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JPL Small-Body Database Browser
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442396 (2011 UK44)
Classification: Main-belt Asteroid          SPK-ID: 2442396
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036007438857273 9.5855e-08  
a 2.806703697917101 5.8993e-08 au
q 2.235256737154358 2.6815e-07 au
i 7.041148184197256 8.4979e-06 deg
node 215.7773963456403 7.9931e-05 deg
peri 212.169631143599 8.4036e-05 deg
M 272.9327476769997 3.3631e-05 deg
tp 2459415.880032070890
(2021-Jul-20.38003207)
0.00017021 TDB
period 1717.486282796336
4.70
5.4149e-05
1.483e-07
d
yr
n .2096086609867205 6.6085e-09 deg/d
Q 3.378150658679844 7.1004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5556 days (15.21 yr)  
   first obs. used      2004-04-19  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:07  

Additional Information
 Earth MOID = 1.25257 au 
 Jupiter MOID = 1.96285 au 
 T_jup = 3.281 
[ 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 16.6   n/a MPO477088  

442396 (2011 UK44)          Discovered 2006-Sep-18 by CSS at Catalina
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 UK44 = 2008 CQ216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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