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JPL Small-Body Database Browser
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523959 (1998 UE51)
Classification: Outer Main-belt Asteroid          SPK-ID: 2523959
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279157567153132 1.7141e-07  
a 3.210534978359181 6.6555e-08 au
q 2.799856967141385 5.608e-07 au
i 19.53370914558372 2.9994e-05 deg
node 45.69056177434147 3.1451e-05 deg
peri 223.5840647840072 0.00012052 deg
M 322.1176684714779 0.00010975 deg
tp 2458821.605087415907
(2019-Dec-04.10508742)
0.00064036 TDB
period 2101.186179889594
5.75
6.5337e-05
1.789e-07
d
yr
n .1713317950810604 5.3276e-09 deg/d
Q 3.621212989576977 7.5069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      8438 days (23.10 yr)  
   first obs. used      1996-04-20  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:40:52  

Additional Information
 Earth MOID = 1.81613 au 
 Jupiter MOID = 1.50627 au 
 T_jup = 3.089 
[ 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   .31556 MPO450840 autocmod 2.6n

523959 (1998 UE51)          Discovered 1998-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

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