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344609 (2003 EM50)
Classification: Inner Main-belt Asteroid          SPK-ID: 2344609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0159396919130358 4.1079e-08  
a 1.884282406476355 9.9643e-09 au
q 1.854247525439968 7.8598e-08 au
i 18.28169192533063 6.3828e-06 deg
node 335.5286688481777 1.4374e-05 deg
peri 280.6167556973859 0.00021035 deg
M 139.7664075185204 0.00021084 deg
tp 2458633.709804481261
(2019-May-30.20980448)
0.00055325 TDB
period 944.7511224701759
2.59
7.4939e-06
2.052e-08
d
yr
n .3810527359403741 3.0226e-09 deg/d
Q 1.914317287512742 1.0123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6453 days (17.67 yr)  
   first obs. used      2003-02-21  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:18  

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 ]
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