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JPL Small-Body Database Browser
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393940 (2005 UL163)
Classification: Main-belt Asteroid          SPK-ID: 2393940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098734086086747 9.5109e-08  
a 3.161427673341782 5.7119e-08 au
q 2.814070838801929 3.2218e-07 au
i 9.433620166080059 1.4795e-05 deg
node 230.8700142567305 5.1684e-05 deg
peri 99.33930905077511 8.8155e-05 deg
M 269.0305646192257 6.368e-05 deg
tp 2459519.319512282858
(2021-Oct-31.81951228)
0.00036126 TDB
period 2053.162401635642
5.62
5.5643e-05
1.523e-07
d
yr
n .1753392716100819 4.7519e-09 deg/d
Q 3.508784507881636 6.3395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4889 days (13.39 yr)  
   first obs. used      2005-10-10  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:32:34  

Additional Information
 Earth MOID = 1.82399 au 
 Jupiter MOID = 1.87399 au 
 T_jup = 3.174 
[ 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 15.9   n/a MPO472043  

393940 (2005 UL163)          Discovered 2005-Oct-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

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