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469860 (2005 UE21)
Classification: Main-belt Asteroid          SPK-ID: 2469860
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 .06579395942545435 5.7578e-08  
a 3.098509402313643 4.8309e-08 au
q 2.89464620041843 1.6969e-07 au
i 8.060806528413622 7.9262e-06 deg
node 229.4528450573969 4.6914e-05 deg
peri 239.1190919308214 8.2469e-05 deg
M 181.2769425819228 6.5328e-05 deg
tp 2459989.521514230341
(2023-Feb-14.02151423)
0.00035944 TDB
period 1992.175773325316
5.45
4.659e-05
1.276e-07
d
yr
n .1807069460538074 4.2261e-09 deg/d
Q 3.302372604208855 5.1487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      4978 days (13.63 yr)  
   first obs. used      2005-10-10  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:45  

Additional Information
 Earth MOID = 1.9218 au 
 Jupiter MOID = 1.87366 au 
 T_jup = 3.204 
[ 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   n/a MPO477210  

469860 (2005 UE21)          Discovered 2005-Oct-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2005 UE21 = 2010 RM110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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