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249301 (2008 UD5)
Classification: Main-belt Asteroid          SPK-ID: 2249301
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0487776312879273 2.0698e-07  
a 3.149391732852062 7.5174e-08 au
q 2.995771864125757 6.1944e-07 au
i 14.78810583998797 1.6676e-05 deg
node 341.445564128608 2.0752e-05 deg
peri 24.21204276683232 0.00011601 deg
M 58.65573054592248 0.00010355 deg
tp 2458667.881501291374
(2019-Jul-03.38150129)
0.00058979 TDB
period 2041.448609038414
5.59
7.3093e-05
2.001e-07
d
yr
n .1763453649560991 6.3139e-09 deg/d
Q 3.303011601578366 7.8841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5454 days (14.93 yr)  
   first obs. used      2005-02-18  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:41  

Additional Information
 Earth MOID = 1.9961 au 
 Jupiter MOID = 1.98086 au 
 T_jup = 3.155 
[ 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 16.1   n/a MPO270946  
diameter diameter 4.183 km 0.956 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249301 (2008 UD5)          Discovered 2008-Oct-24 by Dellinger, J. at Needville
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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