 km (0.114 R)
• M5: 2,181,735 km (0.118 R)
• M6: 2,749,160 km (0.099 R)
• M7: 5,603,039 km (0.088 R)
• M8: 6,042,856 km (0.08 R)
• M9: 6,909,178 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 13.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.86 AU - 2.9 AU

Year: 3259 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,487,267 km

• M1: 169,195 km (0.103 R)
• M2: 592,707 km (0.094 R)
• M3: 1,106,875 km (0.064 R)
• M4: 1,725,163 km (0.062 R)
• M5: 2,449,815 km (0.089 R)
• M6: 3,000,784 km (0.067 R)
• M7: 3,444,341 km (0.116 R)
• M8: 3,972,871 km (0.038 R)
• M9: 5,219,470 km (0.11 R)
• M10: 5,893,109 km (0.065 R)
• M11: 6,682,986 km (0.08 R)
• M12: 8,065,569 km (0.049 R)
• M13: 8,543,385 km (0.05 R)
• M14: 12,527,026 km (0.09 R)
• M15: 13,076,200 km (0.099 R)
• M16: 13,689,252 km (0.115 R)
• M17: 16,825,871 km (0.057 R)
• M18: 17,551,570 km (0.065 R)
• M19: 18,298,064 km (0.102 R)
• M20: 21,432,887 km (0.099 R)
• M21: 22,087,078 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 11.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.13 AU - 3.31 AU

Year: 3853 Days

Day: 12.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,487,267 km

• M1: 144,212 km (0.101 R)
• M2: 990,936 km (0.085 R)
• M3: 1,366,128 km (0.069 R)
• M4: 1,746,854 km (0.067 R)
• M5: 2,348,687 km (0.09 R)
• M6: 2,985,226 km (0.056 R)
• M7: 3,714,665 km (0.095 R)
• M8: 4,299,592 km (0.096 R)
• M9: 5,328,527 km (0.091 R)
• M10: 6,888,234 km (0.047 R)
• M11: 7,615,579 km (0.094 R)
• M12: 11,958,704 km (0.114 R)
• M13: 12,433,079 km (0.083 R)
• M14: 13,009,629 km (0.11 R)
• M15: 13,511,380 km (0.07 R)
• M16: 14,505,309 km (0.081 R)
• M17: 20,097,576 km (0.08 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 14.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.41 AU - 5.11 AU

Year: 5863 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,487,267 km

• M1: 180,415 km (0.083 R)
• M2: 723,306 km (0.046 R)
• M3: 1,243,009 km (0.076 R)
• M4: 1,792,482 km (0.111 R)
• M5: 2,376,213 km (0.111 R)
• M6: 2,969,518 km (0.1 R)
• M7: 4,035,702 km (0.108 R)
• M8: 5,076,155 km (0.081 R)
• M9: 5,544,845 km (0.072 R)
• M10: 6,042,557 km (0.066 R)
• M11: 6,830,788 km (0.039 R)
• M12: 7,654,773 km (0.054 R)
• M13: 10,372,518 km (0.053 R)
• M14: 11,131,727 km (0.117 R)
• M15: 13,539,654 km (0.103 R)
• M16: 19,305,306 km (0.118 R)
• M17: 20,331,697 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 13.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.56 AU - 5.48 AU

Year: 7500 Days

Day: 11.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,487,267 km

• M1: 165,605 km (0.052 R)
• M2: 667,805 km (0.099 R)
• M3: 1,519,316 km (0.108 R)
• M4: 2,633,371 km (0.05 R)
• M5: 3,239,691 km (0.05 R)
• M6: 4,901,125 km (0.114 R)
• M7: 5,483,959 km (0.093 R)
• M8: 6,244,215 km (0.093 R)
• M9: 7,328,949 km (0.11 R)
• M10: 7,781,333 km (0.05 R)
• M11: 9,208,347 km (0.101 R)
• M12: 9,961,573 km (0.104 R)
• M13: 10,707,767 km (0.073 R)
• M14: 11,440,647 km (0.105 R)
• M15: 13,336,800 km (0.03 R)
• M16: 14,417,944 km (0.074 R)
• M17: 14,890,374 km (0.12 R)
• M18: 15,680,250 km (0.109 R)
• M19: 16,433,775 km (0.107 R)
• M20: 18,149,662 km (0.111 R)
• M21: 24,676,318 km (0.117 R)
• M22: 27,458,540 km (0.115 R)
• M23: 28,553,746 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 14

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.12 AU - 6.22 AU

Year: 7839 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,487,267 km

• M1: 185,202 km (0.096 R)
• M2: 689,945 km (0.065 R)
• M3: 1,135,747 km (0.028 R)
• M4: 1,990,400 km (0.046 R)
• M5: 5,389,712 km (0.072 R)
• M6: 6,304,204 km (0.072 R)
• M7: 8,069,608 km (0.101 R)
• M8: 10,482,024 km (0.12 R)
• M9: 10,926,479 km (0.101 R)
• M10: 11,643,053 km (0.093 R)
• M11: 13,630,460 km (0.034 R)
• M12: 15,706,580 km (0.101 R)
• M13: 19,351,981 km (0.103 R)
• M14: 23,949,871 km (0.077 R)
• M15: 28,458,901 km (0.106 R)
• M16: 33,398,473 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.7

Radius: 3

Gravity: 45.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.06 AU - 8.2 AU

Year: 15458 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,487,267 km

• M1: 37,399 km (0.049 R)
• M2: 142,716 km (0.101 R)
• M3: 307,274 km (0.083 R)
• M4: 1,210,097 km (0.097 R)
• M5: 1,646,025 km (0.097 R)
• M6: 1,977,833 km (0.064 R)
• M7: 2,556,628 km (0.098 R)
• M8: 2,794,787 km (0.051 R)
• M9: 3,000,335 km (0.052 R)
• M10: 5,023,945 km (0.04 R)
• M11: 5,572,371 km (0.12 R)
• M12: 6,046,596 km (0.079 R)
• M13: 6,429,268 km (0.049 R)
• M14: 7,542,725 km (0.046 R)
• M15: 8,213,821 km (0.086 R)
• M16: 11,015,190 km (0.081 R)
• M17: 13,929,207 km (0.094 R)
• M18: 14,259,370 km (0.099 R)
• M19: 15,774,497 km (0.063 R)
• M20: 17,622,779 km (0.06 R)
• M21: 19,858,369 km (0.09 R)
• M22: 21,566,179 km (0.081 R)
• M23: 25,662,767 km (0.112 R)
• M24: 28,734,759 km (0.045 R)
• M25: 29,269,571 km (0.098 R)
• M26: 30,469,197 km (0.096 R)
• M27: 39,010,487 km (0.104 R)
• M28: 40,328,594 km (0.104 R)
• M29: 41,268,667 km (0.106 R)
• M30: 44,888,337 km (0.119 R)
• M31: 45,031,652 km (0.094 R)
• M32: 46,922,270 km (0.116 R)
• M33: 50,087,162 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.6

Radius: 5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.53 AU - 8.87 AU

Year: 17112 Days

Day: 22.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,487,267 km

• M1: 62,233 km (0.119 R)
• M2: 715,975 km (0.079 R)
• M3: 883,824 km (0.119 R)
• M4: 1,339,200 km (0.069 R)
• M5: 1,655,899 km (0.083 R)
• M6: 1,872,367 km (0.066 R)
• M7: 2,438,445 km (0.101 R)
• M8: 3,796,345 km (0.115 R)
• M9: 4,146,105 km (0.098 R)
• M10: 4,343,275 km (0.094 R)
• M11: 4,546,728 km (0.079 R)
• M12: 4,817,500 km (0.086 R)
• M13: 5,227,548 km (0.086 R)
• M14: 5,798,563 km (0.11 R)
• M15: 7,973,866 km (0.056 R)
• M16: 8,729,036 km (0.106 R)
• M17: 8,960,015 km (0.085 R)
• M18: 9,726,405 km (0.089 R)
• M19: 11,608,944 km (0.087 R)
• M20: 16,076,834 km (0.054 R)
• M21: 16,423,901 km (0.076 R)
• M22: 18,460,826 km (0.113 R)
• M23: 19,461,337 km (0.059 R)
• M24: 20,255,252 km (0.101 R)
• M25: 22,162,775 km (0.076 R)
• M26: 30,249,737 km (0.104 R)
• M27: 31,529,546 km (0.073 R)
• M28: 35,702,579 km (0.095 R)
• M29: 36,412,122 km (0.077 R)
• M30: 43,629,022 km (0.11 R)
• M31: 46,371,151 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 5.9

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.1 AU - 10.46 AU

Year: 17349 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,487,267 km

• M1: 75,098 km (0.104 R)
• M2: 349,311 km (0.072 R)
• M3: 782,247 km (0.105 R)
• M4: 976,575 km (0.12 R)
• M5: 1,242,410 km (0.064 R)
• M6: 1,731,595 km (0.087 R)
• M7: 2,104,692 km (0.03 R)
• M8: 2,797,779 km (0.048 R)
• M9: 3,974,516 km (0.117 R)
• M10: 4,275,208 km (0.118 R)
• M11: 4,922,219 km (0.11 R)
• M12: 5,163,520 km (0.109 R)
• M13: 5,448,803 km (0.078 R)
• M14: 7,522,080 km (0.103 R)
• M15: 9,011,028 km (0.115 R)
• M16: 12,118,026 km (0.113 R)
• M17: 13,471,887 km (0.088 R)
• M18: 15,576,429 km (0.091 R)
• M19: 19,813,041 km (0.08 R)
• M20: 20,336,185 km (0.073 R)
• M21: 32,349,941 km (0.093 R)
• M22: 35,062,300 km (0.096 R)
• M23: 40,236,292 km (0.092 R)
• M24: 48,051,734 km (0.086 R)
• M25: 53,228,568 km (0.074 R)
• M26: 59,123,173 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit