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 ]  
226561 (2003 WJ52)
Classification: Main-belt Asteroid          SPK-ID: 2226561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02188145804748017 6.5045e-08  
a 3.183352387408585 4.488e-08 au
q 3.113695995693158 2.2803e-07 au
i 8.73964556814278 5.76e-06 deg
node 238.3275674343694 4.4026e-05 deg
peri 88.2930594381142 0.00017375 deg
M 42.53665784703996 0.00016343 deg
tp 2458755.375701085922
(2019-Sep-28.87570109)
0.00094284 TDB
period 2074.557618663703
5.68
4.3872e-05
1.201e-07
d
yr
n .173530971982301 3.6697e-09 deg/d
Q 3.253008779124012 4.5862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6306 days (17.26 yr)  
   first obs. used      2002-07-20  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:59  

Additional Information
 Earth MOID = 2.11771 au 
 Jupiter MOID = 1.83398 au 
 T_jup = 3.180 
[ 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 15.4   n/a MPO450051  
diameter diameter 5.950 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226561 (2003 WJ52)          Discovered 2003-Nov-20 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 15:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin