🌌 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: 226.5

Radius: 14.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,944,374 km

• M1: 182,509 km (0.069 R)
• M2: 676,033 km (0.119 R)
• M3: 1,158,336 km (0.092 R)
• M4: 1,758,373 km (0.087 R)
• M5: 3,398,415 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 10.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.13 AU - 1.39 AU

Year: 959 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,944,374 km

• M1: 137,929 km (0.094 R)
• M2: 508,483 km (0.092 R)
• M3: 873,352 km (0.081 R)
• M4: 1,441,675 km (0.119 R)
• M5: 1,783,506 km (0.054 R)
• M6: 2,152,564 km (0.087 R)
• M7: 2,635,914 km (0.058 R)
• M8: 3,795,448 km (0.03 R)
• M9: 4,965,602 km (0.117 R)
• M10: 5,457,330 km (0.063 R)
• M11: 6,169,715 km (0.049 R)
• M12: 6,698,394 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 8.3

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.36 AU - 1.58 AU

Year: 1209 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,944,374 km

• M1: 103,223 km (0.069 R)
• M2: 959,521 km (0.113 R)
• M3: 1,330,075 km (0.045 R)
• M4: 2,469,562 km (0.073 R)
• M5: 2,793,441 km (0.094 R)
• M6: 3,231,164 km (0.089 R)
• M7: 3,619,820 km (0.099 R)
• M8: 4,673,886 km (0.072 R)
• M9: 5,112,806 km (0.117 R)
• M10: 6,251,845 km (0.071 R)
• M11: 6,619,706 km (0.091 R)
• M12: 6,953,459 km (0.093 R)
• M13: 7,248,466 km (0.089 R)
• M14: 9,168,255 km (0.107 R)
• M15: 9,643,677 km (0.111 R)
• M16: 10,871,576 km (0.069 R)
• M17: 11,269,507 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 13.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.86 AU - 2.64 AU

Year: 2289 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,944,374 km

• M1: 171,738 km (0.116 R)
• M2: 672,442 km (0.107 R)
• M3: 1,132,007 km (0.044 R)
• M4: 1,802,654 km (0.084 R)
• M5: 2,325,349 km (0.066 R)
• M6: 2,786,260 km (0.081 R)
• M7: 3,739,498 km (0.092 R)
• M8: 4,300,340 km (0.108 R)
• M9: 5,019,607 km (0.057 R)
• M10: 5,518,366 km (0.095 R)
• M11: 6,615,966 km (0.073 R)
• M12: 7,063,563 km (0.109 R)
• M13: 7,508,467 km (0.094 R)
• M14: 8,091,150 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 12.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.07 AU - 6.35 AU

Year: 8066 Days

Day: 6.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,944,374 km

• M1: 153,039 km (0.114 R)
• M2: 1,412,204 km (0.112 R)
• M3: 1,902,586 km (0.048 R)
• M4: 2,892,475 km (0.038 R)
• M5: 3,905,402 km (0.051 R)
• M6: 4,325,772 km (0.095 R)
• M7: 5,740,968 km (0.034 R)
• M8: 6,187,817 km (0.087 R)
• M9: 6,589,337 km (0.103 R)
• M10: 7,556,787 km (0.09 R)
• M11: 9,290,177 km (0.094 R)
• M12: 11,522,926 km (0.057 R)
• M13: 12,184,597 km (0.057 R)
• M14: 13,528,135 km (0.095 R)
• M15: 14,555,125 km (0.073 R)
• M16: 15,450,019 km (0.052 R)
• M17: 16,066,811 km (0.043 R)
• M18: 19,258,631 km (0.111 R)
• M19: 22,379,393 km (0.11 R)
• M20: 22,851,075 km (0.119 R)
• M21: 25,141,119 km (0.119 R)
• M22: 25,908,556 km (0.112 R)
• M23: 27,222,474 km (0.038 R)
• M24: 29,322,529 km (0.084 R)
• M25: 30,845,735 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.5

Radius: 6.9

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7 AU - 9.34 AU

Year: 15839 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,944,374 km

• M1: 90,357 km (0.11 R)
• M2: 479,461 km (0.082 R)
• M3: 925,712 km (0.063 R)
• M4: 2,695,454 km (0.096 R)
• M5: 3,006,319 km (0.1 R)
• M6: 4,115,886 km (0.12 R)
• M7: 6,055,722 km (0.075 R)
• M8: 7,201,492 km (0.119 R)
• M9: 7,801,828 km (0.081 R)
• M10: 8,687,597 km (0.066 R)
• M11: 9,914,599 km (0.08 R)
• M12: 13,040,297 km (0.098 R)
• M13: 13,721,865 km (0.119 R)
• M14: 18,658,295 km (0.086 R)
• M15: 19,174,109 km (0.083 R)
• M16: 19,699,496 km (0.078 R)
• M17: 20,234,309 km (0.113 R)
• M18: 21,426,454 km (0.078 R)
• M19: 24,764,432 km (0.086 R)
• M20: 25,178,668 km (0.09 R)
• M21: 26,990,597 km (0.118 R)
• M22: 29,116,682 km (0.09 R)
• M23: 34,592,563 km (0.1 R)
• M24: 35,370,771 km (0.078 R)
• M25: 41,149,138 km (0.096 R)
• M26: 46,420,518 km (0.105 R)
• M27: 48,165,727 km (0.06 R)
• M28: 51,450,298 km (0.097 R)
• M29: 58,278,842 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.7

Radius: 6.8

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.28 AU - 8.82 AU

Year: 16957 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,944,374 km

• M1: 85,420 km (0.112 R)
• M2: 304,880 km (0.071 R)
• M3: 614,997 km (0.088 R)
• M4: 982,260 km (0.107 R)
• M5: 1,322,296 km (0.088 R)
• M6: 2,261,321 km (0.084 R)
• M7: 4,006,381 km (0.106 R)
• M8: 4,461,009 km (0.095 R)
• M9: 7,502,483 km (0.081 R)
• M10: 9,141,776 km (0.083 R)
• M11: 9,871,215 km (0.116 R)
• M12: 11,637,368 km (0.098 R)
• M13: 12,426,347 km (0.112 R)
• M14: 14,110,221 km (0.047 R)
• M15: 17,667,658 km (0.067 R)
• M16: 19,334,328 km (0.105 R)
• M17: 20,911,838 km (0.042 R)
• M18: 23,282,515 km (0.109 R)
• M19: 25,066,170 km (0.054 R)
• M20: 26,490,193 km (0.066 R)
• M21: 30,102,233 km (0.104 R)
• M22: 32,984,984 km (0.12 R)
• M23: 33,374,088 km (0.101 R)
• M24: 34,559,801 km (0.117 R)
• M25: 35,501,220 km (0.108 R)
• M26: 35,773,189 km (0.039 R)
• M27: 36,459,544 km (0.109 R)
• M28: 38,000,253 km (0.065 R)
• M29: 43,036,315 km (0.026 R)
• M30: 48,166,176 km (0.104 R)
• M31: 51,223,508 km (0.074 R)
• M32: 59,427,754 km (0.101 R)
• M33: 65,357,814 km (0.076 R)
• M34: 67,836,351 km (0.108 R)
• M35: 69,523,067 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 4.4

Gravity: 28.92 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.3 AU - 10.86 AU

Year: 20111 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 138.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,944,374 km

• M1: 54,753 km (0.082 R)
• M2: 300,393 km (0.111 R)
• M3: 536,458 km (0.116 R)
• M4: 814,411 km (0.053 R)
• M5: 968,945 km (0.102 R)
• M6: 1,129,913 km (0.105 R)
• M7: 1,428,061 km (0.099 R)
• M8: 1,604,138 km (0.072 R)
• M9: 1,904,979 km (0.103 R)
• M10: 2,834,281 km (0.051 R)
• M11: 3,552,650 km (0.08 R)
• M12: 4,864,923 km (0.118 R)
• M13: 5,044,291 km (0.103 R)
• M14: 6,731,156 km (0.113 R)
• M15: 7,367,994 km (0.047 R)
• M16: 8,295,352 km (0.106 R)
• M17: 9,574,713 km (0.066 R)
• M18: 10,437,892 km (0.101 R)
• M19: 12,384,011 km (0.063 R)
• M20: 12,991,378 km (0.086 R)
• M21: 17,557,105 km (0.061 R)
• M22: 18,845,592 km (0.115 R)
• M23: 20,104,009 km (0.09 R)
• M24: 22,786,598 km (0.09 R)
• M25: 25,590,511 km (0.1 R)
• M26: 26,024,494 km (0.12 R)
• M27: 31,004,757 km (0.034 R)
• M28: 38,820,199 km (0.102 R)
• M29: 39,681,583 km (0.113 R)
• M30: 44,961,939 km (0.116 R)
• M31: 47,036,712 km (0.088 R)
• M32: 50,691,837 km (0.117 R)
• M33: 51,720,472 km (0.111 R)
• M34: 63,771,328 km (0.117 R)
• M35: 69,702,884 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.3

Radius: 5.4

Gravity: 28.44 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.82 AU - 11.94 AU

Year: 21063 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,944,374 km

• M1: 67,169 km (0.114 R)
• M2: 260,001 km (0.068 R)
• M3: 800,349 km (0.061 R)
• M4: 1,226,703 km (0.113 R)
• M5: 1,575,714 km (0.064 R)
• M6: 3,422,350 km (0.116 R)
• M7: 3,883,561 km (0.1 R)
• M8: 5,004,498 km (0.087 R)
• M9: 6,551,639 km (0.07 R)
• M10: 8,072,750 km (0.11 R)
• M11: 10,364,140 km (0.047 R)
• M12: 11,193,511 km (0.073 R)
• M13: 11,457,402 km (0.091 R)
• M14: 12,273,907 km (0.092 R)
• M15: 13,201,563 km (0.096 R)
• M16: 18,004,104 km (0.101 R)
• M17: 18,826,144 km (0.045 R)
• M18: 20,841,227 km (0.119 R)
• M19: 21,341,483 km (0.118 R)
• M20: 23,315,277 km (0.054 R)
• M21: 24,622,613 km (0.041 R)
• M22: 25,634,642 km (0.119 R)
• M23: 31,374,114 km (0.105 R)
• M24: 34,749,790 km (0.116 R)
• M25: 40,796,835 km (0.071 R)
• M26: 47,681,180 km (0.12 R)
• M27: 48,548,997 km (0.108 R)
• M28: 48,899,056 km (0.063 R)
• M29: 52,676,851 km (0.078 R)
• M30: 53,046,358 km (0.028 R)
• M31: 56,838,215 km (0.092 R)
• M32: 59,197,972 km (0.092 R)
• M33: 59,798,009 km (0.091 R)
• M34: 68,848,680 km (0.119 R)
• M35: 70,627,399 km (0.11 R)
• M36: 73,122,841 km (0.112 R)
• M37: 75,911,495 km (0.092 R)
• M38: 82,692,467 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 19,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit