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413 Edburga

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413 Edburga
A three-dimensional model of 413 Edburga based on its light curve
Discovery[1]
Discovered byMax Wolf
Discovery date7 January 1896
Designations
(413) Edburga
1896 CL
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc99.18 yr (36,225 d)
Aphelion3.47021 AU (519.136 Gm)
Perihelion1.69586 AU (253.697 Gm)
2.58304 AU (386.417 Gm)
Eccentricity0.34346
4.15 yr (1,516.3 d)
83.4524°
0° 14m 14.694s / day
Inclination18.7206°
103.866°
252.655°
Physical characteristics
Dimensions31.95±2.8 km[1]
15.773 h (0.6572 d)[1]
−45°[2] (β)
202°[2] (λ)
0.1466±0.029[1]
10.18[1]

413 Edburga is a typical Main belt asteroid. Max Wolf discovered it on 7 January 1896 at Heidelberg Observatory.[1] The origen of the name is unknown.[3] This asteroid is orbiting the Sun at a distance of 2.58 AU with a period of 4.15 yr and an eccentricity of 0.34. Its orbital plane is inclined at an angle of 18.7° to the plane of the ecliptic.[1]

Analysis of the asteroid's light curve based on photometric data collected during 2011 shows a rotation period of 15.78±0.02 h with a brightness variation of 0.53±0.02 in magnitude. This is consistent with prior results.[4] This is classified as an M-type asteroid in the Tholen system and X-type in the Bus and Binzel taxonomy,[5] with a moderate albedo and generally featureless near infrared spectra. An absorption feature has been detected at a wavelength 3 μm, suggesting this is W-type.[5] It spans a diameter of 31.95±2.8 km.[6] Radar echoes are bimodal, suggesting a bifurcated structure that is likely a contact binary.[5]

References

[edit]
  1. ^ a b c d e f g h "413 Edburga (1896 CL)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.
  2. ^ a b MacLennan, Eric M.; Emery, J. P. (October 2013), "Constraints on Spin Axis and Thermal Properties of Asteroids in the WISE Catalog", American Astronomical Society, DPS meeting #45, Bibcode:2013DPS....4520819M, 208.19
  3. ^ Schmadel, Lutz D. (2009), Dictionary of Minor Planet Names, Addendum to Fifth Edition: 2006 - 2008, p. 217, ISBN 9783642019654.
  4. ^ Warner, Brian D. (April 2012), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2011 September - December", The Minor Planet Bulletin, 39 (2): 69–80, Bibcode:2012MPBu...39...69W, ISSN 1052-8091
  5. ^ a b c Shepard, Michael K.; et al. (January 2015), "A radar survey of M- and X-class asteroids. III. Insights into their composition, hydration state, & structure", Icarus, 245: 38–55, Bibcode:2015Icar..245...38S, doi:10.1016/j.icarus.2014.09.016.
  6. ^ Hardersen, P. S.; et al. (March 2007), "Near-IR Reflectance Spectra of M-Asteroids 250 Bettina, 369 Aeria, 413 Edburga, and 931 Whittemora", 38th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXVIII), held March 12–16, 2007 in League City, Texas. LPI Contribution No. 1338, p. 1956, Bibcode:2007LPI....38.1956H.
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