252 Clementina

Lightcurve-base 3D-model of 252 Clementina.

Discovery
Discovered by| J. Perrotin
Discovery date| 11 October 1885
Designations

MPC designation

| (252) Clementina

Alternative designations

| A885 TB
Minor planet category| Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc| 130.51 yr (47667 d)
|{{{apsis}}}|helion}}| 3.3790 astronomical unit|AU (505.49 Gm)
|{{{apsis}}}|helion}}| 2.93952 AU (439.746 Gm)

Semi-major axis

| 3.15924 AU (472.616 Gm)
Eccentricity| 0.069548
Orbital period| 5.62 yr (2051.0 d)
Average Orbital speed| 16.77 km/s
Mean anomaly| 131.151°
Mean motion| 0° 10m 31.876s / day
Inclination| 10.044°
Longitude of ascending node| 202.043°

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

| 155.886°
Physical characteristics
Dimensions| 69.29±4.4 km
Rotation period| 10.864 h (0.4527 d)[1][2]
Geometric albedo| 0.0843±0.012
Absolute magnitude (H)| 9.7

252 Clementina is a large main belt asteroid that was discovered by French astronomer Henri Joseph Anastase Perrotin on 11 October 1885 in Nice, France.[3] The origin of the name is not known.

Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico, during 2012 gave a light curve with a period of 10.864 ± 0.001 hours and a brightness variation of 0.37 ± 0.02 in magnitude. This result is in agreement with previous studies.[2]

## References

1. ↑ 1.0 1.1 Yeomans, Donald K., "252 Clementina", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=252, retrieved 12 May 2016.
2. ↑ 2.0 2.1 Pilcher, Frederick (October 2012), "Rotation Period Determinations for 47 Aglaja, 252 Clementina, 611 Valeria, 627 Charis, and 756 Lilliana", Minor Planet Bulletin 39: pp. 220–222, Bibcode: 2012MPBu...39..220P.
3. ↑ "Numbered Minor Planets 1–5000", Discovery Circumstances (IAU Minor Planet center), https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html, retrieved 2013-04-07.

## External links

* Lightcurve plot of 252 Clementina[Usurped!], Palmer Divide Observatory, B. D. Warner (2007)
* 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
* 252 Clementina at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 252 Clementina at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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