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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06748606424513953 7.7168e-08  
a 2.916855515396174 3.9111e-08 au
q 2.720008416690358 2.3474e-07 au
i 12.08772634853773 8.548e-06 deg
node 15.37989562217008 2.9245e-05 deg
peri 354.8863218867812 5.8225e-05 deg
M 288.5095590735352 5.244e-05 deg
tp 2459361.840197393775
(2021-May-27.34019739)
0.00026675 TDB
period 1819.578525128443
4.98
3.6597e-05
1.002e-07
d
yr
n .197848015366409 3.9793e-09 deg/d
Q 3.11370261410199 4.175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:55:46  

Additional Information
 Earth MOID = 1.72016 au 
 Jupiter MOID = 2.23493 au 
 T_jup = 3.245 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457675.5 (2016-Oct-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0693242038007269 7.7654e-08  
q 2.711774151104936 2.3669e-07 au
tp 2457550.683921391989
(2016-Jun-11.18392139)
0.00025234 TDB
node 15.50659190437533 2.9194e-05 deg
peri 356.0183422995282 5.6807e-05 deg
i 12.10250065715226 8.5592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:55:46  

Additional Information
 Jupiter MOID = 2.23493 au 
 T_jup = 3.245 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.030109552713864E-15 -1.817565743604841E-14 7.260706042678828E-12 -1.617282519043707E-14 1.360820829279862E-12 5.949076563473739E-15
q -1.817565743604841E-14 5.60241368861171E-14 -2.033128032951732E-11 4.312394735475539E-14 -3.791843129977997E-12 -1.531173376655709E-14
tp 7.260706042678828E-12 -2.033128032951732E-11 6.367560848288939E-8 -6.108804258441948E-11 1.233368705587999E-8 3.254063691452997E-12
node -1.617282519043707E-14 4.312394735475539E-14 -6.108804258441948E-11 8.52303067967608E-10 -8.448062534137367E-10 7.077707082213484E-11
peri 1.360820829279862E-12 -3.791843129977997E-12 1.233368705587999E-8 -8.448062534137367E-10 3.227029684524946E-9 -6.864875822671195E-11
i 5.949076563473739E-15 -1.531173376655709E-14 3.254063691452997E-12 7.077707082213484E-11 -6.864875822671195E-11 7.32594813392934E-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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