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242844 (2006 EM)
Classification: Main-belt Asteroid          SPK-ID: 2242844
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670734373310266 6.892e-08  
a 2.396541234988387 1.4479e-08 au
q 1.996142853153334 1.6663e-07 au
i 4.653335156592862 7.2744e-06 deg
node 359.7026077801794 6.7213e-05 deg
peri 181.29652565275 6.9232e-05 deg
M 296.7402484005316 1.8892e-05 deg
tp 2459238.622682966886
(2021-Jan-24.12268297)
7.2228e-05 TDB
period 1355.11385518623
3.71
1.2281e-05
3.362e-08
d
yr
n .2656603344598865 2.4075e-09 deg/d
Q 2.79693961682344 1.6898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:13:46  

Additional Information
 Earth MOID = .999149 au 
 Jupiter MOID = 2.16375 au 
 T_jup = 3.505 
[ 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 17.1   n/a MPO454779  
diameter diameter 2.136 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

242844 (2006 EM)          Discovered 2006-Mar-05 by Lowe, A. at Mayhill
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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Alternate Designations
 2006 EM = 2002 CG252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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