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
JPL Small-Body Database Browser
Search: [ help ]  
344609 (2003 EM50)
Classification: Inner Main-belt Asteroid          SPK-ID: 2344609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01593969648454639 4.1279e-08  
a 1.884282407696346 1.0331e-08 au
q 1.854247518026496 7.9235e-08 au
i 18.28169480184698 6.4113e-06 deg
node 335.5286635549951 1.4439e-05 deg
peri 280.6167420533301 0.00021083 deg
M 139.7664209921418 0.00021128 deg
tp 2458633.709768766098
(2019-May-30.20976877)
0.00055441 TDB
period 944.751123387704
2.59
7.7697e-06
2.127e-08
d
yr
n .3810527355703014 3.1338e-09 deg/d
Q 1.914317297366196 1.0496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      5447 days (14.91 yr)  
   first obs. used      2003-02-21  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58681  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:18:16  

Additional Information
 Earth MOID = .864975 au 
 Jupiter MOID = 3.1015 au 
 T_jup = 3.904 
[ 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 17.7   n/a MPO434167  

344609 (2003 EM50)          Discovered 2003-Mar-09 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-05 10:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin