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 ]  
(2013 WU44)
Classification: Apollo [NEO]          SPK-ID: 3653917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3900172406458013 6.0659e-08  
a 1.515858046620049 1.2659e-07 au
q .9246472740665632 4.3739e-08 au
i 17.86649024166136 2.1103e-05 deg
node 74.29756045830123 1.1228e-05 deg
peri 94.91948206225925 2.6065e-05 deg
M 117.4915436196408 0.00014869 deg
tp 2458778.020327817976
(2019-Oct-21.52032782)
0.00025386 TDB
period 681.6889072869395
1.87
8.5395e-05
2.338e-07
d
yr
n .5281001291817519 6.6155e-08 deg/d
Q 2.107068819173536 1.7597e-07 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      777 days (2.13 yr)  
   first obs. used      2013-11-27  
   last obs. used      2016-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .45486  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:43:30  

Additional Information
 Earth MOID = .144523 au 
 Jupiter MOID = 3.00661 au 
 T_jup = 4.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.0   n/a MPO297945  
diameter diameter 0.286 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.086   0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 11:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin