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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
226620 (2004 EW5)
Classification: Main-belt Asteroid          SPK-ID: 2226620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145437652285485 4.1963e-08  
a 2.320853342470426 1.2635e-08 au
q 2.055014062080602 9.6019e-08 au
i 3.118664010822945 6.4509e-06 deg
node 139.7762168377596 6.9397e-05 deg
peri 75.7175996637492 7.4981e-05 deg
M 68.05633119456859 2.7738e-05 deg
tp 2458356.361649494533
(2018-Aug-25.86164949)
9.8869e-05 TDB
period 1291.427331436612
3.54
1.0546e-05
2.887e-08
d
yr
n .2787613296053819 2.2764e-09 deg/d
Q 2.586692622860251 1.4082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8734 days (23.91 yr)  
   first obs. used      1995-10-25  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:54:42  

Additional Information
 Earth MOID = 1.05104 au 
 Jupiter MOID = 2.38142 au 
 T_jup = 3.567 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO437074  
diameter diameter 2.225 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226620 (2004 EW5)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 11:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin