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227731 (2006 EY62)
Classification: Main-belt Asteroid          SPK-ID: 2227731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06523263614834054 4.1917e-08  
a 3.065644583643994 2.7484e-08 au
q 2.865664505959015 1.355e-07 au
i 2.905067664063546 4.6259e-06 deg
node 267.3439138269159 0.00010945 deg
peri 158.9633133572349 0.00011766 deg
M 22.02132203863278 4.2911e-05 deg
tp 2459080.571605640621
(2020-Aug-19.07160564)
0.00023356 TDB
period 1960.564488073628
5.37
2.6365e-05
7.218e-08
d
yr
n .1836205859026456 2.4693e-09 deg/d
Q 3.265624661328974 2.9277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      22021 days (60.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:02  

Additional Information
 Earth MOID = 1.87902 au 
 Jupiter MOID = 1.94534 au 
 T_jup = 3.227 
[ 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 15.7   n/a MPO494249  
diameter diameter 5.005 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.22 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.031   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227731 (2006 EY62)          Discovered 2006-Mar-05 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2006 EY62 = 2004 XR155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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