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226017 (2002 EM94)
Classification: Main-belt Asteroid          SPK-ID: 2226017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07411074288289479 4.5146e-08  
a 2.7187421710452 2.0316e-08 au
q 2.517254169041986 1.2188e-07 au
i 4.279339752787046 5.7856e-06 deg
node .04993526027456428 6.2868e-05 deg
peri 111.2052097731818 7.4136e-05 deg
M 71.01758537929268 3.833e-05 deg
tp 2458677.491564908825
(2019-Jul-12.99156491)
0.00017359 TDB
period 1637.383698865223
4.48
1.8353e-05
5.025e-08
d
yr
n .2198629437006704 2.4644e-09 deg/d
Q 2.920230173048414 2.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2002-02-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:27:18  

Additional Information
 Earth MOID = 1.5377 au 
 Jupiter MOID = 2.14558 au 
 T_jup = 3.352 
[ 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 16.4   n/a MPO418207  
diameter diameter 2.608 km 0.720 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226017 (2002 EM94)          Discovered 2002-Mar-14 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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