2013 LX28

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2013 LX28
Discovery
Discovered by Pan-STARRS
Discovery date12 June 2013
Designations
2013 LX28
Orbital characteristics [2] [3] [4]
Epoch 13 January 2016 (JD  2457400.5)
Uncertainty parameter 1
Aphelion 1.4543719  AU (217.57094  Gm)
Perihelion 0.5488609 AU (82.10842 Gm)
1.00161641 AU (149.839682 Gm)
Eccentricity 0.4520249
1.00  yr (366.14  d)
61.458811°
0° 58m 59.602s /day
Inclination 49.97420°
76.679354°
345.77666°
Earth  MOID 0.373137 AU (55.8205 Gm)
Jupiter  MOID 3.8786 AU (580.23 Gm)
Physical characteristics
Dimensions130–300 m [a] [5]
21.7 [2]

    2013 LX28, is an asteroid, classified as near-Earth object of the Apollo group that is a temporary quasi-satellite of the Earth, the third known Earth quasi-satellite. [6] [7]

    Contents

    Discovery, orbit and physical properties

    2013 LX28 was discovered on 12 June 2013. As of September 2014, it has been observed 26 times with a data-arc span of 349 days. It is an Apollo asteroid and its semi-major axis (1.0016 AU) is very similar to that of the Earth but it has relatively high eccentricity (0.4521) and high orbital inclination (49.9761°). With an absolute magnitude of 21.7, it has a diameter in the range 130–300 m (for an assumed albedo range of 0.04–0.20).

    Quasi-satellite dynamical state and orbital evolution

    2013 LX28 has been identified as an Earth quasi-satellite following a kidney-shaped retrograde orbit around the Earth. [6] [7]

    See also

    Notes

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    References

    1. ↑ "List Of Apollo Minor Planets (by designation)". Minorplanetcenter.org. Retrieved 24 December 2014.
    2. 1 2 3 "2013 LX28". JPL Small-Body Database . Jet Propulsion Laboratory. SPK-ID:  3643996 . Retrieved 3 April 2016.
    3. ↑ "AstDyS". NEODyS . Retrieved 24 December 2014.
    4. ↑ "NEODyS". NEODyS . Retrieved 24 December 2014.
    5. ↑ "Glossary: Absolute Magnitude (H)". Neo.jpl.nasa.gov. Archived from the original on 2 March 2001. Retrieved 24 December 2014.
    6. 1 2 Connors, M. (2014). "A Kozai-resonating Earth quasi-satellite". Monthly Notices of the Royal Astronomical Society . 437 (1): L85–L89. Bibcode:2014MNRAS.437L..85C. doi: 10.1093/mnrasl/slt147 .
    7. 1 2 de la Fuente Marcos, C.; de la Fuente Marcos, R. (2014). "Asteroid 2014 OL339: yet another Earth quasi-satellite". Monthly Notices of the Royal Astronomical Society . 445 (3): 2985–2994. arXiv: 1409.5588 . Bibcode:2014MNRAS.445.2961D. doi:10.1093/mnras/stu1978.
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