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392639 (2011 UE122)
Classification: Main-belt Asteroid          SPK-ID: 2392639
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 .1576635010739554 6.5826e-08  
a 3.126013728272524 4.931e-08 au
q 2.633155459467829 2.1276e-07 au
i 9.598007964332137 7.3978e-06 deg
node 202.7229631548837 3.6618e-05 deg
peri 177.6263182914767 4.2271e-05 deg
M 207.4770253848679 2.5901e-05 deg
tp 2459855.798113522818
(2022-Oct-03.29811352)
0.0001575 TDB
period 2018.760266413439
5.53
4.7766e-05
1.308e-07
d
yr
n .1783272664859714 4.2194e-09 deg/d
Q 3.618871997077218 5.7084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58355  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:09  

Additional Information
 Earth MOID = 1.63592 au 
 Jupiter MOID = 1.84045 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO437607  

392639 (2011 UE122)          Discovered 2008-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UE122 = 2008 EM62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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