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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04335239208081645 9.6547e-09  
a 2.236138441744256 5.1539e-09 au
q 2.139196491270773 2.2687e-08 au
i 3.243092407407554 8.3319e-07 deg
node 237.8858570309406 1.1167e-05 deg
peri 152.4924108149117 2.2977e-05 deg
M 33.63953683630378 2.01e-05 deg
tp 2459086.371537865724
(2020-Aug-24.87153787)
6.8239e-05 TDB
period 1221.36777828638
3.34
4.2226e-06
1.156e-08
d
yr
n .2947515125256475 1.019e-09 deg/d
Q 2.333080392217739 5.3773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2744  
   data-arc span      18875 days (51.68 yr)  
   first obs. used      1969-07-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:15:55  

Additional Information
 Earth MOID = 1.14337 au 
 Jupiter MOID = 2.81655 au 
 T_jup = 3.635 
[ 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 13.28   n/a E2021B10  
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. 2020-October); 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

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