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442385 (2011 UD22)
Classification: Main-belt Asteroid          SPK-ID: 2442385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01492288313082336 7.3233e-08  
a 2.744582776026824 5.6514e-08 au
q 2.703625688017306 2.0091e-07 au
i 5.282185315748692 1.0581e-05 deg
node 320.7075624688636 8.7283e-05 deg
peri 99.14276712444287 0.00037323 deg
M 290.3746208157011 0.00036371 deg
tp 2459321.701821760405
(2021-Apr-17.20182176)
0.0016792 TDB
period 1660.783139545501
4.55
5.1296e-05
1.404e-07
d
yr
n .2167652063824056 6.6952e-09 deg/d
Q 2.785539864036344 5.7358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4282 days (11.72 yr)  
   first obs. used      2006-07-25  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:26:15  

Additional Information
 Earth MOID = 1.7204 au 
 Jupiter MOID = 2.25522 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO437720  

442385 (2011 UD22)          Discovered 2006-Jul-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UD22 = 2006 QA103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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