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 ]  
172855 (2005 EL46)
Classification: Main-belt Asteroid          SPK-ID: 2172855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262680818385042 4.772e-08  
a 2.320620231340436 1.2488e-08 au
q 2.027599966053453 1.1113e-07 au
i 1.939025353801567 4.8627e-06 deg
node 215.7609844483981 0.00012846 deg
peri 321.7604008863051 0.00012967 deg
M 97.54140942113997 1.9209e-05 deg
tp 2458650.642600308979
(2019-Jun-16.14260031)
6.7909e-05 TDB
period 1291.232766024305
3.54
1.0423e-05
2.854e-08
d
yr
n .2788033338934212 2.2505e-09 deg/d
Q 2.613640496627419 1.4065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      8239 days (22.56 yr)  
   first obs. used      1996-10-06  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:42:01  

Additional Information
 Earth MOID = 1.03178 au 
 Jupiter MOID = 2.35058 au 
 T_jup = 3.566 
[ 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 17.2   n/a MPO422659  

172855 (2005 EL46)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2005 EL46 = 2000 YZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 23:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin