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233838 (2008 UY278)
Classification: Main-belt Asteroid          SPK-ID: 2233838
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144750292618032 5.1291e-08  
a 3.100814340692421 4.0897e-08 au
q 2.651970557523003 1.6578e-07 au
i 1.960260907488806 8.5644e-06 deg
node 57.5408689145209 0.00023719 deg
peri 56.86113856779021 0.00024028 deg
M 343.0078465532186 3.8767e-05 deg
tp 2459094.636488311847
(2020-Sep-02.13648831)
0.00021569 TDB
period 1994.399114768131
5.46
3.9456e-05
1.08e-07
d
yr
n .1805054952813964 3.5711e-09 deg/d
Q 3.549658123861839 4.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5775 days (15.81 yr)  
   first obs. used      2004-01-13  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:54:47  

Additional Information
 Earth MOID = 1.66907 au 
 Jupiter MOID = 1.55366 au 
 T_jup = 3.205 
[ 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 16.1   n/a MPO454691  
diameter diameter 3.303 km 0.337 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233838 (2008 UY278)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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