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212944 (2008 YE51)
Classification: Main-belt Asteroid          SPK-ID: 2212944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134965660704226 8.9007e-08  
a 2.603202211299494 3.5814e-08 au
q 2.307747699530071 2.3685e-07 au
i 10.63479383585964 9.5667e-06 deg
node 305.0966934180661 2.677e-05 deg
peri 159.6990704460834 3.8329e-05 deg
M 172.9912465009884 3.3185e-05 deg
tp 2457863.305797939340
(2017-Apr-19.80579794)
0.00013158 TDB
period 1534.123362365166
4.20
3.1659e-05
8.668e-08
d
yr
n .2346617024624318 4.8426e-09 deg/d
Q 2.898656723068917 3.9878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      5293 days (14.49 yr)  
   first obs. used      2003-09-29  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56156  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:31:11  

Additional Information
 Earth MOID = 1.32759 au 
 Jupiter MOID = 2.21972 au 
 T_jup = 3.380 
[ 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 16.3   n/a MPO440127  
diameter diameter 3.838 km 0.735 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212944 (2008 YE51)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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