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233835 (2008 UD274)
Classification: Main-belt Asteroid          SPK-ID: 2233835
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768551838470546 7.8351e-08  
a 3.079197807013472 3.0977e-08 au
q 2.534625712752657 2.5543e-07 au
i 1.214401140199933 5.92e-06 deg
node 34.196709375964 0.0003214 deg
peri 79.42170679271206 0.00032356 deg
M 4.099142413648671 2.6245e-05 deg
tp 2458978.027814236516
(2020-May-08.52781424)
0.00014396 TDB
period 1973.580339125916
5.40
2.9782e-05
8.154e-08
d
yr
n .1824095998845638 2.7526e-09 deg/d
Q 3.623769901274287 3.6456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1997-10-28  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:24:45  

Additional Information
 Earth MOID = 1.55148 au 
 Jupiter MOID = 1.48932 au 
 T_jup = 3.204 
[ 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 16.3   n/a MPO454691  
diameter diameter 3.136 km 0.984 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233835 (2008 UD274)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 UD274 = 1997 UO14 = 2003 YS107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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