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 ]  
212124 (2005 EW209)
Classification: Main-belt Asteroid          SPK-ID: 2212124
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03421136627500419 7.7365e-08  
a 2.579735056283815 2.2558e-08 au
q 2.491478795380821 1.8865e-07 au
i 2.95342954757868 7.2293e-06 deg
node 211.5118632634822 8.6662e-05 deg
peri 340.5539136641872 0.00011208 deg
M 130.1479386953943 7.3901e-05 deg
tp 2458053.363260253346
(2017-Oct-26.86326025)
0.00030945 TDB
period 1513.425631502269
4.14
1.9851e-05
5.435e-08
d
yr
n .237870954810415 3.12e-09 deg/d
Q 2.667991317186809 2.333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8216 days (22.49 yr)  
   first obs. used      1997-04-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:32  

Additional Information
 Earth MOID = 1.49037 au 
 Jupiter MOID = 2.29221 au 
 T_jup = 3.423 
[ 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 16.8   n/a MPO450006  

212124 (2005 EW209)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EW209 = 2003 WK162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin