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5424 Covington (1983 TN1)
Classification: Main-belt Asteroid          SPK-ID: 2005424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04324162592588873 2.9651e-08  
a 2.235869642284521 5.7619e-09 au
q 2.139187003593803 6.6365e-08 au
i 3.243264197850934 3.3525e-06 deg
node 237.8844861199756 5.7841e-05 deg
peri 152.3879716726057 7.0514e-05 deg
M 334.7816307740796 3.9885e-05 deg
tp 2459086.042638985401
(2020-Aug-24.54263899)
0.00013529 TDB
period 1221.147559497684
3.34
4.7204e-06
1.292e-08
d
yr
n .2948046672984264 1.1396e-09 deg/d
Q 2.332552280975239 6.0111e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2407  
   data-arc span      18729 days (51.28 yr)  
   first obs. used      1969-07-20  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:36  

Additional Information
 Earth MOID = 1.14461 au 
 Jupiter MOID = 2.81769 au 
 T_jup = 3.635 
[ 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 13.2   n/a MPO337299  
diameter diameter 4.439 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.516   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5424 Covington (1983 TN1)          Discovered 1983-Oct-12 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 TN1 = 1969 OG1 = 1975 EC5 = 1978 EE4 = 1988 CR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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