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4244 Zakharchenko (1981 TO3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684870743817466 3.8355e-08  
a 3.202183103319154 2.0574e-08 au
q 2.662656640606248 1.2859e-07 au
i 1.768084586963366 3.6638e-06 deg
node 86.03161282205707 0.00013587 deg
peri 269.5521576750949 0.00013627 deg
M 213.7618848762189 1.2348e-05 deg
tp 2459450.709100457654
(2021-Aug-24.20910046)
7.5586e-05 TDB
period 2092.992486300049
5.73
2.0171e-05
5.523e-08
d
yr
n .172002528607449 1.6577e-09 deg/d
Q 3.741709566032061 2.404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1884  
   data-arc span      15486 days (42.40 yr)  
   first obs. used      1976-12-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:19:22  

Additional Information
 Earth MOID = 1.65802 au 
 Jupiter MOID = 1.69823 au 
 T_jup = 3.171 
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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 12.9   n/a MPO347556  
diameter diameter 15.114 km 2.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.051   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

4244 Zakharchenko (1981 TO3)          Discovered 1981-Oct-07 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 TO3 = 1976 YS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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