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 ]  
249425 (2009 ER3)
Classification: Main-belt Asteroid          SPK-ID: 2249425
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08105141595678339 6.144e-08  
a 2.163396827396428 1.5372e-08 au
q 1.988050451259535 1.3943e-07 au
i 4.189441580006716 5.8514e-06 deg
node 310.7808750513736 7.8894e-05 deg
peri 157.6300488694372 8.6517e-05 deg
M 116.1454966245329 3.5911e-05 deg
tp 2458225.524766580658
(2018-Apr-17.02476658)
0.00011432 TDB
period 1162.258442678609
3.18
1.2388e-05
3.392e-08
d
yr
n .3097417809848927 3.3013e-09 deg/d
Q 2.338743203533321 1.6618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      6515 days (17.84 yr)  
   first obs. used      2001-09-26  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:45  

Additional Information
 Earth MOID = 1.00569 au 
 Jupiter MOID = 2.73126 au 
 T_jup = 3.687 
[ 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 17.5   n/a MPO352522  

249425 (2009 ER3)          Discovered 2009-Mar-14 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 01:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin