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4074 Sharkov (1981 UN11)
Classification: Main-belt Asteroid          SPK-ID: 2004074
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03557426667985833 1.9541e-08  
a 3.0232826277231 1.3714e-08 au
q 2.915731565275896 6.0228e-08 au
i 9.846195761823722 1.6985e-06 deg
node 188.9604246889602 9.2673e-06 deg
peri 61.92047770193804 3.6045e-05 deg
M 301.9444295097792 2.9206e-05 deg
tp 2459510.140632546692
(2021-Oct-22.64063255)
0.00015573 TDB
period 1920.067734681652
5.26
1.3065e-05
3.577e-08
d
yr
n .1874933855183438 1.2758e-09 deg/d
Q 3.130833690170305 1.4202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2701  
   data-arc span      25254 days (69.14 yr)  
   first obs. used      1952-01-31  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:23:28  

Additional Information
 Earth MOID = 1.91738 au 
 Jupiter MOID = 1.86495 au 
 T_jup = 3.222 
[ 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 12.42   n/a MPCxxxxx  
diameter diameter 12.013 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4074 Sharkov (1981 UN11)          Discovered 1981-Oct-22 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 UN11 = 1984 FH = 1986 TA3 = 1989 EH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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