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392629 (2011 UL44)
Classification: Main-belt Asteroid          SPK-ID: 2392629
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08190309335904963 7.2412e-08  
a 3.033409794646391 6.3388e-08 au
q 2.784964149039212 2.4364e-07 au
i 5.593420199456761 9.7012e-06 deg
node 229.4971132059491 0.00010287 deg
peri 59.12741539838704 0.00012507 deg
M 318.660891035437 7.2837e-05 deg
tp 2459222.091789484545
(2021-Jan-07.59178948)
0.00039267 TDB
period 1929.723359127549
5.28
6.0487e-05
1.656e-07
d
yr
n .1865552377221366 5.8476e-09 deg/d
Q 3.28185544025357 6.858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5292 days (14.49 yr)  
   first obs. used      2005-07-30  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:04  

Additional Information
 Earth MOID = 1.77404 au 
 Jupiter MOID = 1.84103 au 
 T_jup = 3.230 
[ 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 16.2   n/a MPO434455  
diameter diameter 2.910 km 0.970 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392629 (2011 UL44)          Discovered 2006-Nov-16 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UL44 = 2010 HE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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