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390082 (2012 UM137)
Classification: Main-belt Asteroid          SPK-ID: 2390082
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09676257778113991 1.136e-07  
a 2.713516957050783 3.7833e-08 au
q 2.450950061433714 3.2738e-07 au
i .1491195955422273 7.934e-06 deg
node 313.6025871936129 0.0041476 deg
peri 61.30422855891173 0.0041478 deg
M 274.2540303197399 4.3931e-05 deg
tp 2459389.373592262892
(2021-Jun-23.87359226)
0.00020286 TDB
period 1632.665578763287
4.47
3.4145e-05
9.348e-08
d
yr
n .2204983094411123 4.6114e-09 deg/d
Q 2.976083852667851 4.1494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      8939 days (24.47 yr)  
   first obs. used      1994-10-12  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54054  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:53:16  

Additional Information
 Earth MOID = 1.45172 au 
 Jupiter MOID = 2.48622 au 
 T_jup = 3.355 
[ 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 17.3   n/a MPO472009  

390082 (2012 UM137)          Discovered 2003-Oct-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 UM137 = 2003 TL43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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