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4964 Kourovka (1979 OD15)
Classification: Main-belt Asteroid          SPK-ID: 2004964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233334043718421 2.9007e-08  
a 2.262153227044024 6.0124e-09 au
q 1.983154168341935 6.662e-08 au
i 4.919290739866005 3.185e-06 deg
node 167.4058951101072 2.8596e-05 deg
peri 204.8070202963364 3.0824e-05 deg
M 8.460610416097428 1.0455e-05 deg
tp 2459171.293423621625
(2020-Nov-17.79342362)
3.6114e-05 TDB
period 1242.743369463057
3.40
4.9545e-06
1.356e-08
d
yr
n .2896816904004424 1.1549e-09 deg/d
Q 2.541152285746112 6.754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2818  
   data-arc span      15156 days (41.49 yr)  
   first obs. used      1979-07-21  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:21:30  

Additional Information
 Earth MOID = .982479 au 
 Jupiter MOID = 2.92295 au 
 T_jup = 3.604 
[ 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 13.60   n/a E2021B10  
diameter diameter 4.423 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.394   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4964 Kourovka (1979 OD15)          Discovered 1979-Jul-21 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 OD15 = 1986 RY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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