🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 13.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.15 AU - 1.81 AU

Year: 1181 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,692,084 km

• M1: 163,062 km (0.108 R)
• M2: 646,113 km (0.095 R)
• M3: 1,169,706 km (0.1 R)
• M4: 1,607,579 km (0.102 R)
• M5: 2,676,306 km (0.115 R)
• M6: 3,120,312 km (0.057 R)
• M7: 3,694,170 km (0.082 R)
• M8: 4,889,158 km (0.064 R)
• M9: 5,416,341 km (0.07 R)
• M10: 6,114,364 km (0.111 R)
• M11: 7,403,150 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 9.7

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.06 AU - 3.24 AU

Year: 2830 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,692,084 km

• M1: 122,969 km (0.104 R)
• M2: 444,156 km (0.094 R)
• M3: 810,072 km (0.106 R)
• M4: 1,165,367 km (0.094 R)
• M5: 2,354,970 km (0.102 R)
• M6: 3,468,875 km (0.1 R)
• M7: 4,279,546 km (0.083 R)
• M8: 4,650,848 km (0.085 R)
• M9: 4,972,633 km (0.05 R)
• M10: 5,483,510 km (0.062 R)
• M11: 6,002,166 km (0.108 R)
• M12: 7,017,935 km (0.088 R)
• M13: 7,567,109 km (0.118 R)
• M14: 9,101,086 km (0.037 R)
• M15: 10,713,152 km (0.084 R)
• M16: 11,154,466 km (0.094 R)
• M17: 11,902,755 km (0.115 R)
• M18: 12,463,747 km (0.114 R)
• M19: 14,591,328 km (0.081 R)
• M20: 17,221,108 km (0.046 R)
• M21: 18,107,326 km (0.071 R)
• M22: 18,447,362 km (0.093 R)
• M23: 19,434,259 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84

Radius: 12.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.99 AU - 3.37 AU

Year: 3720 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,692,084 km

• M1: 154,535 km (0.031 R)
• M2: 726,447 km (0.073 R)
• M3: 1,121,236 km (0.086 R)
• M4: 1,507,797 km (0.117 R)
• M5: 1,995,935 km (0.113 R)
• M6: 2,576,823 km (0.111 R)
• M7: 3,418,162 km (0.071 R)
• M8: 5,204,061 km (0.098 R)
• M9: 5,794,225 km (0.113 R)
• M10: 6,196,942 km (0.11 R)
• M11: 8,845,273 km (0.084 R)
• M12: 9,718,775 km (0.113 R)
• M13: 10,748,457 km (0.039 R)
• M14: 11,567,356 km (0.108 R)
• M15: 11,956,460 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 11.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.62 AU - 4.2 AU

Year: 4131 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,692,084 km

• M1: 143,165 km (0.03 R)
• M2: 606,769 km (0.052 R)
• M3: 1,389,764 km (0.047 R)
• M4: 1,764,956 km (0.111 R)
• M5: 2,378,457 km (0.094 R)
• M6: 2,779,977 km (0.118 R)
• M7: 3,447,633 km (0.091 R)
• M8: 4,583,828 km (0.114 R)
• M9: 4,969,342 km (0.07 R)
• M10: 5,602,889 km (0.069 R)
• M11: 7,511,309 km (0.088 R)
• M12: 8,123,015 km (0.08 R)
• M13: 9,652,354 km (0.104 R)
• M14: 10,116,406 km (0.069 R)
• M15: 12,269,868 km (0.119 R)
• M16: 13,068,122 km (0.039 R)
• M17: 14,879,004 km (0.114 R)
• M18: 15,271,699 km (0.115 R)
• M19: 18,538,019 km (0.069 R)
• M20: 20,471,721 km (0.082 R)
• M21: 21,027,925 km (0.042 R)
• M22: 21,737,468 km (0.082 R)
• M23: 22,536,321 km (0.082 R)
• M24: 27,577,320 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 9.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.39 AU - 5.19 AU

Year: 5829 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,692,084 km

• M1: 120,277 km (0.107 R)
• M2: 464,352 km (0.086 R)
• M3: 915,389 km (0.074 R)
• M4: 1,624,184 km (0.073 R)
• M5: 1,982,321 km (0.064 R)
• M6: 4,287,325 km (0.117 R)
• M7: 5,714,190 km (0.099 R)
• M8: 6,455,148 km (0.088 R)
• M9: 6,983,677 km (0.086 R)
• M10: 7,540,929 km (0.06 R)
• M11: 7,904,153 km (0.12 R)
• M12: 9,145,516 km (0.12 R)
• M13: 9,727,602 km (0.052 R)
• M14: 10,920,046 km (0.102 R)
• M15: 11,527,713 km (0.053 R)
• M16: 20,470,225 km (0.057 R)
• M17: 25,207,540 km (0.085 R)
• M18: 26,434,542 km (0.041 R)
• M19: 27,958,795 km (0.117 R)
• M20: 30,353,857 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 13.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.28 AU - 4.68 AU

Year: 6221 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,692,084 km

• M1: 175,628 km (0.085 R)
• M2: 610,808 km (0.042 R)
• M3: 2,078,962 km (0.086 R)
• M4: 2,680,345 km (0.086 R)
• M5: 3,696,414 km (0.113 R)
• M6: 4,305,427 km (0.091 R)
• M7: 7,473,610 km (0.05 R)
• M8: 8,164,154 km (0.092 R)
• M9: 10,878,159 km (0.062 R)
• M10: 15,864,256 km (0.114 R)
• M11: 20,762,539 km (0.101 R)
• M12: 23,993,254 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 14.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.29 AU - 5.45 AU

Year: 8163 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,692,084 km

• M1: 182,809 km (0.074 R)
• M2: 800,797 km (0.064 R)
• M3: 1,982,321 km (0.095 R)
• M4: 2,845,052 km (0.078 R)
• M5: 3,399,612 km (0.086 R)
• M6: 4,438,868 km (0.116 R)
• M7: 5,158,434 km (0.111 R)
• M8: 5,816,664 km (0.101 R)
• M9: 8,091,001 km (0.081 R)
• M10: 9,644,126 km (0.111 R)
• M11: 10,750,253 km (0.079 R)
• M12: 13,947,458 km (0.046 R)
• M13: 16,309,908 km (0.066 R)
• M14: 17,082,132 km (0.088 R)
• M15: 18,026,244 km (0.074 R)
• M16: 21,481,207 km (0.086 R)
• M17: 22,753,687 km (0.095 R)
• M18: 23,276,531 km (0.062 R)
• M19: 26,488,098 km (0.102 R)
• M20: 27,359,506 km (0.09 R)
• M21: 28,651,882 km (0.105 R)
• M22: 30,193,189 km (0.028 R)
• M23: 32,442,991 km (0.045 R)
• M24: 34,917,789 km (0.038 R)
• M25: 36,083,306 km (0.099 R)
• M26: 37,395,129 km (0.096 R)
• M27: 39,359,798 km (0.104 R)
• M28: 39,861,549 km (0.092 R)
• M29: 44,165,181 km (0.049 R)
• M30: 44,843,159 km (0.054 R)
• M31: 46,220,057 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.1

Radius: 7.5

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.87 AU - 7.11 AU

Year: 10846 Days

Day: 22 Hours

Environment

Temp: -214 °C

Axial Tilt: 127 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,692,084 km

• M1: 95,593 km (0.032 R)
• M2: 397,930 km (0.113 R)
• M3: 1,121,535 km (0.12 R)
• M4: 2,356,166 km (0.085 R)
• M5: 2,734,799 km (0.078 R)
• M6: 2,994,501 km (0.107 R)
• M7: 3,464,088 km (0.093 R)
• M8: 4,063,826 km (0.051 R)
• M9: 6,317,518 km (0.049 R)
• M10: 6,891,076 km (0.091 R)
• M11: 7,415,866 km (0.025 R)
• M12: 7,837,432 km (0.101 R)
• M13: 9,198,474 km (0.042 R)
• M14: 9,488,544 km (0.106 R)
• M15: 10,291,885 km (0.114 R)
• M16: 10,710,310 km (0.083 R)
• M17: 11,085,651 km (0.065 R)
• M18: 11,805,965 km (0.092 R)
• M19: 12,206,438 km (0.087 R)
• M20: 12,794,358 km (0.077 R)
• M21: 16,300,184 km (0.064 R)
• M22: 18,963,325 km (0.071 R)
• M23: 19,671,970 km (0.101 R)
• M24: 20,643,908 km (0.106 R)
• M25: 21,058,294 km (0.115 R)
• M26: 24,024,221 km (0.093 R)
• M27: 25,416,977 km (0.04 R)
• M28: 26,471,942 km (0.074 R)
• M29: 27,456,146 km (0.107 R)
• M30: 29,706,846 km (0.119 R)
• M31: 31,310,236 km (0.06 R)
• M32: 34,921,828 km (0.057 R)
• M33: 39,306,093 km (0.117 R)
• M34: 43,363,935 km (0.054 R)

Asteroid Belt

Center: 7.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.8

Radius: 5.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.19 AU - 9.59 AU

Year: 14539 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,692,084 km

• M1: 73,453 km (0.066 R)
• M2: 354,098 km (0.072 R)
• M3: 1,436,588 km (0.043 R)
• M4: 1,862,942 km (0.033 R)
• M5: 5,198,077 km (0.097 R)
• M6: 6,395,907 km (0.101 R)
• M7: 7,240,986 km (0.117 R)
• M8: 12,290,662 km (0.082 R)
• M9: 19,497,689 km (0.116 R)
• M10: 20,735,611 km (0.077 R)
• M11: 25,952,987 km (0.084 R)
• M12: 29,001,642 km (0.098 R)
• M13: 31,586,543 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 17,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit