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629 Bernardina (A907 EL)
Classification: Main-belt Asteroid          SPK-ID: 2000629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585037294400919 3.8566e-08  
a 3.135566317538183 1.4166e-08 au
q 2.638567362301645 1.1976e-07 au
i 9.236424565825921 4.1716e-06 deg
node 86.42420918434338 2.4849e-05 deg
peri 37.58956467176672 2.7527e-05 deg
M 213.2763470009901 1.3447e-05 deg
tp 2460027.051737437069
(2023-Mar-23.55173744)
7.753e-05 TDB
period 2028.020836417921
5.55
1.3744e-05
3.763e-08
d
yr
n .1775129690658729 1.203e-09 deg/d
Q 3.63256527277472 1.6412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2816  
   data-arc span      41564 days (113.80 yr)  
   first obs. used      1907-03-07  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:12:18  

Additional Information
 Earth MOID = 1.66143 au 
 Jupiter MOID = 1.5145 au 
 T_jup = 3.173 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.07   n/a E2021B10  
diameter diameter 35.087 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.763 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Licchelli, D. (2006) Minor Planet Bull. 33, 50-51.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.140   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

629 Bernardina (A907 EL)          Discovered 1907-Mar-07 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 EL = 1929 AD = 1949 UJ = 1961 XY = 1962 AC = 1963 GE = A907 GB = A922 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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