281 Lucretia

281 Lucretia
	A three-dimensional model of 281 Lucretia based on its light curve
Discovery
Discovered by	Johann Palisa
Discovery date	31 October 1888
Designations
MPC designation	(281) Lucretia
Named after	Caroline Lucretia Herschel
Alternative designations	A906 FD; 1948 EK;; 1984 JX
Minor planet category	Main belt (Flora family)
Orbital characteristics [1]
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	126.00 yr (46020 d)
Aphelion	2.47750 AU (370.629 Gm)
Perihelion	1.89821 AU (283.968 Gm)
Semi-major axis	2.18786 AU (327.299 Gm)
Eccentricity	0.13239
Orbital period	3.24 yr (1182.0 d)
Mean anomaly	161.880°
Mean motion	0° 18m 16.423s / day
Inclination	5.30407°
Longitude of ascending node	31.4134°
Argument of perihelion	16.7540°
Physical characteristics
Dimensions	11.76±0.9 km [1]; 12 km [2]
Mean density	~2.7 g/cm³[3]
Rotation period	0.181 d (4.348 h)[4]
Geometric albedo	0.1987±0.035 [1]; 0.199 [2]
Spectral type	S [5]
Absolute magnitude (H)	12.02

281 Lucretia is an asteroid belonging to the Flora family in the Main Belt.^[4]

It was discovered by Johann Palisa on 31 October 1888 in Vienna. It is named for the middle name of Caroline Herschel, one of the first female astronomers.^[6]

References

1 2 3 "281 Lucretia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
1 2 Supplemental IRAS Minor Planet Survey Archived June 23, 2006, at Archive.is
↑ G. A. Krasinsky; et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158: 98. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.
1 2 Kryszczynska, A.; et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region". Astronomy & Astrophysics. 546: 51. Bibcode:2012A&A...546A..72K. doi:10.1051/0004-6361/201219199. A72.
↑ "Asteroid Taxonomy". Planetary Science Institute. Retrieved 2016-02-27.
↑ Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (281) Lucretia. Springer Berlin Heidelberg. p. 38. doi:10.1007/978-3-540-29925-7_282. ISBN 978-3-540-00238-3. Retrieved August 18, 2018.

External links

281 Lucretia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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[jpldata-1] 1 2 3 "281 Lucretia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

[IRAS-2] 1 2 Supplemental IRAS Minor Planet Survey Archived June 23, 2006, at Archive.is

[Krasinsky-3] G. A. Krasinsky; et al. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158: 98. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.

[Kryszczynska-2012b-4] 1 2 Kryszczynska, A.; et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region". Astronomy & Astrophysics. 546: 51. Bibcode:2012A&A...546A..72K. doi:10.1051/0004-6361/201219199. A72.

[5] "Asteroid Taxonomy". Planetary Science Institute. Retrieved 2016-02-27.

[6] Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (281) Lucretia. Springer Berlin Heidelberg. p. 38. doi:10.1007/978-3-540-29925-7_282. ISBN 978-3-540-00238-3. Retrieved August 18, 2018.