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392620 (2011 UK22)
Classification: Main-belt Asteroid          SPK-ID: 2392620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779146650056115 9.8078e-08  
a 3.054319814616844 5.6418e-08 au
q 2.510911527979287 3.1256e-07 au
i 9.438907705271403 1.0646e-05 deg
node 357.0247531006286 4.5406e-05 deg
peri 8.072674398422247 5.2672e-05 deg
M 237.8991410532691 2.4501e-05 deg
tp 2459661.781555690151
(2022-Mar-23.28155569)
0.00014093 TDB
period 1949.710772733497
5.34
5.4021e-05
1.479e-07
d
yr
n .1846427711405008 5.116e-09 deg/d
Q 3.5977281012544 6.6456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5812 days (15.91 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:22:49  

Additional Information
 Earth MOID = 1.50928 au 
 Jupiter MOID = 1.86473 au 
 T_jup = 3.191 
[ 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 16.1   n/a MPO437607  

392620 (2011 UK22)          Discovered 2008-Feb-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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