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249329 (2008 UU340)
Classification: Main-belt Asteroid          SPK-ID: 2249329
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 .08165042833091499 5.2937e-08  
a 3.16851820171645 4.5149e-08 au
q 2.909807333372002 1.6053e-07 au
i 3.315299481590992 7.3324e-06 deg
node 346.9305271818095 0.00010324 deg
peri 280.4588194786091 0.00011316 deg
M 161.1582254890958 4.7369e-05 deg
tp 2458078.283873587024
(2017-Nov-20.78387359)
0.0002691 TDB
period 2060.073598484334
5.64
4.4032e-05
1.206e-07
d
yr
n .1747510381497361 3.7351e-09 deg/d
Q 3.427229070060899 4.8836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      5434 days (14.88 yr)  
   first obs. used      2005-03-04  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:01  

Additional Information
 Earth MOID = 1.89632 au 
 Jupiter MOID = 1.65872 au 
 T_jup = 3.195 
[ 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 15.9   n/a MPO454848  
diameter diameter 4.197 km 1.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249329 (2008 UU340)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UU340 = 2005 EM65 = 2007 RM76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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