🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 14.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 14.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,195,133 km

• M1: 175,478 km (0.116 R)
• M2: 711,787 km (0.076 R)
• M3: 1,313,021 km (0.077 R)
• M4: 1,841,400 km (0.062 R)
• M5: 2,599,712 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 10.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.43 AU - 0.71 AU

Year: 297 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,195,133 km

• M1: 125,662 km (0.082 R)
• M2: 474,973 km (0.1 R)
• M3: 789,428 km (0.111 R)
• M4: 1,216,979 km (0.112 R)
• M5: 1,573,470 km (0.114 R)
• M6: 2,000,124 km (0.117 R)
• M7: 2,875,570 km (0.114 R)
• M8: 3,405,446 km (0.102 R)
• M9: 3,754,009 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 12.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,195,133 km

• M1: 153,039 km (0.05 R)
• M2: 568,771 km (0.108 R)
• M3: 964,009 km (0.087 R)
• M4: 1,630,168 km (0.035 R)
• M5: 2,894,569 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 12.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.54 AU - 0.7 AU

Year: 337 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,195,133 km

• M1: 151,692 km (0.109 R)
• M2: 657,632 km (0.108 R)
• M3: 1,475,035 km (0.068 R)
• M4: 2,289,446 km (0.094 R)
• M5: 2,774,741 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.34 AU - 2.24 AU

Year: 1653 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,195,133 km

• M1: 169,195 km (0.102 R)
• M2: 653,443 km (0.117 R)
• M3: 1,146,817 km (0.086 R)
• M4: 1,686,417 km (0.088 R)
• M5: 2,533,290 km (0.115 R)
• M6: 3,040,278 km (0.104 R)
• M7: 3,598,577 km (0.118 R)
• M8: 4,043,780 km (0.109 R)
• M9: 4,526,084 km (0.099 R)
• M10: 5,005,395 km (0.081 R)
• M11: 5,452,543 km (0.066 R)
• M12: 7,166,785 km (0.071 R)
• M13: 8,543,983 km (0.109 R)
• M14: 9,859,098 km (0.094 R)
• M15: 11,161,647 km (0.081 R)
• M16: 12,004,032 km (0.102 R)
• M17: 13,529,033 km (0.114 R)
• M18: 14,023,304 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 13.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.54 AU - 5.7 AU

Year: 6854 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,195,133 km

• M1: 169,345 km (0.101 R)
• M2: 864,975 km (0.097 R)
• M3: 1,296,266 km (0.087 R)
• M4: 1,789,939 km (0.109 R)
• M5: 2,880,657 km (0.073 R)
• M6: 4,820,043 km (0.054 R)
• M7: 5,449,402 km (0.088 R)
• M8: 6,873,424 km (0.051 R)
• M9: 7,871,690 km (0.071 R)
• M10: 8,746,838 km (0.1 R)
• M11: 9,230,637 km (0.099 R)
• M12: 9,732,239 km (0.09 R)
• M13: 10,691,012 km (0.1 R)
• M14: 14,609,279 km (0.102 R)
• M15: 19,843,559 km (0.034 R)
• M16: 20,297,589 km (0.083 R)
• M17: 23,336,071 km (0.03 R)
• M18: 26,392,056 km (0.049 R)
• M19: 30,802,052 km (0.117 R)
• M20: 32,653,924 km (0.12 R)
• M21: 33,500,498 km (0.096 R)
• M22: 35,237,180 km (0.053 R)
• M23: 36,127,886 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 10.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.63 AU - 4.69 AU

Year: 6944 Days

Day: 6.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,195,133 km

• M1: 134,339 km (0.088 R)
• M2: 549,024 km (0.096 R)
• M3: 975,827 km (0.113 R)
• M4: 1,835,715 km (0.11 R)
• M5: 2,601,058 km (0.08 R)
• M6: 3,078,575 km (0.108 R)
• M7: 3,497,449 km (0.084 R)
• M8: 3,979,453 km (0.089 R)
• M9: 5,197,628 km (0.105 R)
• M10: 5,665,271 km (0.108 R)
• M11: 8,438,367 km (0.11 R)
• M12: 8,866,367 km (0.093 R)
• M13: 9,444,263 km (0.089 R)
• M14: 13,512,727 km (0.052 R)
• M15: 15,011,099 km (0.1 R)
• M16: 16,287,468 km (0.097 R)
• M17: 17,087,218 km (0.111 R)
• M18: 19,055,029 km (0.119 R)
• M19: 23,268,752 km (0.108 R)
• M20: 25,770,028 km (0.071 R)
• M21: 26,128,614 km (0.041 R)
• M22: 29,117,879 km (0.109 R)
• M23: 35,545,202 km (0.066 R)
• M24: 36,325,505 km (0.117 R)
• M25: 38,151,945 km (0.067 R)
• M26: 39,087,680 km (0.117 R)

Asteroid Belt

Center: 5.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901

Radius: 6.8

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.35 AU - 6.85 AU

Year: 11704 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,195,133 km

• M1: 87,814 km (0.103 R)
• M2: 375,790 km (0.115 R)
• M3: 962,214 km (0.099 R)
• M4: 1,282,652 km (0.112 R)
• M5: 1,641,388 km (0.111 R)
• M6: 2,139,698 km (0.041 R)
• M7: 2,476,144 km (0.118 R)
• M8: 3,434,169 km (0.057 R)
• M9: 4,399,524 km (0.075 R)
• M10: 4,747,488 km (0.117 R)
• M11: 5,251,484 km (0.096 R)
• M12: 5,534,672 km (0.117 R)
• M13: 6,092,822 km (0.069 R)
• M14: 9,103,479 km (0.105 R)
• M15: 10,984,373 km (0.092 R)
• M16: 11,924,895 km (0.089 R)
• M17: 13,045,982 km (0.091 R)
• M18: 14,717,139 km (0.116 R)
• M19: 15,640,308 km (0.054 R)
• M20: 20,754,161 km (0.1 R)
• M21: 22,834,769 km (0.08 R)
• M22: 24,070,297 km (0.089 R)
• M23: 24,557,089 km (0.051 R)
• M24: 25,853,504 km (0.036 R)
• M25: 28,043,318 km (0.077 R)
• M26: 30,922,029 km (0.064 R)
• M27: 31,266,404 km (0.117 R)
• M28: 35,600,254 km (0.092 R)
• M29: 37,258,846 km (0.076 R)
• M30: 37,648,698 km (0.096 R)
• M31: 38,834,859 km (0.1 R)
• M32: 41,004,776 km (0.069 R)
• M33: 43,254,280 km (0.078 R)
• M34: 45,288,811 km (0.044 R)
• M35: 45,584,566 km (0.097 R)
• M36: 46,030,666 km (0.037 R)
• M37: 50,019,394 km (0.082 R)
• M38: 53,075,829 km (0.093 R)
• M39: 55,405,965 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 5.9

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.98 AU - 7.84 AU

Year: 12538 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,195,133 km

• M1: 74,201 km (0.113 R)
• M2: 838,496 km (0.065 R)
• M3: 1,186,162 km (0.039 R)
• M4: 1,415,345 km (0.095 R)
• M5: 1,789,340 km (0.051 R)
• M6: 2,092,575 km (0.104 R)
• M7: 2,450,563 km (0.106 R)
• M8: 2,779,229 km (0.079 R)
• M9: 3,136,918 km (0.049 R)
• M10: 3,498,047 km (0.109 R)
• M11: 5,584,788 km (0.104 R)
• M12: 6,352,823 km (0.087 R)
• M13: 7,862,714 km (0.104 R)
• M14: 8,238,804 km (0.061 R)
• M15: 10,866,640 km (0.095 R)
• M16: 12,244,137 km (0.087 R)
• M17: 14,418,243 km (0.116 R)
• M18: 16,760,048 km (0.098 R)
• M19: 18,020,859 km (0.103 R)
• M20: 19,259,080 km (0.111 R)
• M21: 22,273,926 km (0.106 R)
• M22: 26,206,555 km (0.034 R)
• M23: 26,833,669 km (0.083 R)
• M24: 30,577,954 km (0.068 R)
• M25: 35,411,611 km (0.08 R)
• M26: 35,793,385 km (0.101 R)
• M27: 41,149,737 km (0.061 R)
• M28: 42,567,775 km (0.108 R)
• M29: 47,632,261 km (0.113 R)
• M30: 52,752,248 km (0.095 R)
• M31: 53,751,413 km (0.06 R)
• M32: 54,255,557 km (0.084 R)
• M33: 59,832,416 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.1

Radius: 4.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.74 AU - 10.84 AU

Year: 21144 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,195,133 km

• M1: 54,753 km (0.03 R)
• M2: 283,338 km (0.092 R)
• M3: 657,333 km (0.088 R)
• M4: 1,065,885 km (0.112 R)
• M5: 1,344,436 km (0.092 R)
• M6: 1,947,166 km (0.074 R)
• M7: 5,216,029 km (0.099 R)
• M8: 6,776,185 km (0.072 R)
• M9: 7,160,801 km (0.087 R)
• M10: 7,358,570 km (0.101 R)
• M11: 7,519,387 km (0.082 R)
• M12: 13,390,057 km (0.079 R)
• M13: 13,933,845 km (0.066 R)
• M14: 14,429,463 km (0.039 R)
• M15: 15,194,955 km (0.105 R)
• M16: 16,598,781 km (0.111 R)
• M17: 17,226,045 km (0.103 R)
• M18: 25,752,525 km (0.107 R)
• M19: 26,216,877 km (0.082 R)
• M20: 26,498,271 km (0.115 R)
• M21: 30,340,692 km (0.066 R)
• M22: 30,650,809 km (0.115 R)
• M23: 34,426,360 km (0.09 R)
• M24: 39,720,778 km (0.088 R)
• M25: 43,405,373 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit