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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08154054213070791 7.3996e-08  
a 3.032803845720665 6.6657e-08 au
q 2.785507375964506 2.4518e-07 au
i 5.593954423040768 9.715e-06 deg
node 229.4983751138887 0.00010642 deg
peri 59.19475729369592 0.00012938 deg
M 243.9204630226056 7.5332e-05 deg
tp 2459222.539661532727
(2021-Jan-08.03966153)
0.0004112 TDB
period 1929.145170482472
5.28
6.36e-05
1.741e-07
d
yr
n .1866111506320519 6.1522e-09 deg/d
Q 3.280100315476824 7.2093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      4989 days (13.66 yr)  
   first obs. used      2005-07-30  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:41  

Additional Information
 Earth MOID = 1.77397 au 
 Jupiter MOID = 1.8422 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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