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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06872083012279766 8.3709e-08  
a 2.9137215568861 3.9264e-08 au
q 2.713488192750197 2.509e-07 au
i 12.09940876519883 9.1168e-06 deg
node 15.50182048075493 2.9595e-05 deg
peri 355.466425287223 5.9771e-05 deg
M 208.6979818903153 5.4357e-05 deg
tp 2459364.006462713013
(2021-May-29.50646271)
0.00027818 TDB
period 1816.646796987377
4.97
3.672e-05
1.005e-07
d
yr
n .1981673050573195 4.0056e-09 deg/d
Q 3.113954921022004 4.1962e-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 = 1.71293 au 
 Jupiter MOID = 2.24269 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457602.5 (2016-Aug-02.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06934132337351354 8.4061e-08  
q 2.71180542654461 2.5205e-07 au
tp 2457550.827932764960
(2016-Jun-11.32793276)
0.00026637 TDB
node 15.50668628427411 2.9581e-05 deg
peri 356.0510679726519 5.9064e-05 deg
i 12.10255752966797 9.1186e-06 deg
  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
 Jupiter MOID = 2.24269 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.066310122952377E-15 -2.096428160251305E-14 9.902402483738159E-12 -1.700264139683978E-14 1.829178197805939E-12 1.083348666830146E-14
q -2.096428160251305E-14 6.353012869334668E-14 -2.746334515704669E-11 4.466216537294588E-14 -5.056339883808396E-12 -2.88873155062307E-14
tp 9.902402483738159E-12 -2.746334515704669E-11 7.095033521816233E-8 -7.489073812925551E-11 1.365218308042197E-8 5.877480757535686E-12
node -1.700264139683978E-14 4.466216537294588E-14 -7.489073812925551E-11 8.750421200942208E-10 -8.69651200424179E-10 8.146224312274335E-11
peri 1.829178197805939E-12 -5.056339883808396E-12 1.365218308042197E-8 -8.69651200424179E-10 3.488524304675753E-9 -7.878959312723834E-11
i 1.083348666830146E-14 -2.88873155062307E-14 5.877480757535686E-12 8.146224312274335E-11 -7.878959312723834E-11 8.314846180195769E-11

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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