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JPL Small-Body Database Browser
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390040 (2012 UE57)
Classification: Main-belt Asteroid          SPK-ID: 2390040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07522741156779188 9.7585e-08  
a 2.753131799056925 4.6728e-08 au
q 2.546020820108894 2.7374e-07 au
i 6.23645515054453 1.3405e-05 deg
node 25.51950305957988 6.5568e-05 deg
peri 325.4386613473665 9.7837e-05 deg
M 196.8771896235784 7.6454e-05 deg
tp 2459356.551057423538
(2021-May-22.05105742)
0.0003635 TDB
period 1668.548868453135
4.57
4.248e-05
1.163e-07
d
yr
n .2157563418167943 5.493e-09 deg/d
Q 2.960242778004955 5.0244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:58:27  

Additional Information
 Earth MOID = 1.54275 au 
 Jupiter MOID = 2.37561 au 
 T_jup = 3.332 
[ 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 MPO434435  

390040 (2012 UE57)          Discovered 2007-Oct-15 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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