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212938 (2008 UE346)
Classification: Main-belt Asteroid          SPK-ID: 2212938
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02839565324440557 4.1913e-08  
a 2.577585291267924 1.9483e-08 au
q 2.5043930731292 1.0264e-07 au
i 3.191834264949622 5.6493e-06 deg
node 150.136562936474 7.8572e-05 deg
peri 105.8971750843186 0.00019512 deg
M 129.8121097377586 0.00017197 deg
tp 2458455.457081308877
(2018-Dec-02.95708131)
0.00072482 TDB
period 1511.534256127501
4.14
1.7137e-05
4.692e-08
d
yr
n .2381686015653445 2.7003e-09 deg/d
Q 2.650777509406649 2.0036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8768 days (24.01 yr)  
   first obs. used      1995-10-25  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:47:26  

Additional Information
 Earth MOID = 1.49154 au 
 Jupiter MOID = 2.33879 au 
 T_jup = 3.424 
[ 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 16.4   n/a MPO446191  

212938 (2008 UE346)          Discovered 2008-Oct-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2008 UE346 = 2006 KQ76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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