🌌 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: 238.5

Radius: 11.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.42 AU - 1.44 AU

Year: 1087 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,679,960 km

• M1: 141,819 km (0.118 R)
• M2: 496,515 km (0.054 R)
• M3: 856,747 km (0.112 R)
• M4: 1,283,400 km (0.079 R)
• M5: 1,659,040 km (0.083 R)
• M6: 2,072,379 km (0.1 R)
• M7: 3,111,187 km (0.111 R)
• M8: 3,873,388 km (0.094 R)
• M9: 4,360,180 km (0.095 R)
• M10: 5,350,368 km (0.1 R)
• M11: 6,226,114 km (0.098 R)
• M12: 6,854,425 km (0.115 R)
• M13: 7,238,293 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 11.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.24 AU - 2.06 AU

Year: 1348 Days

Day: 5.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,679,960 km

• M1: 144,212 km (0.079 R)
• M2: 517,309 km (0.032 R)
• M3: 1,034,918 km (0.097 R)
• M4: 1,407,417 km (0.1 R)
• M5: 1,973,944 km (0.056 R)
• M6: 2,376,661 km (0.089 R)
• M7: 3,397,068 km (0.047 R)
• M8: 4,462,504 km (0.043 R)
• M9: 5,022,599 km (0.044 R)
• M10: 5,629,218 km (0.101 R)
• M11: 6,029,841 km (0.109 R)
• M12: 6,666,680 km (0.106 R)
• M13: 7,772,956 km (0.098 R)
• M14: 8,672,937 km (0.115 R)
• M15: 10,916,456 km (0.09 R)
• M16: 11,330,692 km (0.085 R)
• M17: 11,755,550 km (0.056 R)

Asteroid Belt

Center: 2.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 14.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.84 AU - 2.98 AU

Year: 2379 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,679,960 km

• M1: 185,501 km (0.079 R)
• M2: 755,469 km (0.091 R)
• M3: 1,279,211 km (0.054 R)
• M4: 1,760,767 km (0.072 R)
• M5: 2,311,736 km (0.086 R)
• M6: 3,790,212 km (0.072 R)
• M7: 4,333,252 km (0.109 R)
• M8: 4,882,127 km (0.09 R)
• M9: 5,502,359 km (0.1 R)
• M10: 6,672,215 km (0.064 R)
• M11: 7,316,533 km (0.07 R)
• M12: 8,494,018 km (0.109 R)
• M13: 9,538,659 km (0.117 R)
• M14: 10,824,603 km (0.059 R)
• M15: 12,744,542 km (0.102 R)
• M16: 13,554,614 km (0.075 R)
• M17: 15,277,683 km (0.108 R)
• M18: 16,192,025 km (0.053 R)
• M19: 17,304,734 km (0.079 R)
• M20: 19,446,975 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 11.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.5 AU - 3.86 AU

Year: 3606 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,679,960 km

• M1: 144,512 km (0.111 R)
• M2: 507,885 km (0.09 R)
• M3: 922,869 km (0.104 R)
• M4: 1,823,598 km (0.073 R)
• M5: 3,003,327 km (0.107 R)
• M6: 3,865,011 km (0.109 R)
• M7: 4,548,224 km (0.116 R)
• M8: 5,213,486 km (0.116 R)
• M9: 5,607,676 km (0.087 R)
• M10: 6,263,663 km (0.098 R)
• M11: 12,375,035 km (0.055 R)
• M12: 19,772,799 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 9.7

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.61 AU - 3.65 AU

Year: 4397 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,679,960 km

• M1: 120,576 km (0.115 R)
• M2: 626,067 km (0.119 R)
• M3: 1,026,241 km (0.111 R)
• M4: 1,457,981 km (0.034 R)
• M5: 1,926,372 km (0.076 R)
• M6: 2,318,318 km (0.069 R)
• M7: 3,225,330 km (0.109 R)
• M8: 3,847,358 km (0.026 R)
• M9: 5,302,497 km (0.051 R)
• M10: 6,260,970 km (0.09 R)
• M11: 7,094,230 km (0.056 R)
• M12: 7,677,961 km (0.09 R)
• M13: 8,072,600 km (0.115 R)
• M14: 9,257,715 km (0.057 R)
• M15: 10,819,816 km (0.094 R)
• M16: 11,133,971 km (0.06 R)
• M17: 11,780,832 km (0.086 R)
• M18: 12,599,581 km (0.118 R)
• M19: 13,662,923 km (0.098 R)
• M20: 14,296,769 km (0.096 R)
• M21: 14,784,907 km (0.115 R)
• M22: 15,284,115 km (0.055 R)
• M23: 16,909,646 km (0.092 R)
• M24: 20,775,255 km (0.083 R)
• M25: 22,328,978 km (0.095 R)
• M26: 23,208,464 km (0.106 R)
• M27: 24,880,519 km (0.101 R)
• M28: 26,876,305 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 8.2

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.39 AU - 4.93 AU

Year: 6396 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,679,960 km

• M1: 102,026 km (0.099 R)
• M2: 367,712 km (0.073 R)
• M3: 1,339,350 km (0.049 R)
• M4: 1,677,291 km (0.09 R)
• M5: 2,687,526 km (0.071 R)
• M6: 3,048,206 km (0.088 R)
• M7: 3,774,653 km (0.113 R)
• M8: 4,033,009 km (0.087 R)
• M9: 5,597,055 km (0.091 R)
• M10: 6,349,682 km (0.086 R)
• M11: 7,097,372 km (0.106 R)
• M12: 7,492,460 km (0.104 R)
• M13: 9,096,299 km (0.116 R)
• M14: 10,916,905 km (0.084 R)
• M15: 11,298,529 km (0.038 R)
• M16: 11,987,876 km (0.091 R)
• M17: 13,833,764 km (0.108 R)
• M18: 14,112,166 km (0.102 R)
• M19: 17,881,733 km (0.043 R)
• M20: 20,785,876 km (0.045 R)
• M21: 22,045,789 km (0.085 R)
• M22: 27,073,325 km (0.1 R)
• M23: 28,038,680 km (0.049 R)
• M24: 28,305,862 km (0.071 R)
• M25: 28,845,312 km (0.056 R)
• M26: 32,618,619 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.1

Radius: 5.3

Gravity: 22.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.03 AU - 9.15 AU

Year: 14630 Days

Day: 19.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,679,960 km

• M1: 65,973 km (0.112 R)
• M2: 238,160 km (0.12 R)
• M3: 434,432 km (0.027 R)
• M4: 797,656 km (0.101 R)
• M5: 1,210,546 km (0.099 R)
• M6: 1,400,236 km (0.035 R)
• M7: 1,738,776 km (0.119 R)
• M8: 3,688,485 km (0.072 R)
• M9: 4,715,175 km (0.116 R)
• M10: 4,914,290 km (0.087 R)
• M11: 6,349,532 km (0.074 R)
• M12: 7,857,030 km (0.105 R)
• M13: 10,236,085 km (0.103 R)
• M14: 10,797,825 km (0.039 R)
• M15: 11,379,910 km (0.101 R)
• M16: 12,543,033 km (0.116 R)
• M17: 14,398,496 km (0.12 R)
• M18: 15,103,251 km (0.108 R)
• M19: 17,276,908 km (0.113 R)
• M20: 19,480,336 km (0.083 R)
• M21: 20,254,505 km (0.074 R)
• M22: 26,153,747 km (0.111 R)
• M23: 31,320,857 km (0.105 R)
• M24: 36,093,329 km (0.094 R)
• M25: 52,940,592 km (0.047 R)
• M26: 60,023,902 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.2

Radius: 4.4

Gravity: 44.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.47 AU - 12.31 AU

Year: 19776 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,679,960 km

• M1: 54,753 km (0.103 R)
• M2: 225,594 km (0.1 R)
• M3: 420,819 km (0.113 R)
• M4: 746,793 km (0.062 R)
• M5: 1,072,617 km (0.119 R)
• M6: 1,641,388 km (0.112 R)
• M7: 2,506,662 km (0.059 R)
• M8: 2,984,029 km (0.091 R)
• M9: 3,549,658 km (0.117 R)
• M10: 3,953,722 km (0.103 R)
• M11: 4,527,580 km (0.097 R)
• M12: 5,350,218 km (0.07 R)
• M13: 7,682,599 km (0.103 R)
• M14: 8,197,814 km (0.112 R)
• M15: 8,680,865 km (0.073 R)
• M16: 10,615,315 km (0.086 R)
• M17: 10,931,416 km (0.037 R)
• M18: 13,989,944 km (0.104 R)
• M19: 14,293,329 km (0.118 R)
• M20: 15,470,664 km (0.049 R)
• M21: 18,375,555 km (0.105 R)
• M22: 19,955,758 km (0.079 R)
• M23: 21,826,329 km (0.094 R)
• M24: 22,544,100 km (0.1 R)
• M25: 26,369,916 km (0.098 R)
• M26: 29,229,629 km (0.101 R)
• M27: 33,354,790 km (0.09 R)
• M28: 36,835,484 km (0.111 R)
• M29: 37,123,908 km (0.085 R)
• M30: 40,092,080 km (0.037 R)
• M31: 41,322,373 km (0.102 R)
• M32: 55,604,481 km (0.073 R)
• M33: 61,279,327 km (0.101 R)
• M34: 72,625,129 km (0.073 R)
• M35: 73,762,521 km (0.079 R)
• M36: 78,431,172 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.5

Radius: 7.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.28 AU - 13.6 AU

Year: 23007 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,679,960 km

• M1: 95,892 km (0.108 R)
• M2: 348,563 km (0.04 R)
• M3: 605,273 km (0.12 R)
• M4: 972,835 km (0.081 R)
• M5: 1,963,771 km (0.109 R)
• M6: 2,377,858 km (0.072 R)
• M7: 3,229,519 km (0.055 R)
• M8: 4,240,202 km (0.114 R)
• M9: 4,483,897 km (0.111 R)
• M10: 8,522,890 km (0.109 R)
• M11: 10,536,028 km (0.099 R)
• M12: 11,272,050 km (0.07 R)
• M13: 13,885,226 km (0.073 R)
• M14: 22,039,058 km (0.109 R)
• M15: 23,240,777 km (0.06 R)
• M16: 26,795,971 km (0.051 R)
• M17: 27,738,288 km (0.108 R)
• M18: 29,688,894 km (0.044 R)
• M19: 30,811,327 km (0.099 R)
• M20: 32,312,242 km (0.053 R)
• M21: 33,021,187 km (0.067 R)
• M22: 33,619,728 km (0.069 R)
• M23: 37,623,715 km (0.039 R)
• M24: 42,777,810 km (0.063 R)
• M25: 44,789,602 km (0.084 R)
• M26: 45,818,686 km (0.101 R)
• M27: 48,383,542 km (0.074 R)
• M28: 54,293,406 km (0.037 R)
• M29: 56,479,180 km (0.104 R)
• M30: 56,991,702 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 15,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit