🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 11.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.92 AU - 1.08 AU

Year: 656 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 64,938,152 km

• M1: 146,756 km (0.117 R)
• M2: 679,174 km (0.043 R)
• M3: 1,308,084 km (0.05 R)
• M4: 2,322,058 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 13.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.04 AU - 1.3 AU

Year: 830 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,938,152 km

• M1: 165,754 km (0.089 R)
• M2: 609,611 km (0.079 R)
• M3: 1,023,997 km (0.092 R)
• M4: 1,511,686 km (0.077 R)
• M5: 2,111,574 km (0.118 R)
• M6: 2,624,545 km (0.05 R)
• M7: 3,267,965 km (0.061 R)
• M8: 3,824,619 km (0.114 R)
• M9: 4,503,793 km (0.115 R)
• M10: 5,113,854 km (0.056 R)
• M11: 5,778,517 km (0.054 R)
• M12: 6,328,439 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 11.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.31 AU - 1.35 AU

Year: 1006 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,938,152 km

• M1: 140,622 km (0.037 R)
• M2: 497,413 km (0.111 R)
• M3: 863,629 km (0.096 R)
• M4: 1,315,264 km (0.074 R)
• M5: 2,240,827 km (0.115 R)
• M6: 2,726,421 km (0.085 R)
• M7: 3,088,598 km (0.094 R)
• M8: 3,542,029 km (0.06 R)
• M9: 4,566,325 km (0.066 R)
• M10: 5,023,796 km (0.059 R)
• M11: 5,451,646 km (0.097 R)
• M12: 5,882,637 km (0.091 R)
• M13: 7,762,783 km (0.112 R)
• M14: 8,150,840 km (0.038 R)
• M15: 8,798,449 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 9.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.13 AU - 3.99 AU

Year: 4406 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,938,152 km

• M1: 120,576 km (0.094 R)
• M2: 433,684 km (0.117 R)
• M3: 765,343 km (0.051 R)
• M4: 1,274,275 km (0.081 R)
• M5: 1,929,962 km (0.098 R)
• M6: 2,258,629 km (0.115 R)
• M7: 2,675,558 km (0.064 R)
• M8: 3,030,703 km (0.064 R)
• M9: 3,357,275 km (0.115 R)
• M10: 3,750,269 km (0.079 R)
• M11: 5,251,334 km (0.101 R)
• M12: 5,554,719 km (0.1 R)
• M13: 5,987,356 km (0.116 R)
• M14: 7,490,365 km (0.068 R)
• M15: 8,019,044 km (0.098 R)
• M16: 8,839,289 km (0.111 R)
• M17: 10,046,843 km (0.042 R)
• M18: 10,515,982 km (0.066 R)
• M19: 11,590,544 km (0.116 R)
• M20: 12,394,932 km (0.078 R)
• M21: 14,061,901 km (0.077 R)
• M22: 15,702,690 km (0.094 R)
• M23: 19,491,256 km (0.119 R)
• M24: 26,494,680 km (0.118 R)
• M25: 26,818,261 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 12.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.24 AU - 4.8 AU

Year: 6304 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,938,152 km

• M1: 170,093 km (0.061 R)
• M2: 2,033,933 km (0.098 R)
• M3: 3,137,965 km (0.073 R)
• M4: 4,198,614 km (0.038 R)
• M5: 5,152,001 km (0.092 R)
• M6: 6,833,182 km (0.111 R)
• M7: 7,514,451 km (0.093 R)
• M8: 9,335,356 km (0.09 R)
• M9: 14,304,997 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 10.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.68 AU - 4.94 AU

Year: 6920 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,938,152 km

• M1: 131,945 km (0.096 R)
• M2: 790,924 km (0.055 R)
• M3: 1,324,988 km (0.08 R)
• M4: 2,646,087 km (0.104 R)
• M5: 3,432,822 km (0.117 R)
• M6: 4,158,671 km (0.108 R)
• M7: 4,867,765 km (0.106 R)
• M8: 5,312,370 km (0.083 R)
• M9: 6,386,782 km (0.065 R)
• M10: 7,407,189 km (0.096 R)
• M11: 9,180,971 km (0.102 R)
• M12: 13,664,419 km (0.106 R)
• M13: 15,986,627 km (0.097 R)
• M14: 17,173,686 km (0.112 R)
• M15: 19,135,512 km (0.091 R)
• M16: 20,321,375 km (0.06 R)
• M17: 21,477,018 km (0.094 R)
• M18: 30,622,983 km (0.116 R)
• M19: 33,813,906 km (0.096 R)
• M20: 35,875,514 km (0.089 R)
• M21: 37,561,333 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 11.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.85 AU - 4.91 AU

Year: 7072 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,938,152 km

• M1: 148,551 km (0.068 R)
• M2: 624,870 km (0.054 R)
• M3: 1,419,983 km (0.104 R)
• M4: 2,012,989 km (0.097 R)
• M5: 3,272,154 km (0.103 R)
• M6: 3,648,542 km (0.107 R)
• M7: 4,221,054 km (0.108 R)
• M8: 6,455,148 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 9.2

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.76 AU - 6.18 AU

Year: 8392 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,938,152 km

• M1: 116,836 km (0.081 R)
• M2: 420,669 km (0.108 R)
• M3: 731,234 km (0.114 R)
• M4: 1,025,344 km (0.087 R)
• M5: 2,022,713 km (0.085 R)
• M6: 2,361,702 km (0.037 R)
• M7: 2,718,941 km (0.033 R)
• M8: 3,334,088 km (0.099 R)
• M9: 4,170,340 km (0.097 R)
• M10: 5,612,763 km (0.096 R)
• M11: 6,682,088 km (0.118 R)
• M12: 7,130,583 km (0.11 R)
• M13: 7,440,699 km (0.112 R)
• M14: 8,171,484 km (0.104 R)
• M15: 8,993,824 km (0.114 R)
• M16: 9,634,402 km (0.114 R)
• M17: 11,421,349 km (0.116 R)
• M18: 13,418,929 km (0.108 R)
• M19: 16,497,653 km (0.06 R)
• M20: 19,336,871 km (0.085 R)
• M21: 22,403,927 km (0.098 R)
• M22: 24,973,420 km (0.085 R)
• M23: 26,237,223 km (0.073 R)
• M24: 27,924,088 km (0.094 R)
• M25: 30,486,550 km (0.043 R)
• M26: 34,397,637 km (0.054 R)
• M27: 34,839,549 km (0.114 R)
• M28: 36,301,868 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.6

Radius: 6

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.62 AU - 7.2 AU

Year: 10646 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,938,152 km

• M1: 74,649 km (0.05 R)
• M2: 287,228 km (0.085 R)
• M3: 608,564 km (0.087 R)
• M4: 895,642 km (0.089 R)
• M5: 1,382,584 km (0.117 R)
• M6: 1,806,245 km (0.109 R)
• M7: 3,040,278 km (0.055 R)
• M8: 3,267,068 km (0.084 R)
• M9: 3,678,761 km (0.074 R)
• M10: 4,431,538 km (0.087 R)
• M11: 5,780,761 km (0.073 R)
• M12: 7,104,253 km (0.088 R)
• M13: 7,505,026 km (0.051 R)
• M14: 9,166,909 km (0.111 R)
• M15: 11,873,882 km (0.101 R)
• M16: 14,239,025 km (0.111 R)
• M17: 16,275,351 km (0.12 R)
• M18: 17,687,405 km (0.11 R)
• M19: 18,874,464 km (0.106 R)
• M20: 20,511,663 km (0.069 R)
• M21: 20,753,114 km (0.047 R)
• M22: 22,496,079 km (0.077 R)
• M23: 23,098,210 km (0.12 R)
• M24: 24,695,766 km (0.055 R)
• M25: 25,244,192 km (0.117 R)
• M26: 27,034,579 km (0.096 R)
• M27: 29,824,879 km (0.078 R)
• M28: 30,551,326 km (0.034 R)
• M29: 31,823,955 km (0.059 R)
• M30: 32,582,566 km (0.043 R)
• M31: 33,686,897 km (0.039 R)
• M32: 34,701,919 km (0.087 R)
• M33: 38,476,273 km (0.081 R)
• M34: 43,303,048 km (0.1 R)
• M35: 43,567,687 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.1

Radius: 5.5

Gravity: 20.5 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.28 AU - 9.94 AU

Year: 16573 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,938,152 km

• M1: 69,862 km (0.115 R)
• M2: 246,388 km (0.043 R)
• M3: 428,149 km (0.096 R)
• M4: 827,127 km (0.115 R)
• M5: 1,034,170 km (0.066 R)
• M6: 1,477,279 km (0.066 R)
• M7: 2,507,260 km (0.035 R)
• M8: 4,251,272 km (0.095 R)
• M9: 4,806,131 km (0.057 R)
• M10: 5,556,663 km (0.091 R)
• M11: 5,901,187 km (0.044 R)
• M12: 7,153,172 km (0.109 R)
• M13: 10,454,198 km (0.104 R)
• M14: 10,627,283 km (0.118 R)
• M15: 11,218,195 km (0.096 R)
• M16: 12,856,591 km (0.096 R)
• M17: 13,527,238 km (0.076 R)
• M18: 14,648,175 km (0.098 R)
• M19: 15,528,708 km (0.114 R)
• M20: 16,288,815 km (0.099 R)
• M21: 17,153,490 km (0.113 R)
• M22: 18,803,106 km (0.035 R)
• M23: 19,842,063 km (0.112 R)
• M24: 21,378,733 km (0.075 R)
• M25: 23,285,956 km (0.115 R)
• M26: 26,676,143 km (0.084 R)
• M27: 26,891,564 km (0.067 R)
• M28: 29,683,509 km (0.087 R)
• M29: 34,288,131 km (0.113 R)
• M30: 41,907,600 km (0.075 R)
• M31: 43,080,596 km (0.105 R)
• M32: 45,338,627 km (0.069 R)
• M33: 52,584,250 km (0.095 R)
• M34: 57,820,475 km (0.076 R)
• M35: 62,440,954 km (0.06 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: 156 - 10,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit