🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 9.6

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.29 AU - 1.57 AU

Year: 1160 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,499,343 km

• M1: 119,977 km (0.103 R)
• M2: 441,912 km (0.104 R)
• M3: 905,067 km (0.111 R)
• M4: 1,419,235 km (0.082 R)
• M5: 1,992,195 km (0.107 R)
• M6: 2,309,791 km (0.075 R)
• M7: 2,648,630 km (0.07 R)
• M8: 3,708,531 km (0.095 R)
• M9: 4,316,796 km (0.088 R)
• M10: 5,862,591 km (0.112 R)
• M11: 6,381,696 km (0.092 R)
• M12: 8,712,879 km (0.086 R)
• M13: 9,091,063 km (0.071 R)
• M14: 10,259,871 km (0.103 R)
• M15: 10,747,859 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.8

Radius: 13.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.26 AU - 2.36 AU

Year: 2381 Days

Day: 7.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,499,343 km

• M1: 171,589 km (0.088 R)
• M2: 641,625 km (0.111 R)
• M3: 1,204,113 km (0.115 R)
• M4: 1,747,303 km (0.119 R)
• M5: 2,321,460 km (0.108 R)
• M6: 2,912,521 km (0.116 R)
• M7: 3,378,219 km (0.032 R)
• M8: 4,083,872 km (0.114 R)
• M9: 4,777,558 km (0.105 R)
• M10: 5,360,092 km (0.105 R)
• M11: 8,274,109 km (0.107 R)
• M12: 9,184,412 km (0.095 R)
• M13: 11,089,391 km (0.086 R)
• M14: 12,442,803 km (0.116 R)
• M15: 13,992,936 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 11.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.1 AU - 3.36 AU

Year: 3059 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,499,343 km

• M1: 144,212 km (0.051 R)
• M2: 826,229 km (0.114 R)
• M3: 1,303,147 km (0.074 R)
• M4: 1,828,684 km (0.107 R)
• M5: 2,537,479 km (0.115 R)
• M6: 3,804,573 km (0.098 R)
• M7: 4,302,285 km (0.108 R)
• M8: 5,303,245 km (0.108 R)
• M9: 5,952,948 km (0.097 R)
• M10: 8,635,387 km (0.088 R)
• M11: 9,387,416 km (0.089 R)
• M12: 10,378,502 km (0.105 R)
• M13: 11,228,816 km (0.079 R)
• M14: 14,598,508 km (0.047 R)
• M15: 15,253,148 km (0.082 R)
• M16: 15,979,895 km (0.103 R)
• M17: 17,335,102 km (0.057 R)
• M18: 17,784,644 km (0.102 R)
• M19: 20,459,304 km (0.084 R)
• M20: 21,600,736 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.5

Radius: 8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.66 AU - 4.38 AU

Year: 4479 Days

Day: 9.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,499,343 km

• M1: 99,483 km (0.099 R)
• M2: 719,117 km (0.106 R)
• M3: 983,307 km (0.112 R)
• M4: 1,330,523 km (0.12 R)
• M5: 1,895,106 km (0.119 R)
• M6: 2,154,957 km (0.104 R)
• M7: 3,067,355 km (0.036 R)
• M8: 3,363,409 km (0.092 R)
• M9: 4,724,002 km (0.104 R)
• M10: 11,987,577 km (0.111 R)
• M11: 13,617,445 km (0.119 R)
• M12: 14,249,048 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 11.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.35 AU - 5.63 AU

Year: 7560 Days

Day: 13.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,499,343 km

• M1: 141,819 km (0.119 R)
• M2: 1,123,779 km (0.119 R)
• M3: 1,747,004 km (0.035 R)
• M4: 2,769,655 km (0.102 R)
• M5: 4,930,596 km (0.111 R)
• M6: 5,412,002 km (0.106 R)
• M7: 5,862,591 km (0.116 R)
• M8: 6,241,074 km (0.073 R)
• M9: 8,704,352 km (0.074 R)
• M10: 9,798,062 km (0.088 R)
• M11: 10,332,725 km (0.078 R)
• M12: 14,409,417 km (0.056 R)
• M13: 15,337,073 km (0.081 R)
• M14: 20,366,703 km (0.063 R)
• M15: 26,741,667 km (0.089 R)
• M16: 27,260,921 km (0.088 R)
• M17: 29,497,409 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.8

Radius: 3.1

Gravity: 68.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.24 AU - 7.9 AU

Year: 12750 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 119.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,499,343 km

• M1: 38,596 km (0.109 R)
• M2: 166,054 km (0.084 R)
• M3: 265,686 km (0.045 R)
• M4: 401,221 km (0.12 R)
• M5: 605,123 km (0.06 R)
• M6: 749,037 km (0.12 R)
• M7: 854,054 km (0.082 R)
• M8: 1,255,874 km (0.1 R)
• M9: 1,476,681 km (0.097 R)
• M10: 1,643,033 km (0.086 R)
• M11: 2,104,692 km (0.105 R)
• M12: 2,582,957 km (0.106 R)
• M13: 2,986,273 km (0.065 R)
• M14: 3,178,506 km (0.099 R)
• M15: 4,205,944 km (0.119 R)
• M16: 5,401,082 km (0.095 R)
• M17: 5,614,109 km (0.084 R)
• M18: 7,137,913 km (0.094 R)
• M19: 7,265,520 km (0.089 R)
• M20: 9,518,613 km (0.105 R)
• M21: 9,881,837 km (0.044 R)
• M22: 11,778,588 km (0.092 R)
• M23: 14,237,379 km (0.084 R)
• M24: 15,057,624 km (0.093 R)
• M25: 15,981,241 km (0.099 R)
• M26: 18,734,889 km (0.101 R)
• M27: 20,308,360 km (0.09 R)
• M28: 24,670,783 km (0.116 R)
• M29: 27,275,731 km (0.09 R)
• M30: 31,290,040 km (0.078 R)
• M31: 32,671,876 km (0.104 R)
• M32: 35,556,871 km (0.062 R)
• M33: 36,053,536 km (0.099 R)
• M34: 37,188,086 km (0.116 R)
• M35: 41,551,856 km (0.062 R)
• M36: 43,643,384 km (0.09 R)
• M37: 52,711,857 km (0.067 R)
• M38: 55,492,133 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 6

Gravity: 21.03 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.95 AU - 8.69 AU

Year: 14832 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,499,343 km

• M1: 74,649 km (0.044 R)
• M2: 328,517 km (0.062 R)
• M3: 878,588 km (0.082 R)
• M4: 1,443,021 km (0.088 R)
• M5: 1,761,216 km (0.12 R)
• M6: 3,028,609 km (0.062 R)
• M7: 4,164,057 km (0.118 R)
• M8: 4,776,660 km (0.093 R)
• M9: 5,484,408 km (0.085 R)
• M10: 7,602,564 km (0.09 R)
• M11: 10,785,857 km (0.077 R)
• M12: 11,021,324 km (0.029 R)
• M13: 11,380,808 km (0.082 R)
• M14: 12,766,383 km (0.034 R)
• M15: 12,963,703 km (0.11 R)
• M16: 14,831,881 km (0.111 R)
• M17: 15,943,842 km (0.053 R)
• M18: 19,093,027 km (0.057 R)
• M19: 20,949,387 km (0.117 R)
• M20: 25,637,784 km (0.115 R)
• M21: 26,057,406 km (0.073 R)
• M22: 26,802,703 km (0.1 R)
• M23: 28,002,627 km (0.12 R)
• M24: 29,695,925 km (0.08 R)
• M25: 30,392,004 km (0.077 R)
• M26: 35,571,830 km (0.104 R)
• M27: 40,455,303 km (0.086 R)
• M28: 42,032,065 km (0.061 R)
• M29: 46,384,765 km (0.116 R)
• M30: 49,880,418 km (0.104 R)
• M31: 51,859,299 km (0.069 R)
• M32: 55,797,163 km (0.044 R)
• M33: 56,678,893 km (0.098 R)
• M34: 57,212,210 km (0.104 R)
• M35: 61,413,666 km (0.107 R)
• M36: 63,493,974 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.7

Radius: 7.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.2 AU - 9.66 AU

Year: 18100 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,499,343 km

• M1: 95,892 km (0.085 R)
• M2: 565,031 km (0.029 R)
• M3: 1,200,972 km (0.119 R)
• M4: 2,824,707 km (0.071 R)
• M5: 3,321,073 km (0.106 R)
• M6: 3,922,905 km (0.065 R)
• M7: 5,713,292 km (0.093 R)
• M8: 6,002,615 km (0.068 R)
• M9: 6,301,810 km (0.093 R)
• M10: 7,185,485 km (0.119 R)
• M11: 7,447,132 km (0.059 R)
• M12: 7,989,573 km (0.083 R)
• M13: 8,311,059 km (0.118 R)
• M14: 9,730,145 km (0.104 R)
• M15: 10,050,733 km (0.048 R)
• M16: 11,709,474 km (0.043 R)
• M17: 12,389,396 km (0.111 R)
• M18: 14,058,609 km (0.087 R)
• M19: 14,706,518 km (0.053 R)
• M20: 17,498,762 km (0.098 R)
• M21: 19,521,026 km (0.032 R)
• M22: 20,625,806 km (0.103 R)
• M23: 21,462,208 km (0.098 R)
• M24: 27,503,120 km (0.059 R)
• M25: 31,304,551 km (0.088 R)
• M26: 32,509,861 km (0.117 R)
• M27: 36,092,730 km (0.066 R)
• M28: 36,530,902 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98

Radius: 7.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.85 AU - 10.05 AU

Year: 18160 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,499,343 km

• M1: 99,632 km (0.053 R)
• M2: 435,629 km (0.081 R)
• M3: 765,193 km (0.027 R)
• M4: 1,520,214 km (0.098 R)
• M5: 1,832,275 km (0.086 R)
• M6: 2,269,848 km (0.086 R)
• M7: 2,586,697 km (0.111 R)
• M8: 2,993,453 km (0.113 R)
• M9: 3,266,320 km (0.05 R)
• M10: 4,186,347 km (0.086 R)
• M11: 4,860,884 km (0.064 R)
• M12: 5,389,862 km (0.115 R)
• M13: 6,254,537 km (0.111 R)
• M14: 10,796,478 km (0.049 R)
• M15: 11,799,083 km (0.104 R)
• M16: 17,488,440 km (0.089 R)
• M17: 19,512,050 km (0.096 R)
• M18: 20,995,612 km (0.07 R)
• M19: 26,869,124 km (0.109 R)
• M20: 29,649,550 km (0.11 R)
• M21: 33,025,974 km (0.097 R)
• M22: 34,276,313 km (0.082 R)
• M23: 36,760,535 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.4

Radius: 6.8

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.89 AU - 10.69 AU

Year: 20776 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,499,343 km

• M1: 84,523 km (0.108 R)
• M2: 311,313 km (0.104 R)
• M3: 822,489 km (0.101 R)
• M4: 1,237,025 km (0.115 R)
• M5: 1,585,438 km (0.084 R)
• M6: 2,143,289 km (0.086 R)
• M7: 3,201,694 km (0.102 R)
• M8: 3,581,223 km (0.102 R)
• M9: 3,893,135 km (0.109 R)
• M10: 4,939,422 km (0.046 R)
• M11: 6,610,580 km (0.106 R)
• M12: 7,324,461 km (0.069 R)
• M13: 7,776,845 km (0.11 R)
• M14: 8,036,098 km (0.095 R)
• M15: 8,626,860 km (0.118 R)
• M16: 10,447,616 km (0.076 R)
• M17: 11,216,549 km (0.105 R)
• M18: 11,547,759 km (0.084 R)
• M19: 16,132,634 km (0.117 R)
• M20: 18,685,223 km (0.111 R)
• M21: 21,292,863 km (0.108 R)
• M22: 23,266,957 km (0.09 R)
• M23: 27,455,398 km (0.057 R)
• M24: 30,682,074 km (0.112 R)
• M25: 31,461,180 km (0.11 R)
• M26: 38,773,075 km (0.073 R)
• M27: 48,351,827 km (0.099 R)
• M28: 51,560,701 km (0.065 R)
• M29: 55,098,841 km (0.067 R)
• M30: 56,056,267 km (0.089 R)
• M31: 59,393,945 km (0.069 R)
• M32: 64,328,281 km (0.12 R)
• M33: 66,247,023 km (0.104 R)
• M34: 74,769,315 km (0.055 R)
• M35: 76,652,154 km (0.106 R)
• M36: 78,807,709 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 18,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit