25000 Astrometria

25000 Astrometria
Discovery[1]
Discovered by Paul G. Comba
Discovery site Prescott Observatory
Discovery date 28 July 1998
Designations
MPC designation 25000
Named after
 Astrometry
1998 OW5
Main belt [2]
Orbital characteristics[3][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 12154 days (33.28 yr)
Aphelion 3.4724 AU (519.46 Gm)
Perihelion 2.8567 AU (427.36 Gm)
3.16453 AU (473.407 Gm)
Eccentricity 0.097290
5.63 yr (2056.2 d)
202.605°
0° 10m 30.288s / day
Inclination 14.936°
142.061°
12.899°
Earth MOID 1.8695 AU (279.67 Gm)
Jupiter MOID 1.54551 AU (231.205 Gm)
Jupiter Tisserand parameter 3.144
Physical characteristics
Dimensions 22.77 kilometres (14.15 mi) ± 1.8 kilometres (1.1 mi)
Mean diameter[4]
Mean radius
 11.385 ± 0.9 km
0.0311 ± 0.006 [4]
12.6,[5] 12.7[2]

    25000 Astrometria (1998 OW5) is a main-belt asteroid discovered on July 28, 1998 by Paul G. Comba at Prescott Observatory.[1] It is named after the technique of astrometry which is used to discover many minor planets.[6] The asteroid made its closest approach to earth at a distance of 1.912 AU on March 21, 2013.[7]

    References

    1. 1 2 "Discovery Circumstances: Numbered Minor Planets (20001)-(25000)". IAU: Minor Planet Center. Retrieved January 7, 2009.
    2. 1 2 3 "25000 Astrometria (1998 OW5)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
    3. ↑ "(25000) Astrometria". AstDyS. Italy: University of Pisa. Retrieved January 8, 2009.
    4. 1 2 Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on March 11, 2007. Retrieved January 7, 2009.
    5. ↑ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on December 1, 2008. Retrieved January 7, 2009.
    6. ↑ Schmadel, Lutz (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 876. ISBN 3-540-00238-3. Retrieved January 8, 2009.
    7. ↑ "Asteroid 25000 Astrometria Closest To Earth (1.912 AU". Zapaday.com. November 16, 2012. Retrieved February 23, 2013.

    External links


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