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JPL Small-Body Database Browser
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252 Clementina
Classification: Main-belt Asteroid          SPK-ID: 2000252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06625183968241316 3.8726e-08  
a 3.160391012816619 1.446e-08 au
q 2.951009294101753 1.2539e-07 au
i 10.03542838023118 4.1644e-06 deg
node 201.9575033423868 2.1968e-05 deg
peri 158.6317089073263 3.6692e-05 deg
M 303.4419072627606 2.9678e-05 deg
tp 2458922.905104338518
(2020-Mar-14.40510434)
0.00016928 TDB
period 2052.152608842228
5.62
1.4084e-05
3.856e-08
d
yr
n .1754255499561033 1.204e-09 deg/d
Q 3.369772731531486 1.5418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2834  
   data-arc span      48960 days (134.05 yr)  
   first obs. used      1885-10-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:51:21  

Additional Information
 Earth MOID = 1.95054 au 
 Jupiter MOID = 1.98956 au 
 T_jup = 3.178 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.7   n/a MPO302059  
diameter diameter 65.344 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.864 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2008) Minor Planet Bull. 35, 56-60.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2012) Minor Planet Bull. 39, 220-222.]
[Saylor, D.A.; Leake, M. (2012) J. Southeastern Assoc. for Research in Astron. 5, 25-28.]
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bull. 40, 17-20.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

252 Clementina          Discovered 1885-Oct-11 by Perrotin, J. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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