🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.4

Radius: 9.1

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 1087 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,189,187 km

• M1: 116,537 km (0.115 R)
• M2: 461,061 km (0.072 R)
• M3: 892,351 km (0.106 R)
• M4: 1,796,820 km (0.055 R)
• M5: 2,148,375 km (0.027 R)
• M6: 2,762,624 km (0.103 R)
• M7: 3,352,638 km (0.106 R)
• M8: 5,527,193 km (0.091 R)
• M9: 6,846,945 km (0.088 R)
• M10: 7,845,212 km (0.093 R)
• M11: 8,705,698 km (0.068 R)
• M12: 10,482,472 km (0.08 R)
• M13: 11,805,516 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 11.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.05 AU - 2.35 AU

Year: 2141 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,189,187 km

• M1: 143,016 km (0.089 R)
• M2: 518,357 km (0.106 R)
• M3: 973,134 km (0.109 R)
• M4: 1,548,637 km (0.087 R)
• M5: 2,394,613 km (0.097 R)
• M6: 3,357,275 km (0.116 R)
• M7: 3,918,118 km (0.048 R)
• M8: 4,854,750 km (0.076 R)
• M9: 5,480,219 km (0.096 R)
• M10: 6,033,581 km (0.102 R)
• M11: 6,597,565 km (0.07 R)
• M12: 7,084,806 km (0.064 R)
• M13: 8,101,323 km (0.094 R)
• M14: 10,279,019 km (0.06 R)
• M15: 10,823,855 km (0.088 R)
• M16: 11,273,546 km (0.12 R)
• M17: 11,735,654 km (0.046 R)
• M18: 13,156,235 km (0.084 R)
• M19: 13,798,908 km (0.12 R)
• M20: 14,372,615 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 11

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.44 AU - 2.88 AU

Year: 2846 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,189,187 km

• M1: 138,528 km (0.108 R)
• M2: 520,301 km (0.094 R)
• M3: 906,563 km (0.091 R)
• M4: 1,499,120 km (0.056 R)
• M5: 2,379,653 km (0.107 R)
• M6: 2,728,964 km (0.039 R)
• M7: 3,379,715 km (0.077 R)
• M8: 4,242,446 km (0.046 R)
• M9: 4,657,131 km (0.088 R)
• M10: 5,320,747 km (0.102 R)
• M11: 5,944,571 km (0.116 R)
• M12: 6,337,564 km (0.056 R)
• M13: 7,670,182 km (0.09 R)
• M14: 8,832,557 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 12.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.73 AU - 3.57 AU

Year: 3668 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,189,187 km

• M1: 161,267 km (0.108 R)
• M2: 638,933 km (0.118 R)
• M3: 1,181,225 km (0.116 R)
• M4: 1,602,343 km (0.112 R)
• M5: 2,345,096 km (0.09 R)
• M6: 2,883,499 km (0.1 R)
• M7: 3,504,031 km (0.065 R)
• M8: 4,281,192 km (0.106 R)
• M9: 4,988,191 km (0.12 R)
• M10: 6,921,145 km (0.049 R)
• M11: 8,885,665 km (0.092 R)
• M12: 10,079,456 km (0.089 R)
• M13: 10,628,779 km (0.102 R)
• M14: 12,783,736 km (0.096 R)
• M15: 16,109,895 km (0.102 R)
• M16: 16,686,296 km (0.101 R)
• M17: 17,216,920 km (0.111 R)
• M18: 19,452,510 km (0.118 R)
• M19: 22,156,492 km (0.072 R)
• M20: 22,725,861 km (0.05 R)
• M21: 23,968,421 km (0.116 R)
• M22: 24,720,151 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 13.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.11 AU - 4.41 AU

Year: 5768 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,189,187 km

• M1: 164,408 km (0.071 R)
• M2: 665,860 km (0.087 R)
• M3: 1,160,431 km (0.101 R)
• M4: 1,799,363 km (0.118 R)
• M5: 2,372,622 km (0.066 R)
• M6: 3,049,702 km (0.102 R)
• M7: 3,658,416 km (0.048 R)
• M8: 5,097,398 km (0.105 R)
• M9: 5,669,909 km (0.079 R)
• M10: 6,855,921 km (0.114 R)
• M11: 8,267,526 km (0.119 R)
• M12: 9,940,629 km (0.112 R)
• M13: 11,575,734 km (0.11 R)
• M14: 12,260,293 km (0.115 R)
• M15: 15,020,374 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.3

Radius: 6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.03 AU - 7.63 AU

Year: 10448 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,189,187 km

• M1: 74,649 km (0.104 R)
• M2: 308,172 km (0.057 R)
• M3: 533,765 km (0.095 R)
• M4: 854,204 km (0.116 R)
• M5: 1,131,110 km (0.097 R)
• M6: 1,404,574 km (0.033 R)
• M7: 2,390,574 km (0.088 R)
• M8: 3,919,913 km (0.085 R)
• M9: 5,875,157 km (0.057 R)
• M10: 7,249,513 km (0.079 R)
• M11: 7,555,889 km (0.056 R)
• M12: 7,791,207 km (0.064 R)
• M13: 10,422,334 km (0.107 R)
• M14: 10,911,968 km (0.11 R)
• M15: 13,080,688 km (0.034 R)
• M16: 13,999,668 km (0.072 R)
• M17: 15,965,833 km (0.096 R)
• M18: 16,484,638 km (0.093 R)
• M19: 17,900,133 km (0.045 R)
• M20: 18,530,838 km (0.1 R)
• M21: 20,587,958 km (0.051 R)
• M22: 21,514,268 km (0.071 R)
• M23: 23,367,187 km (0.072 R)
• M24: 24,975,963 km (0.115 R)
• M25: 27,387,032 km (0.113 R)
• M26: 28,696,312 km (0.1 R)
• M27: 30,046,732 km (0.11 R)
• M28: 31,036,921 km (0.066 R)
• M29: 33,924,908 km (0.053 R)
• M30: 34,137,785 km (0.091 R)
• M31: 34,889,963 km (0.092 R)
• M32: 35,434,051 km (0.093 R)
• M33: 36,316,080 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.7

Radius: 7.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.49 AU - 8.31 AU

Year: 13206 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,189,187 km

• M1: 89,609 km (0.099 R)
• M2: 480,808 km (0.096 R)
• M3: 1,165,517 km (0.032 R)
• M4: 1,447,958 km (0.12 R)
• M5: 1,675,496 km (0.101 R)
• M6: 2,086,591 km (0.118 R)
• M7: 2,525,810 km (0.11 R)
• M8: 4,218,810 km (0.05 R)
• M9: 4,950,942 km (0.099 R)
• M10: 6,343,399 km (0.066 R)
• M11: 7,072,688 km (0.102 R)
• M12: 7,735,407 km (0.113 R)
• M13: 8,610,405 km (0.063 R)
• M14: 9,320,247 km (0.116 R)
• M15: 10,309,986 km (0.11 R)
• M16: 14,913,412 km (0.053 R)
• M17: 15,227,866 km (0.065 R)
• M18: 15,675,613 km (0.11 R)
• M19: 18,985,615 km (0.115 R)
• M20: 20,415,472 km (0.106 R)
• M21: 22,486,355 km (0.033 R)
• M22: 32,911,532 km (0.045 R)
• M23: 37,341,274 km (0.037 R)
• M24: 39,939,340 km (0.088 R)
• M25: 40,668,331 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 6

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.03 AU - 7.81 AU

Year: 13259 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,189,187 km

• M1: 74,649 km (0.05 R)
• M2: 284,685 km (0.051 R)
• M3: 474,076 km (0.112 R)
• M4: 718,668 km (0.086 R)
• M5: 1,271,582 km (0.117 R)
• M6: 1,770,790 km (0.119 R)
• M7: 3,010,208 km (0.108 R)
• M8: 4,586,671 km (0.12 R)
• M9: 5,781,359 km (0.059 R)
• M10: 6,146,977 km (0.05 R)
• M11: 7,128,937 km (0.045 R)
• M12: 8,075,891 km (0.086 R)
• M13: 8,911,096 km (0.115 R)
• M14: 9,349,568 km (0.12 R)
• M15: 11,588,300 km (0.112 R)
• M16: 12,169,637 km (0.103 R)
• M17: 13,202,311 km (0.117 R)
• M18: 14,160,934 km (0.064 R)
• M19: 17,996,923 km (0.111 R)
• M20: 19,014,189 km (0.102 R)
• M21: 19,658,806 km (0.092 R)
• M22: 19,904,296 km (0.09 R)
• M23: 22,741,270 km (0.076 R)
• M24: 23,284,609 km (0.119 R)
• M25: 24,491,266 km (0.087 R)
• M26: 24,870,796 km (0.103 R)
• M27: 29,414,831 km (0.088 R)
• M28: 35,804,306 km (0.03 R)
• M29: 39,061,949 km (0.046 R)
• M30: 46,448,194 km (0.08 R)
• M31: 49,404,248 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.1

Radius: 5

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.16 AU - 10.28 AU

Year: 18366 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,189,187 km

• M1: 63,130 km (0.093 R)
• M2: 322,533 km (0.095 R)
• M3: 711,188 km (0.095 R)
• M4: 935,585 km (0.101 R)
• M5: 1,118,992 km (0.113 R)
• M6: 1,923,679 km (0.106 R)
• M7: 2,107,236 km (0.065 R)
• M8: 2,282,415 km (0.075 R)
• M9: 2,488,561 km (0.079 R)
• M10: 2,729,563 km (0.086 R)
• M11: 3,997,554 km (0.077 R)
• M12: 4,359,731 km (0.085 R)
• M13: 4,645,313 km (0.089 R)
• M14: 5,011,379 km (0.093 R)
• M15: 5,219,021 km (0.089 R)
• M16: 7,533,001 km (0.116 R)
• M17: 11,080,415 km (0.043 R)
• M18: 11,374,076 km (0.088 R)
• M19: 11,552,696 km (0.085 R)
• M20: 13,844,535 km (0.089 R)
• M21: 17,664,666 km (0.099 R)
• M22: 18,884,786 km (0.037 R)
• M23: 22,317,908 km (0.11 R)
• M24: 24,328,503 km (0.117 R)
• M25: 24,824,271 km (0.036 R)
• M26: 25,326,920 km (0.092 R)
• M27: 26,456,533 km (0.032 R)
• M28: 33,335,791 km (0.076 R)
• M29: 36,468,819 km (0.117 R)
• M30: 39,112,363 km (0.103 R)
• M31: 39,929,616 km (0.11 R)
• M32: 40,204,577 km (0.109 R)
• M33: 53,926,442 km (0.118 R)
• M34: 54,262,439 km (0.095 R)
• M35: 59,113,449 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 12,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit