2003 Harding

2003 HardingDiscovery[1]

Discovered by| C. J. van Houten
I. van Houten-G.
T. Gehrels
Discovery site| Palomar Obs.
Discovery date| 24 September 1960
Designations

MPC designation

| (2003) Harding
Named after| Karl Harding
(German astronomer)[2]

Alternative designations

| 6559 P-L * 1934 XH
1941 BH * 1952 BP
1952 DT * 1971 SU1
1972 YT * 1973 AG1
Minor planet category| main-belt * (outer)
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc| 82.47 yr (30,122 days)
|{{{apsis}}}|helion}}| 3.4477 AU
|{{{apsis}}}|helion}}| 2.6723 AU

Semi-major axis

| 3.0600 AU
Eccentricity| 0.1267
Orbital period| 5.35 yr (1,955 days)
Mean anomaly| 98.138°
Mean motion| 0° 11m 2.76s / day
Inclination| 1.8693°
Longitude of ascending node| 64.474°

|{{{apsis}}}|helion}}

| 70.697°
Physical characteristics
Dimensions| 20.173±0.112[3]
Rotation period| 2.96 h (0.123 d)[4]
Geometric albedo| 0.065±0.005[3]

Spectral type

| C[5]
Absolute magnitude (H)| 12.0[1]

2003 Harding, provisional designation 6559 P-L, is a carbonaceous Eoan asteroid from the outer regions of the asteroid belt, approximately 18 kilometers in diameter. It was discovered during the Palomar–Leiden survey on 24 September 1960, by astronomers Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels at Palomar, California.[6] The asteroid was later named after astronomer Karl Ludwig Harding.[2]

## Contents

* 1 Orbit and characterization
* 2 Naming
* 3 References
* 4 External links

## Orbit and characterization

The asteroid is a member of the Eos family.[4] Orbiting the Sun at a distance of 2.7–3.4 AU once every 5 years and 4 months, the asteroid's path is nearly coplanar to the plane of the ecliptic with an orbital inclination of less than 2 degrees. It has a short rotation period of three hours.[1]

## Naming

The asteroid is named after German astronomer Karl Ludwig Harding (1765–1834), who discovered the minor planet 3 Juno. He is also honored by the lunar crater Harding.[2] The official naming citation was published by the Minor Planet Center on 15 October 1977 (M.P.C. 4238).[7]

## References

1. ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 2003 Harding (6559 P-L)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002003.
2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(2003) Harding". Dictionary of Minor Planet Names – (2003) Harding. Springer Berlin Heidelberg. p. 162. doi:10.1007/978-3-540-29925-7_2004. ISBN 978-3-540-00238-3.
3. ↑ 3.0 3.1 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J. et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal 741 (2): 20. doi:10.1088/0004-637X/741/2/68. Bibcode: 2011ApJ...741...68M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M. Retrieved 17 June 2017.
4. ↑ 4.0 4.1 Alvarez-Candal, Alvaro; Duffard, René; Angeli, Cláudia A.; Lazzaro, Daniela; Fernández, Silvia (December 2004). "Rotational lightcurves of asteroids belonging to families". Icarus 172 (2): 388–401. doi:10.1016/j.icarus.2004.06.008. Bibcode: 2004Icar..172..388A. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2004Icar..172..388A. Retrieved 17 June 2017.
5. ↑ "LCDB Data for (2003) Harding". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=2003|Harding.
6. ↑ "2003 Harding (6559 P-L)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2003.
7. ↑ Schmadel, Lutz D.. "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008). Springer Berlin Heidelberg. p. 221. doi:10.1007/978-3-642-01965-4. ISBN 978-3-642-01964-7.

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## External links

* Asteroid Lightcurve Database (LCDB), query form (info )
* Dictionary of Minor Planet Names, Google books
* Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
* Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
* 2003 Harding at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 2003 Harding at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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