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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02801626225092251 3.5617e-08  
a 2.578546791608356 1.4897e-08 au
q 2.506305548468381 9.2187e-08 au
i 3.19192404837032 4.4632e-06 deg
node 150.1288501356665 7.4477e-05 deg
peri 106.0954205348631 0.00011879 deg
M 223.9015612552186 9.2439e-05 deg
tp 2459968.257137006421
(2023-Jan-23.75713701)
0.00038963 TDB
period 1512.380092091277
4.14
1.3106e-05
3.588e-08
d
yr
n .2380353998856214 2.0628e-09 deg/d
Q 2.65078803474833 1.5314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      9231 days (25.27 yr)  
   first obs. used      1995-10-25  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:41  

Additional Information
 Earth MOID = 1.49345 au 
 Jupiter MOID = 2.33639 au 
 T_jup = 3.423 
[ 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 16.51   n/a MPCxxxxx  

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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