🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 14.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.16 AU - 1.46 AU

Year: 1000 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,035,487 km

• M1: 185,352 km (0.098 R)
• M2: 652,845 km (0.078 R)
• M3: 1,387,221 km (0.07 R)
• M4: 2,114,716 km (0.098 R)
• M5: 2,862,106 km (0.115 R)
• M6: 3,400,509 km (0.117 R)
• M7: 3,876,829 km (0.117 R)
• M8: 4,557,798 km (0.082 R)
• M9: 5,178,779 km (0.113 R)
• M10: 5,686,664 km (0.052 R)
• M11: 6,850,685 km (0.074 R)
• M12: 7,850,148 km (0.087 R)
• M13: 8,412,786 km (0.077 R)
• M14: 9,649,362 km (0.108 R)
• M15: 10,139,295 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 12.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.38 AU - 1.96 AU

Year: 1439 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,035,487 km

• M1: 175,030 km (0.106 R)
• M2: 633,996 km (0.078 R)
• M3: 1,476,681 km (0.116 R)
• M4: 2,124,589 km (0.101 R)
• M5: 3,145,445 km (0.108 R)
• M6: 3,666,195 km (0.069 R)
• M7: 5,171,598 km (0.06 R)
• M8: 6,181,833 km (0.098 R)
• M9: 9,077,449 km (0.09 R)
• M10: 10,509,998 km (0.097 R)
• M11: 11,497,045 km (0.071 R)
• M12: 12,467,935 km (0.106 R)
• M13: 12,855,543 km (0.095 R)
• M14: 13,371,506 km (0.118 R)
• M15: 13,942,671 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 12.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.47 AU - 2.05 AU

Year: 1557 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,035,487 km

• M1: 159,172 km (0.056 R)
• M2: 720,463 km (0.12 R)
• M3: 1,184,067 km (0.068 R)
• M4: 2,409,423 km (0.045 R)
• M5: 3,079,323 km (0.077 R)
• M6: 3,643,606 km (0.103 R)
• M7: 5,023,796 km (0.111 R)
• M8: 5,463,015 km (0.101 R)
• M9: 6,727,267 km (0.108 R)
• M10: 7,289,904 km (0.107 R)
• M11: 10,169,214 km (0.119 R)
• M12: 11,167,032 km (0.091 R)
• M13: 14,864,194 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 13.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.51 AU - 2.45 AU

Year: 1858 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,035,487 km

• M1: 172,935 km (0.082 R)
• M2: 620,682 km (0.056 R)
• M3: 1,422,676 km (0.112 R)
• M4: 2,002,667 km (0.109 R)
• M5: 3,203,190 km (0.116 R)
• M6: 3,667,841 km (0.057 R)
• M7: 4,860,435 km (0.079 R)
• M8: 5,363,832 km (0.107 R)
• M9: 5,999,323 km (0.094 R)
• M10: 6,553,883 km (0.069 R)
• M11: 7,506,821 km (0.076 R)
• M12: 8,457,216 km (0.103 R)
• M13: 9,123,376 km (0.068 R)
• M14: 10,311,632 km (0.115 R)
• M15: 10,814,879 km (0.112 R)
• M16: 11,485,975 km (0.077 R)
• M17: 13,796,364 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 15

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.08 AU - 3.2 AU

Year: 3710 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,035,487 km

• M1: 196,871 km (0.056 R)
• M2: 703,409 km (0.103 R)
• M3: 1,173,745 km (0.116 R)
• M4: 2,371,874 km (0.105 R)
• M5: 3,666,195 km (0.059 R)
• M6: 4,280,145 km (0.117 R)
• M7: 4,757,063 km (0.113 R)
• M8: 5,564,592 km (0.032 R)
• M9: 6,462,179 km (0.057 R)
• M10: 7,242,183 km (0.057 R)
• M11: 7,859,872 km (0.099 R)
• M12: 10,967,020 km (0.048 R)
• M13: 11,867,300 km (0.057 R)
• M14: 12,860,480 km (0.065 R)
• M15: 17,614,551 km (0.106 R)
• M16: 19,724,330 km (0.053 R)
• M17: 20,322,422 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.1

Radius: 7.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.37 AU - 6.79 AU

Year: 9997 Days

Day: 19.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,035,487 km

• M1: 88,263 km (0.119 R)
• M2: 317,746 km (0.094 R)
• M3: 743,053 km (0.099 R)
• M4: 1,043,445 km (0.079 R)
• M5: 1,340,846 km (0.088 R)
• M6: 1,879,099 km (0.045 R)
• M7: 3,036,837 km (0.114 R)
• M8: 3,268,414 km (0.111 R)
• M9: 4,161,214 km (0.119 R)
• M10: 4,501,101 km (0.073 R)
• M11: 4,803,139 km (0.065 R)
• M12: 5,031,276 km (0.09 R)
• M13: 7,311,147 km (0.079 R)
• M14: 8,406,503 km (0.103 R)
• M15: 8,780,797 km (0.064 R)
• M16: 9,209,694 km (0.061 R)
• M17: 9,787,889 km (0.104 R)
• M18: 10,202,276 km (0.075 R)
• M19: 11,925,643 km (0.116 R)
• M20: 17,364,274 km (0.112 R)
• M21: 18,593,071 km (0.093 R)
• M22: 22,546,194 km (0.079 R)
• M23: 23,106,887 km (0.099 R)
• M24: 25,100,279 km (0.062 R)
• M25: 26,402,678 km (0.087 R)
• M26: 33,183,351 km (0.087 R)
• M27: 36,148,530 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.2

Radius: 4.6

Gravity: 37.01 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.34 AU - 6.86 AU

Year: 10047 Days

Day: 22.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,035,487 km

• M1: 57,146 km (0.084 R)
• M2: 244,293 km (0.092 R)
• M3: 390,899 km (0.112 R)
• M4: 621,729 km (0.107 R)
• M5: 929,751 km (0.041 R)
• M6: 1,269,338 km (0.1 R)
• M7: 1,413,101 km (0.085 R)
• M8: 2,560,068 km (0.1 R)
• M9: 4,306,175 km (0.092 R)
• M10: 4,881,977 km (0.087 R)
• M11: 5,473,487 km (0.056 R)
• M12: 5,751,290 km (0.109 R)
• M13: 6,563,457 km (0.105 R)
• M14: 8,596,342 km (0.093 R)
• M15: 10,689,366 km (0.074 R)
• M16: 12,555,001 km (0.057 R)
• M17: 13,912,752 km (0.115 R)
• M18: 14,759,625 km (0.1 R)
• M19: 17,804,839 km (0.118 R)
• M20: 19,433,811 km (0.119 R)
• M21: 22,452,845 km (0.029 R)
• M22: 25,196,021 km (0.062 R)
• M23: 26,353,161 km (0.101 R)
• M24: 26,845,487 km (0.109 R)
• M25: 27,950,417 km (0.118 R)
• M26: 28,669,086 km (0.099 R)
• M27: 29,085,267 km (0.106 R)
• M28: 35,700,485 km (0.099 R)
• M29: 37,405,152 km (0.085 R)
• M30: 44,767,462 km (0.059 R)
• M31: 45,750,619 km (0.1 R)
• M32: 46,604,673 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.3

Radius: 7.9

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.78 AU - 7.38 AU

Year: 11256 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,035,487 km

• M1: 99,632 km (0.088 R)
• M2: 639,232 km (0.103 R)
• M3: 948,750 km (0.118 R)
• M4: 1,612,515 km (0.04 R)
• M5: 2,314,279 km (0.118 R)
• M6: 2,595,972 km (0.085 R)
• M7: 2,946,031 km (0.066 R)
• M8: 3,427,736 km (0.093 R)
• M9: 3,933,078 km (0.052 R)
• M10: 5,895,502 km (0.095 R)
• M11: 6,660,845 km (0.099 R)
• M12: 7,752,461 km (0.103 R)
• M13: 9,105,873 km (0.085 R)
• M14: 10,126,579 km (0.068 R)
• M15: 10,829,689 km (0.079 R)
• M16: 11,797,886 km (0.098 R)
• M17: 15,325,554 km (0.104 R)
• M18: 16,179,309 km (0.116 R)
• M19: 17,671,996 km (0.087 R)
• M20: 19,581,763 km (0.107 R)
• M21: 23,712,758 km (0.111 R)
• M22: 29,458,813 km (0.05 R)
• M23: 31,224,367 km (0.096 R)
• M24: 39,650,467 km (0.071 R)
• M25: 41,120,116 km (0.103 R)
• M26: 46,476,767 km (0.073 R)
• M27: 48,410,918 km (0.042 R)
• M28: 49,168,931 km (0.103 R)
• M29: 54,371,795 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.7

Radius: 5.6

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.38 AU - 8.42 AU

Year: 12087 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,035,487 km

• M1: 71,059 km (0.104 R)
• M2: 295,456 km (0.118 R)
• M3: 588,368 km (0.109 R)
• M4: 845,228 km (0.052 R)
• M5: 1,573,770 km (0.066 R)
• M6: 2,536,282 km (0.105 R)
• M7: 4,081,329 km (0.099 R)
• M8: 4,563,483 km (0.047 R)
• M9: 5,114,452 km (0.096 R)
• M10: 5,572,670 km (0.071 R)
• M11: 6,022,511 km (0.102 R)
• M12: 6,915,910 km (0.097 R)
• M13: 7,683,347 km (0.1 R)
• M14: 8,066,018 km (0.082 R)
• M15: 8,240,300 km (0.064 R)
• M16: 9,196,080 km (0.114 R)
• M17: 10,634,613 km (0.054 R)
• M18: 11,003,223 km (0.088 R)
• M19: 11,434,663 km (0.109 R)
• M20: 12,504,736 km (0.112 R)
• M21: 13,887,470 km (0.116 R)
• M22: 14,391,465 km (0.101 R)
• M23: 15,840,171 km (0.11 R)
• M24: 16,044,970 km (0.085 R)
• M25: 17,239,060 km (0.12 R)
• M26: 18,340,998 km (0.084 R)
• M27: 20,441,203 km (0.094 R)
• M28: 22,267,045 km (0.05 R)
• M29: 25,765,840 km (0.059 R)
• M30: 28,392,030 km (0.074 R)
• M31: 30,343,385 km (0.102 R)
• M32: 35,202,174 km (0.101 R)
• M33: 36,493,204 km (0.03 R)
• M34: 39,920,940 km (0.089 R)
• M35: 41,324,467 km (0.102 R)
• M36: 44,771,651 km (0.05 R)
• M37: 46,425,455 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.1

Radius: 4.2

Gravity: 34.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.19 AU - 11.31 AU

Year: 18760 Days

Day: 20 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,035,487 km

• M1: 52,210 km (0.116 R)
• M2: 344,225 km (0.095 R)
• M3: 629,059 km (0.045 R)
• M4: 1,339,948 km (0.089 R)
• M5: 1,588,430 km (0.114 R)
• M6: 2,410,620 km (0.105 R)
• M7: 3,156,814 km (0.058 R)
• M8: 3,862,168 km (0.106 R)
• M9: 4,014,908 km (0.034 R)
• M10: 4,840,389 km (0.067 R)
• M11: 5,274,223 km (0.038 R)
• M12: 6,344,745 km (0.034 R)
• M13: 6,998,338 km (0.082 R)
• M14: 7,791,805 km (0.07 R)
• M15: 9,835,761 km (0.109 R)
• M16: 10,063,748 km (0.069 R)
• M17: 13,012,621 km (0.067 R)
• M18: 13,706,755 km (0.081 R)
• M19: 16,731,175 km (0.118 R)
• M20: 17,886,819 km (0.084 R)
• M21: 20,447,785 km (0.05 R)
• M22: 21,195,026 km (0.073 R)
• M23: 24,574,592 km (0.084 R)
• M24: 31,138,498 km (0.103 R)
• M25: 32,376,719 km (0.109 R)
• M26: 34,035,311 km (0.061 R)
• M27: 36,559,775 km (0.096 R)
• M28: 43,030,631 km (0.082 R)
• M29: 45,032,998 km (0.102 R)
• M30: 46,935,584 km (0.04 R)
• M31: 54,016,051 km (0.113 R)
• M32: 58,179,210 km (0.12 R)
• M33: 62,941,359 km (0.064 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: 479 - 10,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit