6141 Durda

6141 DurdaDiscovery[1]

Discovered by| Spacewatch
Discovery site| Kitt Peak National Obs.
Discovery date| 26 December 1992
Designations

MPC designation

| (6141) Durda
Named after| Daniel D. Durda
(astronomer, artist)[2]

Alternative designations

| 1992 YC3 * 1983 AZ2
1988 AJ * 1989 PL
Minor planet category| Mars-crosser[1] * Hungaria[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc| 34.05 yr (12,435 days)
|{{{apsis}}}|helion}}| 2.0780 AU
|{{{apsis}}}|helion}}| 1.5580 AU

Semi-major axis

| 1.8180 AU
Eccentricity| 0.1430
Orbital period| 2.45 yr (895 days)
Mean anomaly| 55.898°
Mean motion| 0° 24m 7.56s / day
Inclination| 16.454°
Longitude of ascending node| 284.81°

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

| 145.73°
Physical characteristics
Dimensions| 3.20 km (calculated)[3]
4 km (est. at 0.25)[4]
Rotation period| 460±5 h[5]
Geometric albedo| 0.30 (assumed)[3]

Spectral type

| E[3]
Absolute magnitude (H)| 14.4[1][3]

6141 Durda, provisional designation 1992 YC3 is a stony Hungaria asteroid, classified as slow rotator and Mars-crosser from the innermost region of the asteroid belt, approximately 3.2 kilometers in diameter. It was discovered on 26 December 1992, by Spacewatch at Kitt Peak National Observatory in Arizona, United States.[6]

## Contents

* 1 Classification and orbit
* 2 Lightcurve
* 3 Diameter
* 4 Naming
* 5 References
* 6 External links

## Classification and orbit

This Mars-crosser and presumed E-type asteroid is also member of the Hungaria family, which form the innermost dense concentration of asteroids in the Solar System. It orbits the Sun in the inner main-belt at a distance of 1.6–2.1 AU once every 2 years and 5 months (895 days). Its orbit has an eccentricity of 0.14 and an inclination of 16° with respect to the ecliptic. On 22 September 2154, it will pass 0.0088 AU (1,320,000 km) from Mars.[1] Durda was first identified as 1983 AZ2 at Karl Schwarzschild Observatory in 1983, extending the body's observation arc by 9 years prior to its official discovery observation at Kitt Peak.[6]

## Lightcurve

In October 2009, a rotational lightcurve was obtained from photometric observations by Brian Warner at the Palmer Divide Station in Colorado. Lightcurve analysis gave a rotation period of 460±5 hours with a brightness variation of 0.50 magnitude ({{{1}}}).[5] Durda belongs to the Top 100 slow rotators known to exists.

## Diameter

Based on a magnitude-to-diameter conversion, Durda's generic diameter is between 3 and 7 kilometer for an absolute magnitude of 14.4, and an assumed albedo in the range of 0.05 to 0.25.[4] Since asteroids in the inner main-belt are typically of stony rather than carbonaceous composition, with albedos above 0.20, Durda's diameter can be estimate to measure around 4 kilometers, as the higher its albedo (reflectivity), the lower the body's diameter.[4] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.30 – a compromise value between 0.4 and 0.2, corresponding to the Hungaria asteroids both as family and orbital group – and calculates a diameter of 3.20 kilometers.[3]

## Naming

This minor planet was named in honor of American planetary scientist Daniel D. Durda, who has researched the generation, evolution, size distribution and fragmentation of minor planets, resulting in the formation of minor-planet moons. He was especially interested in (243) Ida I Dactyl when he was member of the Galileo mission team. Daniel Durda is also a pilot and an artist of astronomical paintings.[2] In 2015, he was awarded the Carl Sagan Medal for "communicating the wonder of planetary science through visual artistry".[7] The approved naming citation was published by the Minor Planet Center on 8 August 1998 (M.P.C. 32345).[8]

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 "JPL Small-Body Database Browser: 6141 Durda (1992 YC3)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006141.
2. ↑ 2.0 2.1 Schmadel, Lutz D. (2007). "(6141) Durda". Dictionary of Minor Planet Names – (6141) Durda. Springer Berlin Heidelberg. p. 512. doi:10.1007/978-3-540-29925-7_5671. ISBN 978-3-540-00238-3.
3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (6141) Durda". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=6141|Durda.
4. ↑ 4.0 4.1 4.2 "Absolute Magnitude (H)". NASA/JPL – Near Earth Object Program. http://neo.jpl.nasa.gov/glossary/h.html.
5. ↑ 5.0 5.1 Warner, Brian D. (April 2010). "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2009 September-December". The Minor Planet Bulletin 37 (2): 57–64. ISSN 1052-8091. Bibcode: 2010MPBu...37...57W. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2010MPBu...37...57W. Retrieved 12 March 2017.
6. ↑ 6.0 6.1 "6141 Durda (1992 YC3)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=6141.
7. ↑ "2015 Prize Recipients: Dan Durda - 2015 Carl Sagan Medal". AAS – American Astronomical Society, Division for Planetary Sciences. https://dps.aas.org/prizes/2015.
8. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html.

## External links

* Carl Sagan Medal for Excellence in Public Communication in Planetary Science
* Lightcurve plot of 6141 Durda, Palmer Divide Observatory, B. D. Warner (2009)
* 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 (5001)-(10000) – Minor Planet Center
* 6141 Durda at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 6141 Durda at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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