892 Seeligeria

892 SeeligeriaDiscovery

Discovered by| M. F. Wolf
Discovery site| Heidelberg Obs.
Discovery date| 31 May 1918
Designations

MPC designation

| (892) Seeligeria

Alternative designations

| 1918 DR
Minor planet category| main-belt * (outer)
Alauda[1]
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 97.87 yr (35747 days)
|{{{apsis}}}|helion}}| 3.5632 astronomical unit|AU (533.05 Gm)
|{{{apsis}}}|helion}}| 2.8970 AU (433.39 Gm)

Semi-major axis

| 3.2301 AU (483.22 Gm)
Eccentricity| 0.10312
Orbital period| 5.81 yr (2120.4 d)
Mean anomaly| 83.4390°
Mean motion| 0° 10m 11.208s / day
Inclination| 21.335°
Longitude of ascending node| 175.926°

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

| 287.377°
Earth MOID| 1.98994 AU (297.691 Gm)
Jupiter MOID| 1.66162 AU (248.575 Gm)
TJupiter| 3.071
Physical characteristics
Mean radius| 38.01±0.8 km
Rotation period| 15.78 h,[3] 41.40 h (1.725 d)[2]
Geometric albedo| 0.0485±0.002
Absolute magnitude (H)| 9.7

892 Seeligeria is dark Alauda asteroid from the outer region of the asteroid belt that was discovered by German astronomer Max Wolf on May 31, 1918 in Heidelberg and assigned a preliminary designation of 1918 DR. It was named after German astronomer Hugo Hans von Seeliger.

Photometric observations at the Oakley Observatory in Terre Haute, Indiana, during 2007 were used to build a light curve for 892 Seeligeria. The asteroid displayed a rotation period of 15.78 ± 0.04 hours and a brightness variation of 0.35 ± 0.07 in magnitude.[3]

Seeligeria is a member of the Alauda family (902),[1] a large family of typically bright carbonaceous asteroids and named after its parent body, 702 Alauda.[4]: 23

## References

1. ↑ 1.0 1.1 "Asteroid 892 Seeligeria – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=892+Seeligeria.
2. ↑ 2.0 2.1 "892 Seeligeria (1918 DR)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=892;cad=1.
3. ↑ 3.0 3.1 Shipley, Heath et al. (September 2008), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: September 2007", The Minor Planet Bulletin 35 (3): 99–101, Bibcode: 2008MPBu...35...99S, http://www.minorplanet.info/MPB/MPB_35-3.pdf, retrieved 2013-03-23.
4. ↑ Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131. Bibcode: 2015aste.book..297N.

## External links

* 892 Seeligeria at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 892 Seeligeria at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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