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390686 (2002 UH51)
Classification: Main-belt Asteroid          SPK-ID: 2390686
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407629521112525 6.5785e-08  
a 2.644914115594693 2.0449e-08 au
q 2.272608196602861 1.7626e-07 au
i 11.83031514191844 5.9221e-06 deg
node 280.1865880708612 2.6835e-05 deg
peri 326.79814526 3.5561e-05 deg
M 113.8768547947024 2.4743e-05 deg
tp 2458503.508739970001
(2019-Jan-20.00873997)
0.00010835 TDB
period 1571.143266411349
4.30
1.8221e-05
4.989e-08
d
yr
n .2291325098711568 2.6573e-09 deg/d
Q 3.017220034586525 2.3327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6660 days (18.23 yr)  
   first obs. used      2002-08-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52765  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:39:05  

Additional Information
 Earth MOID = 1.26757 au 
 Jupiter MOID = 2.09219 au 
 T_jup = 3.349 
[ 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 16.1   n/a MPO494981  

390686 (2002 UH51)          Discovered 2002-Oct-29 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-04-17

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