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390075 (2012 UT123)
Classification: Main-belt Asteroid          SPK-ID: 2390075
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03762744333773683 4.7933e-08  
a 3.043260939305477 4.5801e-08 au
q 2.928750810749813 1.3612e-07 au
i 6.013747809127103 6.6436e-06 deg
node 250.3913155234762 5.428e-05 deg
peri 247.244977893101 0.00011117 deg
M 73.96538750232646 9.6256e-05 deg
tp 2458602.087229450958
(2019-Apr-28.58722945)
0.00051814 TDB
period 1939.131291553684
5.31
4.3776e-05
1.199e-07
d
yr
n .1856501421889585 4.191e-09 deg/d
Q 3.157771067861142 4.7524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      4570 days (12.51 yr)  
   first obs. used      2007-11-09  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:04  

Additional Information
 Earth MOID = 1.94936 au 
 Jupiter MOID = 1.89538 au 
 T_jup = 3.230 
[ 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 16.2   n/a MPO427944  

390075 (2012 UT123)          Discovered 2007-Nov-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

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