Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679200168703644 3.7508e-08  
a 3.208926788529834 2.0222e-08 au
q 2.67008374806414 1.2747e-07 au
i 1.766911512550992 3.5726e-06 deg
node 86.03105684388973 0.00012923 deg
peri 268.7724400514355 0.00012964 deg
M 317.5717402316928 1.2552e-05 deg
tp 2459447.951937431653
(2021-Aug-21.45193743)
7.4405e-05 TDB
period 2099.607619116571
5.75
1.9847e-05
5.434e-08
d
yr
n .1714606085071616 1.6207e-09 deg/d
Q 3.747769828995527 2.3617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2016  
   data-arc span      15979 days (43.75 yr)  
   first obs. used      1976-12-16  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48067  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:06:57  

Additional Information
 Earth MOID = 1.66442 au 
 Jupiter MOID = 1.69475 au 
 T_jup = 3.169 
[ 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 12.94   n/a E2020-QM5  
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

[ show close-approach data ]
Alternate Designations
 1981 TO3 = 1976 YS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 13:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin