🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 11.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.7 AU - 1 AU

Year: 523 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,725,259 km

• M1: 145,708 km (0.107 R)
• M2: 667,655 km (0.104 R)
• M3: 1,031,477 km (0.103 R)
• M4: 1,518,119 km (0.117 R)
• M5: 1,917,097 km (0.087 R)
• M6: 2,327,593 km (0.074 R)
• M7: 3,172,073 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 11.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.01 AU - 1.51 AU

Year: 943 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,725,259 km

• M1: 144,512 km (0.092 R)
• M2: 524,490 km (0.095 R)
• M3: 962,812 km (0.057 R)
• M4: 1,385,426 km (0.085 R)
• M5: 2,101,401 km (0.101 R)
• M6: 2,469,562 km (0.061 R)
• M7: 3,077,228 km (0.12 R)
• M8: 3,939,062 km (0.113 R)
• M9: 4,435,577 km (0.074 R)
• M10: 4,992,380 km (0.025 R)
• M11: 5,737,976 km (0.116 R)
• M12: 6,159,393 km (0.093 R)
• M13: 6,761,225 km (0.079 R)
• M14: 7,160,053 km (0.083 R)
• M15: 8,108,803 km (0.12 R)
• M16: 8,613,546 km (0.111 R)
• M17: 9,224,205 km (0.026 R)
• M18: 9,863,586 km (0.039 R)
• M19: 10,255,084 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 12

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.25 AU - 1.37 AU

Year: 1000 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,725,259 km

• M1: 149,299 km (0.057 R)
• M2: 702,512 km (0.074 R)
• M3: 1,986,809 km (0.093 R)
• M4: 2,561,864 km (0.043 R)
• M5: 3,013,948 km (0.115 R)
• M6: 3,519,140 km (0.105 R)
• M7: 3,934,873 km (0.084 R)
• M8: 5,304,890 km (0.105 R)
• M9: 6,876,715 km (0.04 R)
• M10: 7,706,684 km (0.063 R)
• M11: 8,711,832 km (0.114 R)
• M12: 9,275,068 km (0.114 R)
• M13: 10,165,175 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.8

Radius: 8.7

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.39 AU - 1.55 AU

Year: 1189 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,725,259 km

• M1: 108,458 km (0.087 R)
• M2: 629,209 km (0.105 R)
• M3: 1,019,509 km (0.115 R)
• M4: 1,330,823 km (0.097 R)
• M5: 3,028,310 km (0.063 R)
• M6: 3,869,199 km (0.054 R)
• M7: 4,327,268 km (0.116 R)
• M8: 8,421,762 km (0.075 R)
• M9: 9,889,167 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 13.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.18 AU - 3.94 AU

Year: 4479 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 111 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,725,259 km

• M1: 171,439 km (0.036 R)
• M2: 1,011,431 km (0.11 R)
• M3: 1,580,950 km (0.109 R)
• M4: 2,563,060 km (0.09 R)
• M5: 3,688,934 km (0.109 R)
• M6: 4,576,049 km (0.097 R)
• M7: 5,683,522 km (0.059 R)
• M8: 6,587,841 km (0.091 R)
• M9: 7,253,402 km (0.101 R)
• M10: 7,755,902 km (0.066 R)
• M11: 8,210,230 km (0.117 R)
• M12: 9,172,593 km (0.074 R)
• M13: 9,681,226 km (0.098 R)
• M14: 10,670,068 km (0.084 R)
• M15: 11,101,508 km (0.082 R)
• M16: 12,045,621 km (0.059 R)
• M17: 12,800,491 km (0.096 R)
• M18: 14,456,689 km (0.088 R)
• M19: 15,527,810 km (0.066 R)
• M20: 16,026,719 km (0.109 R)
• M21: 18,375,256 km (0.075 R)
• M22: 18,996,386 km (0.099 R)
• M23: 21,967,400 km (0.071 R)
• M24: 23,022,963 km (0.058 R)
• M25: 24,632,187 km (0.041 R)
• M26: 25,235,515 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 10.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.61 AU - 4.75 AU

Year: 5699 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,725,259 km

• M1: 133,142 km (0.053 R)
• M2: 844,480 km (0.058 R)
• M3: 1,688,062 km (0.077 R)
• M4: 2,166,177 km (0.03 R)
• M5: 4,018,199 km (0.088 R)
• M6: 4,472,827 km (0.109 R)
• M7: 5,018,111 km (0.119 R)
• M8: 6,441,385 km (0.053 R)
• M9: 6,888,533 km (0.077 R)
• M10: 7,845,361 km (0.062 R)
• M11: 8,680,865 km (0.079 R)
• M12: 9,099,141 km (0.082 R)
• M13: 15,407,234 km (0.097 R)
• M14: 15,959,250 km (0.115 R)
• M15: 16,715,767 km (0.097 R)
• M16: 18,711,552 km (0.052 R)
• M17: 19,199,241 km (0.108 R)
• M18: 20,345,759 km (0.066 R)
• M19: 21,842,486 km (0.064 R)
• M20: 23,331,134 km (0.059 R)
• M21: 24,141,207 km (0.094 R)
• M22: 24,802,729 km (0.075 R)
• M23: 25,391,396 km (0.063 R)
• M24: 25,989,339 km (0.076 R)
• M25: 31,899,801 km (0.107 R)
• M26: 32,496,098 km (0.11 R)
• M27: 33,404,307 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351

Radius: 12.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.66 AU - 4.84 AU

Year: 6904 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,725,259 km

• M1: 153,039 km (0.101 R)
• M2: 618,737 km (0.057 R)
• M3: 1,166,863 km (0.117 R)
• M4: 2,473,601 km (0.076 R)
• M5: 3,638,370 km (0.117 R)
• M6: 4,107,060 km (0.071 R)
• M7: 4,978,168 km (0.108 R)
• M8: 6,029,243 km (0.119 R)
• M9: 8,188,688 km (0.093 R)
• M10: 9,117,990 km (0.096 R)
• M11: 11,796,390 km (0.1 R)
• M12: 14,961,283 km (0.083 R)
• M13: 17,631,455 km (0.118 R)
• M14: 20,053,445 km (0.059 R)
• M15: 20,884,461 km (0.112 R)
• M16: 24,129,089 km (0.093 R)
• M17: 24,753,062 km (0.088 R)
• M18: 25,709,441 km (0.09 R)
• M19: 27,526,307 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712

Radius: 3.2

Gravity: 69.53 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.36 AU - 10.14 AU

Year: 18760 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,725,259 km

• M1: 41,289 km (0.115 R)
• M2: 177,124 km (0.072 R)
• M3: 293,960 km (0.062 R)
• M4: 477,516 km (0.071 R)
• M5: 794,065 km (0.08 R)
• M6: 1,730,698 km (0.078 R)
• M7: 1,896,602 km (0.12 R)
• M8: 3,778,842 km (0.117 R)
• M9: 6,414,009 km (0.081 R)
• M10: 6,947,325 km (0.092 R)
• M11: 8,203,349 km (0.096 R)
• M12: 8,618,333 km (0.038 R)
• M13: 8,831,062 km (0.119 R)
• M14: 10,843,901 km (0.035 R)
• M15: 11,217,148 km (0.108 R)
• M16: 12,321,180 km (0.103 R)
• M17: 13,353,555 km (0.119 R)
• M18: 16,224,637 km (0.101 R)
• M19: 20,499,546 km (0.108 R)
• M20: 26,683,623 km (0.109 R)
• M21: 33,739,705 km (0.096 R)
• M22: 41,489,324 km (0.098 R)
• M23: 43,169,458 km (0.091 R)
• M24: 48,481,229 km (0.063 R)
• M25: 49,153,223 km (0.119 R)
• M26: 49,491,464 km (0.104 R)
• M27: 51,206,454 km (0.094 R)
• M28: 51,903,430 km (0.096 R)
• M29: 61,546,958 km (0.067 R)
• M30: 63,129,105 km (0.116 R)
• M31: 67,410,745 km (0.072 R)
• M32: 71,231,325 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.4

Radius: 6.9

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.49 AU - 11.37 AU

Year: 20867 Days

Day: 19 Hours

Environment

Temp: -245 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,725,259 km

• M1: 90,956 km (0.073 R)
• M2: 321,187 km (0.088 R)
• M3: 706,102 km (0.114 R)
• M4: 1,084,136 km (0.06 R)
• M5: 3,206,780 km (0.064 R)
• M6: 5,244,602 km (0.055 R)
• M7: 5,652,705 km (0.102 R)
• M8: 7,399,559 km (0.117 R)
• M9: 8,505,537 km (0.096 R)
• M10: 14,039,760 km (0.11 R)
• M11: 14,666,874 km (0.117 R)
• M12: 17,811,870 km (0.062 R)
• M13: 19,589,542 km (0.037 R)
• M14: 19,880,659 km (0.084 R)
• M15: 21,791,772 km (0.082 R)
• M16: 23,384,541 km (0.078 R)
• M17: 25,627,013 km (0.088 R)
• M18: 35,599,356 km (0.066 R)
• M19: 55,441,420 km (0.097 R)
• M20: 56,807,398 km (0.053 R)
• M21: 60,833,525 km (0.111 R)
• M22: 66,783,631 km (0.108 R)
• M23: 68,775,676 km (0.064 R)
• M24: 69,448,268 km (0.096 R)
• M25: 78,109,237 km (0.089 R)
• M26: 82,067,447 km (0.033 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 10,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit