Key Facts

  • Classified as a Aten-class Asteroid
  • Comparable in size to Mount Everest
  • Will pass within 56,768,787 km of Earth in 2019
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

523605 (2004 RX10) is a small asteroid whose orbit could bring it in close proximity to Earth. NASA JPL has classified 2004 RX10 as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of collision.

2004 RX10 orbits the sun every 322 days (0.88 years), coming as close as 0.60 AU and reaching as far as 1.24 AU from the sun. Based on its brightness and the way it reflects light, 2004 RX10 is probably between 0.96 to 4.28 kilometers in diameter, making it larger than most asteroids, very roughly comparable in size to Mount Everest.

Close Approaches

2004 RX10's orbit is 0.05 AU from Earth's orbit at its closest point. This means that there is a wide berth between this asteroid and Earth at all times.

2004 RX10 has 106 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
March 15, 2019 56,768,787 14.136
Sept. 15, 2019 30,644,593 7.984
Dec. 10, 2019 43,968,738 7.528
Oct. 1, 2020 65,094,423 23.236
July 11, 2025 68,700,506 23.504
May 9, 2026 41,311,381 7.111
July 27, 2026 31,771,961 7.708
Jan. 31, 2027 57,739,286 14.454
Oct. 15, 2027 15,019,468 12.530
June 26, 2033 19,180,396 12.069
March 11, 2034 57,425,409 14.454
Sept. 20, 2034 28,493,695 7.852
Oct. 1, 2035 70,038,898 24.300
July 10, 2040 65,138,718 22.762
May 3, 2041 43,230,599 7.978
July 30, 2041 32,795,261 7.858
Jan. 29, 2042 57,390,348 14.278
Oct. 15, 2042 17,636,482 13.134
June 26, 2048 19,554,399 12.202
March 12, 2049 57,265,092 14.380
Sept. 18, 2049 29,310,524 7.908
Dec. 3, 2049 41,844,885 6.270
Oct. 1, 2050 68,242,486 23.908
July 11, 2055 66,868,189 23.126
May 6, 2056 41,989,016 7.420
July 28, 2056 32,159,701 7.757
Jan. 31, 2057 57,687,551 14.437
Oct. 15, 2057 15,005,410 12.526
June 28, 2063 22,140,397 13.025
March 15, 2064 56,771,127 14.120
Sept. 13, 2064 31,050,083 8.040
Dec. 11, 2064 44,492,868 7.789
Oct. 2, 2065 63,587,660 22.930
July 13, 2070 72,981,118 24.462
July 22, 2071 29,884,416 7.526
Feb. 5, 2072 58,197,788 14.754
Oct. 16, 2072 10,368,850 11.295
June 29, 2078 27,298,163 14.370
March 22, 2079 55,766,475 13.644
Sept. 7, 2079 33,177,016 8.176
Dec. 22, 2079 47,811,913 9.428
Oct. 4, 2080 56,508,971 21.453
July 11, 2086 25,861,288 7.252
Feb. 13, 2087 58,685,942 15.038
Oct. 17, 2087 8,478,060 9.552
July 2, 2093 37,416,502 16.762
April 1, 2094 53,455,985 12.543
Aug. 27, 2094 35,181,068 8.296
Jan. 3, 2095 51,880,388 11.415
Oct. 8, 2095 44,934,173 18.985
June 29, 2101 19,069,828 7.833
Feb. 23, 2102 58,788,924 15.113
Oct. 13, 2102 15,725,045 7.922
July 6, 2108 49,198,800 19.349
April 14, 2109 49,891,200 10.913
Aug. 16, 2109 35,463,112 8.243
Jan. 17, 2110 55,046,095 13.029
Oct. 13, 2110 31,972,644 16.254
June 26, 2116 15,396,899 9.575
March 2, 2117 58,429,870 14.938
Oct. 2, 2117 22,861,502 7.602
July 10, 2123 57,149,313 21.057
April 23, 2124 46,882,928 9.569
Aug. 8, 2124 34,455,674 8.102
Jan. 23, 2125 56,422,839 13.779
Oct. 14, 2125 24,286,068 14.592
June 28, 2131 16,854,863 11.263
March 9, 2132 57,784,797 14.631
Sept. 23, 2132 27,506,069 7.783
Oct. 1, 2133 72,083,012 24.733
July 12, 2138 64,593,239 22.678
May 4, 2139 43,308,509 7.961
Aug. 1, 2139 32,727,284 7.869
Jan. 31, 2140 57,451,925 14.347
Oct. 16, 2140 16,927,330 12.943
June 29, 2146 21,082,649 12.742
March 16, 2147 56,977,666 14.240
Sept. 16, 2147 30,612,779 8.003
Dec. 11, 2147 43,804,876 7.468
Oct. 3, 2148 64,856,995 23.204
July 14, 2153 73,246,895 24.528
July 21, 2154 29,429,448 7.498
Feb. 8, 2155 58,300,306 14.819
Oct. 18, 2155 9,422,739 10.912
July 1, 2161 30,736,242 15.248
March 27, 2162 55,040,266 13.279
Sept. 4, 2162 34,173,924 8.268
Dec. 28, 2162 49,567,355 10.318
Oct. 8, 2163 51,811,994 20.437
July 7, 2169 23,511,296 7.243
Feb. 17, 2170 58,819,512 15.103
Oct. 17, 2170 10,353,212 8.897
July 4, 2176 40,920,616 17.553
April 6, 2177 52,526,075 12.073
Aug. 25, 2177 35,458,937 8.331
Jan. 9, 2178 53,012,666 12.025
Oct. 11, 2178 40,688,624 18.096
June 28, 2184 17,015,709 8.409
Feb. 26, 2185 58,717,024 15.086
Oct. 9, 2185 18,638,062 7.663
July 8, 2191 49,494,279 19.416
April 14, 2192 49,950,725 10.876
Aug. 16, 2192 35,333,949 8.248
Jan. 16, 2193 55,004,521 13.051
Oct. 12, 2193 32,324,137 16.312
June 27, 2199 15,223,985 9.606

Images and Observations

2004 RX10's orbit is determined by observations dating back to Sept. 8, 2004. It was last officially observed on Aug. 1, 2018. The IAU Minor Planet Center records 152 observations used to determine its orbit.

Accessibility and Exploration

2004 RX10 can be reached with a journey of 402 days. This trajectory would require a delta-v of 11.697 km/s. To put this into perspective, the delta-v to launch a rocket to Low-Earth Orbit is 9.7 km/s. There are 33 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2004 RX10.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2004 RX10:

References

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Orbital Elements

  • Epoch: 2458600.5 JD
  • Semi-major axis: 0.919779959577 AU
  • Eccentricity: 0.351247690244
  • Inclination: 5.95657036577°
  • Longitude of Ascending Node: 173.64384926°
  • Argument of Periapsis: 334.103540005°
  • Mean Anomaly: 61.8022461183°

Physical Characteristics

  • Diameter: ~2.62 km
  • Magnitude: 21.3

Derived Characteristics

  • Orbit Period: 322 days (0.88 years)
  • Avg. Orbit Speed: 31.06 km/s
  • Aphelion Distance: 1.24 AU
  • Perihelion Distance: 0.60 AU

Size Comparison

Orbit Simulation

Sky Map

The position of 523605 (2004 RX10) is indicated by a ◯ pink circle. Note that the object may not be in your current field of view. Use the controls below to adjust position, location, and time.