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392630 (2011 UR44)
Classification: Main-belt Asteroid          SPK-ID: 2392630
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0282242431944695 1.5682e-07  
a 3.044387497039203 5.4696e-08 au
q 2.958461963944566 4.9311e-07 au
i 11.3441111603073 1.6797e-05 deg
node 18.02672621228765 3.4666e-05 deg
peri 211.218938789698 0.00022637 deg
M 23.00841212613344 0.00022486 deg
tp 2458876.496921109111
(2020-Jan-27.99692111)
0.0012121 TDB
period 1940.208135876345
5.31
5.2287e-05
1.432e-07
d
yr
n .1855471036036021 5.0004e-09 deg/d
Q 3.13031303013384 5.624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:03  

Additional Information
 Earth MOID = 1.95595 au 
 Jupiter MOID = 1.8405 au 
 T_jup = 3.208 
[ 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 MPO476852  

392630 (2011 UR44)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UR44 = 1995 UO68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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