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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176857735164822 8.4133e-08  
a 3.07861044810461 3.7861e-08 au
q 2.53413437679807 2.6652e-07 au
i 1.214639008422338 6.9797e-06 deg
node 34.20424303402529 0.00041106 deg
peri 79.51437177344617 0.00041269 deg
M 291.049257309276 2.8918e-05 deg
tp 2458978.391377861709
(2020-May-08.89137786)
0.00015878 TDB
period 1973.015673528299
5.40
3.6397e-05
9.965e-08
d
yr
n .1824618044499466 3.3659e-09 deg/d
Q 3.623086519411149 4.4557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1997-10-28  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:37:35  

Additional Information
 Earth MOID = 1.55125 au 
 Jupiter MOID = 1.49088 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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