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 ]  
212151 (2005 EP312)
Classification: Main-belt Asteroid          SPK-ID: 2212151
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439219238562406 4.8801e-08  
a 2.328384271937945 1.2906e-08 au
q 1.993278728044024 1.1164e-07 au
i 5.977897091169245 7.0226e-06 deg
node 183.314972249036 4.417e-05 deg
peri 139.4545247150936 4.9272e-05 deg
M 207.0928889014695 2.3124e-05 deg
tp 2459151.695413031640
(2020-Oct-29.19541303)
8.4997e-05 TDB
period 1297.71825041888
3.55
1.0789e-05
2.954e-08
d
yr
n .2774099847049222 2.3064e-09 deg/d
Q 2.663489815831866 1.4763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      21341 days (58.43 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:10:24  

Additional Information
 Earth MOID = .984902 au 
 Jupiter MOID = 2.65195 au 
 T_jup = 3.551 
[ 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 17.0   n/a MPO433386  

212151 (2005 EP312)          Discovered 2005-Mar-10 by Buie, M. W. at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
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