Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
29228 (1992 EC)
Classification: Main-belt Asteroid          SPK-ID: 2029228
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0676955964884997 5.3971e-08  
a 2.36160148104001 1.8296e-08 AU
q 2.201731460112883 1.2727e-07 AU
i 6.798382791027194 6.7631e-06 deg
node 349.41598885878 4.9287e-05 deg
peri 245.1484689599188 7.1995e-05 deg
M 343.9710901260696 5.1751e-05 deg
tp 2456859.521444169334
(2014-Jul-21.02144417)
0.0001905 JED
period 1325.587333641303
3.63
1.5404e-05
4.217e-08
d
yr
n .271577730764146 3.1559e-09 deg/d
Q 2.521471501967138 1.9534e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      9682 days (26.51 yr)  
   first obs. used      1987-12-24  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50428  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:00:25  

Additional Information
 Earth MOID = 1.20158 AU 
 T_jup = 3.538 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO257067  

29228 (1992 EC)          Discovered 1992-Mar-02 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EC = 1987 YK5 = 1992 GH5 = 1999 AY4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-22 09:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin