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JPL Small-Body Database Browser
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392648 (2011 UB144)
Classification: Main-belt Asteroid          SPK-ID: 2392648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06748608977970619 8.3461e-08  
a 2.916855508803704 4.0027e-08 au
q 2.720008336062147 2.496e-07 au
i 12.08773136689597 9.1067e-06 deg
node 15.37990956816839 2.9634e-05 deg
peri 354.886308124748 6.0655e-05 deg
M 288.5095589352074 5.5717e-05 deg
tp 2459361.840196867923
(2021-May-27.34019687)
0.00028371 TDB
period 1819.578518959719
4.98
3.7454e-05
1.025e-07
d
yr
n .1978480160371521 4.0725e-09 deg/d
Q 3.113702681545261 4.2728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5992 days (16.41 yr)  
   first obs. used      2003-02-01  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:04  

Additional Information
 Earth MOID = 1.72016 au 
 Jupiter MOID = 2.23493 au 
 T_jup = 3.245 
[ 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 MPO437607  
diameter diameter 3.272 km 0.720 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392648 (2011 UB144)          Discovered 2006-Oct-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UB144 = 2010 HM28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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