🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 11.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.88 AU - 0.96 AU

Year: 570 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,123,423 km

• M1: 139,575 km (0.096 R)
• M2: 499,657 km (0.049 R)
• M3: 910,602 km (0.086 R)
• M4: 1,444,816 km (0.093 R)
• M5: 1,859,202 km (0.053 R)
• M6: 2,463,727 km (0.073 R)
• M7: 2,933,465 km (0.102 R)
• M8: 3,429,681 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 10.6

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.09 AU - 1.43 AU

Year: 913 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,123,423 km

• M1: 131,796 km (0.061 R)
• M2: 552,465 km (0.057 R)
• M3: 897,438 km (0.113 R)
• M4: 1,267,543 km (0.104 R)
• M5: 1,644,380 km (0.116 R)
• M6: 2,211,356 km (0.101 R)
• M7: 2,570,989 km (0.056 R)
• M8: 3,049,253 km (0.119 R)
• M9: 3,541,580 km (0.064 R)
• M10: 4,102,722 km (0.087 R)
• M11: 5,092,760 km (0.105 R)
• M12: 5,502,808 km (0.074 R)
• M13: 5,998,276 km (0.089 R)
• M14: 6,433,756 km (0.081 R)
• M15: 6,820,466 km (0.078 R)
• M16: 7,971,023 km (0.115 R)
• M17: 8,525,134 km (0.095 R)
• M18: 9,048,278 km (0.106 R)
• M19: 9,739,869 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 12.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.35 AU - 1.57 AU

Year: 1139 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,123,423 km

• M1: 152,590 km (0.08 R)
• M2: 577,149 km (0.119 R)
• M3: 1,050,476 km (0.066 R)
• M4: 1,527,843 km (0.1 R)
• M5: 2,431,863 km (0.077 R)
• M6: 2,949,472 km (0.055 R)
• M7: 3,433,720 km (0.075 R)
• M8: 3,987,531 km (0.096 R)
• M9: 4,805,682 km (0.081 R)
• M10: 5,255,224 km (0.106 R)
• M11: 6,353,122 km (0.104 R)
• M12: 6,799,223 km (0.079 R)
• M13: 7,469,272 km (0.03 R)
• M14: 9,323,238 km (0.088 R)
• M15: 10,182,529 km (0.072 R)
• M16: 10,664,234 km (0.116 R)
• M17: 11,569,600 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 10.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.45 AU - 2.41 AU

Year: 1731 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,123,423 km

• M1: 125,662 km (0.081 R)
• M2: 548,875 km (0.117 R)
• M3: 1,002,904 km (0.096 R)
• M4: 1,368,821 km (0.092 R)
• M5: 1,824,496 km (0.059 R)
• M6: 2,368,134 km (0.086 R)
• M7: 2,788,355 km (0.047 R)
• M8: 3,128,690 km (0.111 R)
• M9: 3,699,855 km (0.115 R)
• M10: 4,233,470 km (0.099 R)
• M11: 4,629,605 km (0.108 R)
• M12: 5,011,080 km (0.101 R)
• M13: 5,601,543 km (0.112 R)
• M14: 5,924,824 km (0.09 R)
• M15: 6,561,961 km (0.102 R)
• M16: 7,044,564 km (0.047 R)
• M17: 7,786,120 km (0.053 R)
• M18: 8,107,905 km (0.098 R)
• M19: 8,466,491 km (0.079 R)
• M20: 8,806,827 km (0.089 R)
• M21: 10,681,138 km (0.082 R)
• M22: 11,247,666 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 12.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.55 AU - 2.49 AU

Year: 1854 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,123,423 km

• M1: 151,991 km (0.101 R)
• M2: 817,702 km (0.108 R)
• M3: 1,222,364 km (0.063 R)
• M4: 1,735,186 km (0.053 R)
• M5: 3,426,090 km (0.051 R)
• M6: 3,940,109 km (0.098 R)
• M7: 4,334,598 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 8.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.97 AU - 3.69 AU

Year: 3924 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,123,423 km

• M1: 109,655 km (0.086 R)
• M2: 472,280 km (0.085 R)
• M3: 837,299 km (0.113 R)
• M4: 1,280,109 km (0.047 R)
• M5: 2,654,016 km (0.086 R)
• M6: 3,042,372 km (0.111 R)
• M7: 6,624,493 km (0.028 R)
• M8: 13,548,630 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 14.2

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.38 AU - 4.88 AU

Year: 5419 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,123,423 km

• M1: 176,675 km (0.063 R)
• M2: 1,124,078 km (0.108 R)
• M3: 1,677,441 km (0.026 R)
• M4: 2,227,662 km (0.038 R)
• M5: 2,686,927 km (0.061 R)
• M6: 4,049,166 km (0.096 R)
• M7: 4,765,141 km (0.083 R)
• M8: 5,564,442 km (0.06 R)
• M9: 6,052,281 km (0.062 R)
• M10: 6,627,934 km (0.116 R)
• M11: 7,114,576 km (0.116 R)
• M12: 7,560,078 km (0.075 R)
• M13: 8,472,176 km (0.057 R)
• M14: 9,996,130 km (0.03 R)
• M15: 19,386,089 km (0.1 R)
• M16: 20,007,070 km (0.028 R)
• M17: 20,577,187 km (0.116 R)
• M18: 21,028,225 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 7.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.94 AU - 8.66 AU

Year: 15439 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,123,423 km

• M1: 98,286 km (0.088 R)
• M2: 623,823 km (0.104 R)
• M3: 936,034 km (0.066 R)
• M4: 2,033,783 km (0.118 R)
• M5: 2,385,936 km (0.086 R)
• M6: 4,003,389 km (0.067 R)
• M7: 6,838,567 km (0.112 R)
• M8: 7,109,639 km (0.078 R)
• M9: 11,701,545 km (0.066 R)
• M10: 12,372,941 km (0.081 R)
• M11: 12,893,242 km (0.074 R)
• M12: 13,670,253 km (0.113 R)
• M13: 17,449,395 km (0.093 R)
• M14: 20,402,906 km (0.075 R)
• M15: 23,673,713 km (0.079 R)
• M16: 25,572,110 km (0.078 R)
• M17: 26,132,654 km (0.032 R)
• M18: 31,021,213 km (0.119 R)
• M19: 39,259,418 km (0.118 R)
• M20: 41,014,500 km (0.061 R)
• M21: 41,653,882 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381

Radius: 6.4

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8 AU - 13.16 AU

Year: 22220 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,123,423 km

• M1: 79,586 km (0.106 R)
• M2: 359,334 km (0.097 R)
• M3: 632,201 km (0.119 R)
• M4: 1,504,506 km (0.11 R)
• M5: 1,944,623 km (0.109 R)
• M6: 2,622,750 km (0.044 R)
• M7: 3,875,782 km (0.082 R)
• M8: 4,666,556 km (0.103 R)
• M9: 7,174,415 km (0.092 R)
• M10: 7,680,953 km (0.12 R)
• M11: 9,130,856 km (0.114 R)
• M12: 11,294,938 km (0.048 R)
• M13: 12,236,059 km (0.071 R)
• M14: 13,296,408 km (0.099 R)
• M15: 16,605,364 km (0.06 R)
• M16: 17,165,009 km (0.113 R)
• M17: 17,902,976 km (0.027 R)
• M18: 21,534,464 km (0.104 R)
• M19: 22,392,557 km (0.102 R)
• M20: 28,025,665 km (0.097 R)
• M21: 28,363,756 km (0.104 R)
• M22: 31,046,495 km (0.114 R)
• M23: 33,766,483 km (0.078 R)
• M24: 36,507,116 km (0.072 R)
• M25: 39,533,631 km (0.054 R)
• M26: 43,471,346 km (0.066 R)
• M27: 50,103,917 km (0.093 R)
• M28: 51,103,231 km (0.095 R)
• M29: 58,473,619 km (0.057 R)
• M30: 59,953,441 km (0.094 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: 345 - 19,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit