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390083 (2012 UW140)
Classification: Main-belt Asteroid          SPK-ID: 2390083
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216278786867263 7.4101e-08  
a 2.644936510975255 2.9131e-08 au
q 2.323238493884263 1.9697e-07 au
i 4.440350768387332 9.5077e-06 deg
node 186.9389055405124 9.6549e-05 deg
peri 232.857657822181 0.00010524 deg
M 255.3703763592669 4.1512e-05 deg
tp 2459457.139490414913
(2021-Aug-30.63949041)		 0.00018395 TDB
period 1571.163221554114
4.30		 2.5956e-05
7.106e-08		 d
yr
n .2291295996885075 3.7853e-09 deg/d
Q 2.966634528066246 3.2674e-08 au
   Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      8080 days (22.12 yr)  
   first obs. used      1995-12-14  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67044  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:39:00  

Additional Information
 Earth MOID = 1.33872 au 
 Jupiter MOID = 2.35057 au 
 T_jup = 3.378 
[ 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 17.2   n/a MPO434435  

390083 (2012 UW140)          Discovered 2010-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
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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