🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 8.9

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 10.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,767,599 km

• M1: 110,702 km (0.115 R)
• M2: 412,292 km (0.041 R)
• M3: 709,842 km (0.046 R)
• M4: 1,196,035 km (0.115 R)
• M5: 1,616,106 km (0.098 R)
• M6: 1,900,043 km (0.113 R)
• M7: 2,313,381 km (0.066 R)
• M8: 2,775,938 km (0.037 R)
• M9: 3,471,867 km (0.114 R)
• M10: 3,823,422 km (0.075 R)
• M11: 4,684,508 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.5

Radius: 10.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,767,599 km

• M1: 132,993 km (0.119 R)
• M2: 461,958 km (0.048 R)
• M3: 828,323 km (0.079 R)
• M4: 1,522,158 km (0.088 R)
• M5: 2,040,365 km (0.105 R)
• M6: 2,368,284 km (0.075 R)
• M7: 2,731,807 km (0.079 R)
• M8: 3,342,016 km (0.1 R)
• M9: 4,480,456 km (0.104 R)
• M10: 4,951,690 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 11.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1 AU - 1.56 AU

Year: 982 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,767,599 km

• M1: 146,008 km (0.102 R)
• M2: 875,447 km (0.111 R)
• M3: 1,769,144 km (0.116 R)
• M4: 3,307,160 km (0.088 R)
• M5: 3,890,293 km (0.113 R)
• M6: 5,008,836 km (0.076 R)
• M7: 5,634,155 km (0.073 R)
• M8: 6,041,510 km (0.112 R)
• M9: 7,104,403 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.2

Radius: 10

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.65 AU - 2.33 AU

Year: 1904 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,767,599 km

• M1: 124,316 km (0.061 R)
• M2: 465,549 km (0.052 R)
• M3: 1,124,378 km (0.095 R)
• M4: 1,852,470 km (0.074 R)
• M5: 2,275,683 km (0.117 R)
• M6: 2,945,582 km (0.063 R)
• M7: 3,561,327 km (0.081 R)
• M8: 3,909,740 km (0.114 R)
• M9: 4,321,134 km (0.104 R)
• M10: 4,696,775 km (0.066 R)
• M11: 5,094,256 km (0.115 R)
• M12: 6,109,577 km (0.113 R)
• M13: 6,530,097 km (0.073 R)
• M14: 8,569,265 km (0.105 R)
• M15: 9,096,897 km (0.101 R)
• M16: 9,506,795 km (0.04 R)
• M17: 10,962,831 km (0.092 R)
• M18: 13,286,834 km (0.095 R)
• M19: 14,402,984 km (0.087 R)
• M20: 14,819,763 km (0.102 R)
• M21: 16,069,205 km (0.061 R)
• M22: 16,567,964 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 12.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.59 AU - 2.59 AU

Year: 2049 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,767,599 km

• M1: 165,605 km (0.076 R)
• M2: 776,413 km (0.057 R)
• M3: 1,445,115 km (0.077 R)
• M4: 2,159,744 km (0.112 R)
• M5: 2,901,301 km (0.103 R)
• M6: 4,027,773 km (0.109 R)
• M7: 5,267,042 km (0.12 R)
• M8: 5,877,401 km (0.085 R)
• M9: 6,692,859 km (0.083 R)
• M10: 7,467,178 km (0.072 R)
• M11: 10,329,733 km (0.083 R)
• M12: 10,838,665 km (0.085 R)
• M13: 11,517,690 km (0.073 R)
• M14: 15,962,542 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 11

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.37 AU - 3.09 AU

Year: 3059 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,767,599 km

• M1: 156,479 km (0.068 R)
• M2: 530,773 km (0.11 R)
• M3: 1,128,118 km (0.077 R)
• M4: 2,123,991 km (0.077 R)
• M5: 2,761,427 km (0.073 R)
• M6: 4,025,380 km (0.108 R)
• M7: 4,802,989 km (0.085 R)
• M8: 6,512,743 km (0.085 R)
• M9: 7,185,635 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.8

Radius: 11.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.52 AU - 3.02 AU

Year: 3127 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,767,599 km

• M1: 265,387 km (0.089 R)
• M2: 746,793 km (0.08 R)
• M3: 1,453,343 km (0.111 R)
• M4: 2,366,489 km (0.108 R)
• M5: 2,814,534 km (0.07 R)
• M6: 3,541,281 km (0.032 R)
• M7: 4,015,805 km (0.071 R)
• M8: 4,450,237 km (0.112 R)
• M9: 6,727,865 km (0.079 R)
• M10: 8,305,524 km (0.05 R)
• M11: 8,687,448 km (0.04 R)
• M12: 10,479,929 km (0.084 R)
• M13: 11,346,699 km (0.104 R)
• M14: 12,507,130 km (0.077 R)
• M15: 14,325,642 km (0.083 R)
• M16: 15,440,894 km (0.113 R)
• M17: 17,067,471 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 9.4

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.68 AU - 3.46 AU

Year: 3648 Days

Day: 8.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,767,599 km

• M1: 116,836 km (0.115 R)
• M2: 423,661 km (0.075 R)
• M3: 1,251,835 km (0.081 R)
• M4: 1,641,837 km (0.099 R)
• M5: 2,041,712 km (0.038 R)
• M6: 2,704,131 km (0.085 R)
• M7: 3,304,617 km (0.109 R)
• M8: 3,710,326 km (0.116 R)
• M9: 4,058,441 km (0.12 R)
• M10: 5,732,590 km (0.103 R)
• M11: 7,077,625 km (0.107 R)
• M12: 9,235,724 km (0.087 R)
• M13: 11,799,233 km (0.104 R)
• M14: 13,044,635 km (0.117 R)
• M15: 13,699,425 km (0.117 R)
• M16: 15,404,242 km (0.059 R)
• M17: 17,126,712 km (0.12 R)
• M18: 17,789,431 km (0.117 R)
• M19: 18,531,735 km (0.032 R)
• M20: 19,749,013 km (0.105 R)
• M21: 21,638,883 km (0.073 R)
• M22: 22,484,710 km (0.11 R)
• M23: 23,720,388 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.8

Radius: 4

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.25 AU - 6.97 AU

Year: 11526 Days

Day: 19.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,767,599 km

• M1: 49,816 km (0.093 R)
• M2: 244,144 km (0.097 R)
• M3: 471,682 km (0.084 R)
• M4: 622,477 km (0.116 R)
• M5: 797,057 km (0.082 R)
• M6: 1,053,468 km (0.057 R)
• M7: 1,920,986 km (0.06 R)
• M8: 2,093,772 km (0.039 R)
• M9: 2,226,016 km (0.096 R)
• M10: 2,416,903 km (0.077 R)
• M11: 2,618,561 km (0.074 R)
• M12: 3,161,751 km (0.037 R)
• M13: 4,228,085 km (0.064 R)
• M14: 6,364,941 km (0.096 R)
• M15: 7,187,729 km (0.109 R)
• M16: 7,337,776 km (0.055 R)
• M17: 8,783,489 km (0.09 R)
• M18: 8,911,844 km (0.113 R)
• M19: 9,754,679 km (0.09 R)
• M20: 11,855,631 km (0.114 R)
• M21: 12,708,788 km (0.12 R)
• M22: 13,545,040 km (0.119 R)
• M23: 14,958,291 km (0.078 R)
• M24: 15,203,033 km (0.117 R)
• M25: 17,867,670 km (0.055 R)
• M26: 18,005,151 km (0.095 R)
• M27: 22,784,205 km (0.061 R)
• M28: 23,848,444 km (0.09 R)
• M29: 24,604,362 km (0.088 R)
• M30: 26,608,524 km (0.094 R)
• M31: 27,880,106 km (0.076 R)
• M32: 31,735,842 km (0.12 R)
• M33: 32,139,906 km (0.074 R)
• M34: 36,813,642 km (0.113 R)
• M35: 37,036,244 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.2

Radius: 5.5

Gravity: 27.15 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.34 AU - 10.87 AU

Year: 23407 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,767,599 km

• M1: 187,745 km (0.116 R)
• M2: 2,188,916 km (0.088 R)
• M3: 2,638,458 km (0.065 R)
• M4: 3,262,730 km (0.087 R)
• M5: 3,816,242 km (0.095 R)
• M6: 5,107,870 km (0.06 R)
• M7: 7,657,317 km (0.074 R)
• M8: 8,462,153 km (0.103 R)
• M9: 9,440,822 km (0.066 R)
• M10: 10,238,478 km (0.093 R)
• M11: 11,758,393 km (0.092 R)
• M12: 12,826,970 km (0.111 R)
• M13: 13,650,656 km (0.097 R)
• M14: 14,668,819 km (0.119 R)
• M15: 16,680,013 km (0.102 R)
• M16: 17,751,433 km (0.12 R)
• M17: 24,475,408 km (0.069 R)
• M18: 25,506,437 km (0.12 R)
• M19: 25,856,496 km (0.066 R)
• M20: 28,397,266 km (0.109 R)
• M21: 36,860,467 km (0.108 R)
• M22: 54,767,032 km (0.11 R)
• M23: 56,329,732 km (0.113 R)
• M24: 64,159,984 km (0.057 R)
• M25: 75,047,717 km (0.195 R)
• M26: 80,174,884 km (0.116 R)
• M27: 82,441,891 km (0.116 R)
• M28: 86,052,734 km (0.12 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: 213 - 14,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit