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 ]  
442190 (2011 EC72)
Classification: Main-belt Asteroid          SPK-ID: 2442190
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04576610305863217 8.1837e-08  
a 2.260108023602621 2.7949e-08 au
q 2.156671686870781 1.693e-07 au
i 4.453035828617995 8.8317e-06 deg
node 82.42054191394672 0.00011305 deg
peri 227.6851216001543 0.00018437 deg
M 27.35178643420426 0.00013799 deg
tp 2458506.207876031295
(2019-Jan-22.70787603)
0.00047633 TDB
period 1241.058411683278
3.40
2.3021e-05
6.303e-08
d
yr
n .2900749848765967 5.3806e-09 deg/d
Q 2.36354436033446 2.9228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2004-03-17  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:34  

Additional Information
 Earth MOID = 1.14379 au 
 Jupiter MOID = 2.72643 au 
 T_jup = 3.615 
[ 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 17.9   n/a MPO446753  

442190 (2011 EC72)          Discovered 2004-Mar-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 EC72 = 2004 FJ154 = 2009 WS73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin