🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.6

Radius: 10.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.67 AU - 1.11 AU

Year: 590 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,620,616 km

• M1: 131,796 km (0.053 R)
• M2: 573,857 km (0.112 R)
• M3: 1,055,712 km (0.117 R)
• M4: 1,683,574 km (0.1 R)
• M5: 2,052,333 km (0.093 R)
• M6: 2,525,810 km (0.111 R)
• M7: 3,422,799 km (0.113 R)
• M8: 3,841,823 km (0.069 R)
• M9: 4,192,929 km (0.085 R)
• M10: 5,058,353 km (0.076 R)
• M11: 5,909,714 km (0.1 R)
• M12: 6,264,411 km (0.084 R)
• M13: 6,693,009 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 10.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.87 AU - 1.35 AU

Year: 822 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,620,616 km

• M1: 130,599 km (0.062 R)
• M2: 528,380 km (0.105 R)
• M3: 871,856 km (0.101 R)
• M4: 1,209,948 km (0.104 R)
• M5: 1,572,124 km (0.105 R)
• M6: 1,950,008 km (0.088 R)
• M7: 2,355,867 km (0.112 R)
• M8: 2,685,282 km (0.037 R)
• M9: 3,163,845 km (0.064 R)
• M10: 3,834,193 km (0.086 R)
• M11: 4,293,309 km (0.086 R)
• M12: 4,700,814 km (0.12 R)
• M13: 6,574,378 km (0.093 R)
• M14: 8,063,325 km (0.099 R)
• M15: 8,606,366 km (0.052 R)
• M16: 9,256,667 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 10.3

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.11 AU - 1.19 AU

Year: 867 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,620,616 km

• M1: 128,056 km (0.045 R)
• M2: 574,157 km (0.111 R)
• M3: 988,094 km (0.101 R)
• M4: 1,408,614 km (0.098 R)
• M5: 1,742,666 km (0.114 R)
• M6: 2,230,654 km (0.057 R)
• M7: 2,942,740 km (0.069 R)
• M8: 3,359,220 km (0.058 R)
• M9: 3,711,673 km (0.092 R)
• M10: 5,136,443 km (0.093 R)
• M11: 5,723,166 km (0.093 R)
• M12: 6,763,320 km (0.086 R)
• M13: 8,197,365 km (0.052 R)
• M14: 8,656,930 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 10.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.73 AU - 3.51 AU

Year: 3874 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,620,616 km

• M1: 133,142 km (0.025 R)
• M2: 509,530 km (0.104 R)
• M3: 1,151,455 km (0.066 R)
• M4: 2,033,933 km (0.103 R)
• M5: 2,466,420 km (0.09 R)
• M6: 2,835,179 km (0.071 R)
• M7: 3,397,816 km (0.055 R)
• M8: 3,791,558 km (0.066 R)
• M9: 5,081,092 km (0.115 R)
• M10: 6,090,429 km (0.103 R)
• M11: 7,568,306 km (0.089 R)
• M12: 8,997,863 km (0.081 R)
• M13: 9,391,754 km (0.08 R)
• M14: 12,480,651 km (0.109 R)
• M15: 13,070,815 km (0.086 R)
• M16: 13,679,528 km (0.072 R)
• M17: 14,844,597 km (0.029 R)
• M18: 15,789,307 km (0.065 R)
• M19: 18,672,956 km (0.108 R)
• M20: 23,556,279 km (0.105 R)
• M21: 24,763,684 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 11.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.74 AU - 4.8 AU

Year: 6202 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,620,616 km

• M1: 148,551 km (0.095 R)
• M2: 720,015 km (0.091 R)
• M3: 1,273,377 km (0.075 R)
• M4: 2,282,265 km (0.107 R)
• M5: 2,655,961 km (0.095 R)
• M6: 3,070,945 km (0.079 R)
• M7: 3,621,914 km (0.074 R)
• M8: 4,186,197 km (0.096 R)
• M9: 4,696,027 km (0.101 R)
• M10: 6,583,802 km (0.067 R)
• M11: 8,136,179 km (0.115 R)
• M12: 8,633,592 km (0.083 R)
• M13: 9,643,827 km (0.092 R)
• M14: 10,059,858 km (0.103 R)
• M15: 11,279,380 km (0.098 R)
• M16: 11,951,224 km (0.077 R)
• M17: 13,148,755 km (0.093 R)
• M18: 14,665,378 km (0.078 R)
• M19: 15,909,135 km (0.101 R)
• M20: 17,154,537 km (0.05 R)
• M21: 17,835,657 km (0.091 R)
• M22: 18,605,637 km (0.095 R)
• M23: 21,515,016 km (0.086 R)
• M24: 22,873,365 km (0.117 R)
• M25: 25,584,078 km (0.087 R)
• M26: 27,291,289 km (0.043 R)
• M27: 27,845,848 km (0.113 R)
• M28: 30,732,040 km (0.106 R)
• M29: 31,231,847 km (0.093 R)
• M30: 32,763,579 km (0.112 R)
• M31: 33,285,227 km (0.086 R)
• M32: 36,979,995 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 14.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.95 AU - 4.75 AU

Year: 6377 Days

Day: 6.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,620,616 km

• M1: 179,517 km (0.108 R)
• M2: 920,326 km (0.077 R)
• M3: 1,418,188 km (0.116 R)
• M4: 2,100,504 km (0.092 R)
• M5: 2,603,452 km (0.062 R)
• M6: 3,168,034 km (0.074 R)
• M7: 3,660,660 km (0.109 R)
• M8: 5,629,667 km (0.098 R)
• M9: 6,108,679 km (0.103 R)
• M10: 6,745,667 km (0.09 R)
• M11: 7,217,798 km (0.094 R)
• M12: 8,534,409 km (0.119 R)
• M13: 9,209,395 km (0.104 R)
• M14: 11,450,371 km (0.086 R)
• M15: 12,622,320 km (0.063 R)
• M16: 13,237,467 km (0.1 R)
• M17: 15,376,417 km (0.084 R)
• M18: 16,257,399 km (0.108 R)
• M19: 17,171,891 km (0.108 R)
• M20: 17,673,492 km (0.091 R)
• M21: 19,439,196 km (0.087 R)
• M22: 21,608,365 km (0.067 R)
• M23: 22,193,443 km (0.07 R)
• M24: 23,702,436 km (0.074 R)
• M25: 27,092,773 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.3

Radius: 7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.01 AU - 5.93 AU

Year: 8993 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,620,616 km

• M1: 108,608 km (0.034 R)
• M2: 826,827 km (0.075 R)
• M3: 1,196,035 km (0.087 R)
• M4: 2,565,603 km (0.092 R)
• M5: 2,832,187 km (0.072 R)
• M6: 3,332,741 km (0.104 R)
• M7: 3,651,086 km (0.099 R)
• M8: 4,563,633 km (0.082 R)
• M9: 5,102,484 km (0.102 R)
• M10: 5,557,262 km (0.055 R)
• M11: 6,005,756 km (0.074 R)
• M12: 7,728,525 km (0.088 R)
• M13: 8,004,683 km (0.042 R)
• M14: 8,410,691 km (0.09 R)
• M15: 9,440,972 km (0.112 R)
• M16: 9,711,295 km (0.085 R)
• M17: 9,940,479 km (0.114 R)
• M18: 10,991,853 km (0.093 R)
• M19: 11,442,741 km (0.109 R)
• M20: 12,115,632 km (0.091 R)
• M21: 12,488,729 km (0.079 R)
• M22: 12,814,554 km (0.12 R)
• M23: 14,470,153 km (0.081 R)
• M24: 15,944,291 km (0.111 R)
• M25: 16,783,236 km (0.112 R)
• M26: 20,887,603 km (0.11 R)
• M27: 23,580,215 km (0.106 R)
• M28: 23,994,900 km (0.088 R)
• M29: 33,759,602 km (0.116 R)
• M30: 35,899,151 km (0.113 R)
• M31: 36,890,835 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.9

Radius: 7.3

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.08 AU - 7.68 AU

Year: 12685 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,620,616 km

• M1: 99,183 km (0.091 R)
• M2: 493,374 km (0.102 R)
• M3: 820,694 km (0.109 R)
• M4: 1,977,534 km (0.086 R)
• M5: 3,262,430 km (0.036 R)
• M6: 3,616,529 km (0.112 R)
• M7: 4,583,679 km (0.061 R)
• M8: 4,834,255 km (0.055 R)
• M9: 5,432,198 km (0.119 R)
• M10: 5,749,046 km (0.104 R)
• M11: 7,872,139 km (0.083 R)
• M12: 10,362,046 km (0.086 R)
• M13: 11,072,038 km (0.081 R)
• M14: 13,652,302 km (0.057 R)
• M15: 15,116,117 km (0.08 R)
• M16: 15,532,747 km (0.092 R)
• M17: 16,316,640 km (0.065 R)
• M18: 16,755,111 km (0.112 R)
• M19: 17,503,400 km (0.114 R)
• M20: 22,110,715 km (0.101 R)
• M21: 23,469,662 km (0.12 R)
• M22: 24,405,995 km (0.045 R)
• M23: 25,856,795 km (0.067 R)
• M24: 27,261,818 km (0.094 R)
• M25: 29,463,899 km (0.117 R)
• M26: 33,043,178 km (0.049 R)
• M27: 33,392,938 km (0.07 R)
• M28: 34,337,648 km (0.101 R)
• M29: 34,696,384 km (0.117 R)
• M30: 36,033,490 km (0.119 R)
• M31: 36,528,060 km (0.059 R)
• M32: 41,185,341 km (0.052 R)
• M33: 50,569,167 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.9

Radius: 7.2

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.57 AU - 9.23 AU

Year: 14150 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,620,616 km

• M1: 97,538 km (0.12 R)
• M2: 397,781 km (0.079 R)
• M3: 683,363 km (0.113 R)
• M4: 1,555,668 km (0.057 R)
• M5: 1,924,577 km (0.104 R)
• M6: 2,350,931 km (0.103 R)
• M7: 2,771,301 km (0.041 R)
• M8: 2,999,737 km (0.102 R)
• M9: 4,872,253 km (0.117 R)
• M10: 5,240,862 km (0.045 R)
• M11: 5,700,427 km (0.09 R)
• M12: 7,588,502 km (0.076 R)
• M13: 8,038,193 km (0.101 R)
• M14: 9,701,572 km (0.026 R)
• M15: 10,836,571 km (0.073 R)
• M16: 12,608,109 km (0.091 R)
• M17: 14,770,396 km (0.106 R)
• M18: 15,048,199 km (0.03 R)
• M19: 15,400,353 km (0.102 R)
• M20: 21,721,611 km (0.094 R)
• M21: 25,897,785 km (0.093 R)
• M22: 27,645,238 km (0.101 R)
• M23: 29,360,228 km (0.107 R)
• M24: 32,296,535 km (0.049 R)
• M25: 32,530,207 km (0.08 R)
• M26: 37,701,805 km (0.083 R)
• M27: 45,122,009 km (0.059 R)
• M28: 52,647,231 km (0.089 R)
• M29: 53,133,424 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 18,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit