🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 10.6

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.62 AU - 1 AU

Year: 464 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,992,541 km

• M1: 131,945 km (0.116 R)
• M2: 474,225 km (0.052 R)
• M3: 814,710 km (0.105 R)
• M4: 1,241,962 km (0.054 R)
• M5: 1,866,383 km (0.106 R)
• M6: 2,795,535 km (0.078 R)
• M7: 3,382,557 km (0.075 R)
• M8: 3,926,196 km (0.104 R)
• M9: 4,262,492 km (0.043 R)
• M10: 5,172,197 km (0.095 R)
• M11: 5,508,493 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 12.6

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.16 AU - 2.68 AU

Year: 2394 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,992,541 km

• M1: 156,928 km (0.062 R)
• M2: 692,339 km (0.076 R)
• M3: 1,135,747 km (0.09 R)
• M4: 1,657,245 km (0.062 R)
• M5: 2,311,287 km (0.096 R)
• M6: 3,239,243 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 11.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.09 AU - 3.81 AU

Year: 4074 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,992,541 km

• M1: 138,079 km (0.083 R)
• M2: 692,489 km (0.109 R)
• M3: 1,077,553 km (0.119 R)
• M4: 1,666,520 km (0.071 R)
• M5: 2,476,593 km (0.085 R)
• M6: 3,078,126 km (0.076 R)
• M7: 3,551,453 km (0.117 R)
• M8: 3,986,334 km (0.114 R)
• M9: 4,364,219 km (0.075 R)
• M10: 5,089,918 km (0.08 R)
• M11: 7,553,645 km (0.106 R)
• M12: 7,961,150 km (0.092 R)
• M13: 9,349,418 km (0.066 R)
• M14: 10,429,814 km (0.083 R)
• M15: 12,885,164 km (0.112 R)
• M16: 13,967,355 km (0.089 R)
• M17: 20,304,021 km (0.1 R)
• M18: 21,904,120 km (0.113 R)
• M19: 23,875,222 km (0.115 R)
• M20: 25,128,254 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 11.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.09 AU - 4.19 AU

Year: 4416 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,992,541 km

• M1: 139,276 km (0.108 R)
• M2: 613,650 km (0.084 R)
• M3: 1,052,571 km (0.066 R)
• M4: 1,641,388 km (0.089 R)
• M5: 3,202,442 km (0.094 R)
• M6: 3,779,291 km (0.063 R)
• M7: 4,232,722 km (0.107 R)
• M8: 4,799,249 km (0.064 R)
• M9: 5,387,767 km (0.108 R)
• M10: 6,872,227 km (0.107 R)
• M11: 7,906,397 km (0.081 R)
• M12: 8,651,544 km (0.094 R)
• M13: 9,940,479 km (0.058 R)
• M14: 14,087,781 km (0.11 R)
• M15: 20,890,744 km (0.091 R)
• M16: 25,113,443 km (0.094 R)
• M17: 26,557,063 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 11.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.91 AU - 4.93 AU

Year: 5908 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,992,541 km

• M1: 147,952 km (0.108 R)
• M2: 534,064 km (0.1 R)
• M3: 975,977 km (0.043 R)
• M4: 1,616,704 km (0.074 R)
• M5: 2,285,855 km (0.084 R)
• M6: 3,790,511 km (0.065 R)
• M7: 4,948,249 km (0.065 R)
• M8: 6,564,504 km (0.118 R)
• M9: 7,796,293 km (0.048 R)
• M10: 11,049,897 km (0.113 R)
• M11: 11,897,070 km (0.088 R)
• M12: 12,415,426 km (0.08 R)
• M13: 13,221,011 km (0.107 R)
• M14: 14,640,844 km (0.055 R)
• M15: 15,055,979 km (0.102 R)
• M16: 17,185,654 km (0.105 R)
• M17: 17,983,160 km (0.105 R)
• M18: 20,084,861 km (0.074 R)
• M19: 21,880,484 km (0.09 R)
• M20: 24,687,389 km (0.042 R)
• M21: 27,277,526 km (0.055 R)
• M22: 30,139,184 km (0.117 R)
• M23: 31,298,717 km (0.088 R)
• M24: 32,287,559 km (0.072 R)
• M25: 33,093,592 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.1

Radius: 4.9

Gravity: 35.57 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.35 AU - 10.45 AU

Year: 15479 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,992,541 km

• M1: 61,036 km (0.08 R)
• M2: 246,238 km (0.087 R)
• M3: 399,875 km (0.118 R)
• M4: 785,389 km (0.09 R)
• M5: 1,062,893 km (0.103 R)
• M6: 1,273,227 km (0.104 R)
• M7: 1,979,629 km (0.091 R)
• M8: 2,654,016 km (0.028 R)
• M9: 2,918,056 km (0.071 R)
• M10: 3,526,471 km (0.103 R)
• M11: 5,134,797 km (0.031 R)
• M12: 5,738,425 km (0.064 R)
• M13: 7,222,136 km (0.109 R)
• M14: 8,944,008 km (0.096 R)
• M15: 13,518,711 km (0.09 R)
• M16: 14,737,185 km (0.117 R)
• M17: 17,973,287 km (0.061 R)
• M18: 18,742,070 km (0.047 R)
• M19: 20,992,321 km (0.08 R)
• M20: 26,893,359 km (0.045 R)
• M21: 30,699,278 km (0.116 R)
• M22: 33,810,615 km (0.101 R)
• M23: 35,774,835 km (0.111 R)
• M24: 39,357,554 km (0.091 R)
• M25: 43,020,907 km (0.036 R)
• M26: 43,475,236 km (0.104 R)
• M27: 45,952,576 km (0.074 R)
• M28: 46,905,365 km (0.108 R)
• M29: 52,381,844 km (0.08 R)
• M30: 53,073,285 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.3

Radius: 4.4

Gravity: 28.68 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.27 AU - 9.55 AU

Year: 18353 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,992,541 km

• M1: 54,753 km (0.115 R)
• M2: 234,569 km (0.11 R)
• M3: 492,476 km (0.081 R)
• M4: 738,714 km (0.113 R)
• M5: 945,907 km (0.101 R)
• M6: 1,151,754 km (0.112 R)
• M7: 1,343,239 km (0.104 R)
• M8: 3,230,267 km (0.113 R)
• M9: 3,528,715 km (0.088 R)
• M10: 4,087,163 km (0.05 R)
• M11: 4,339,086 km (0.105 R)
• M12: 4,736,269 km (0.089 R)
• M13: 6,742,077 km (0.116 R)
• M14: 7,978,802 km (0.113 R)
• M15: 8,624,916 km (0.11 R)
• M16: 9,251,880 km (0.081 R)
• M17: 10,248,352 km (0.088 R)
• M18: 10,537,375 km (0.116 R)
• M19: 11,810,901 km (0.107 R)
• M20: 14,732,249 km (0.119 R)
• M21: 15,324,207 km (0.097 R)
• M22: 15,474,703 km (0.101 R)
• M23: 15,702,241 km (0.098 R)
• M24: 17,439,372 km (0.115 R)
• M25: 26,311,124 km (0.105 R)
• M26: 39,027,541 km (0.113 R)
• M27: 39,731,848 km (0.09 R)
• M28: 41,020,933 km (0.078 R)
• M29: 48,693,359 km (0.092 R)
• M30: 53,900,562 km (0.117 R)
• M31: 58,177,714 km (0.082 R)
• M32: 58,727,786 km (0.089 R)
• M33: 60,211,497 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.8

Radius: 6.1

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.94 AU - 10.66 AU

Year: 21018 Days

Day: 20.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,992,541 km

• M1: 84,074 km (0.073 R)
• M2: 284,685 km (0.093 R)
• M3: 1,194,689 km (0.068 R)
• M4: 2,199,388 km (0.112 R)
• M5: 2,565,753 km (0.098 R)
• M6: 4,096,887 km (0.079 R)
• M7: 4,287,325 km (0.088 R)
• M8: 6,237,034 km (0.118 R)
• M9: 6,925,783 km (0.109 R)
• M10: 9,681,525 km (0.12 R)
• M11: 10,842,405 km (0.11 R)
• M12: 13,788,137 km (0.117 R)
• M13: 15,712,564 km (0.055 R)
• M14: 19,994,503 km (0.088 R)
• M15: 20,268,118 km (0.065 R)
• M16: 20,916,475 km (0.117 R)
• M17: 25,525,137 km (0.086 R)
• M18: 26,172,147 km (0.109 R)
• M19: 26,499,617 km (0.115 R)
• M20: 27,274,684 km (0.104 R)
• M21: 27,950,866 km (0.063 R)
• M22: 31,132,514 km (0.072 R)
• M23: 32,747,123 km (0.057 R)
• M24: 33,000,393 km (0.075 R)
• M25: 37,508,375 km (0.047 R)
• M26: 37,924,855 km (0.044 R)
• M27: 45,957,663 km (0.116 R)
• M28: 47,722,170 km (0.104 R)
• M29: 48,374,865 km (0.049 R)
• M30: 52,071,279 km (0.062 R)
• M31: 54,164,901 km (0.116 R)
• M32: 56,132,562 km (0.12 R)
• M33: 58,147,496 km (0.107 R)
• M34: 60,590,429 km (0.065 R)
• M35: 62,515,454 km (0.06 R)
• M36: 65,478,838 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 18,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit