Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0146435150940096 7.3437e-08  
a 2.74754480828219 5.716e-08 au
q 2.707311094410642 2.0177e-07 au
i 5.277242933600713 1.0572e-05 deg
node 320.7439057413608 8.7391e-05 deg
peri 94.65927034948679 0.00037908 deg
M 208.2113954469455 0.00036937 deg
tp 2459301.878211397957
(2021-Mar-28.37821140)
0.0017096 TDB
period 1663.472411823972
4.55
5.191e-05
1.421e-07
d
yr
n .216414770356946 6.7534e-09 deg/d
Q 2.787778522153737 5.7997e-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 = 1.72158 au 
 Jupiter MOID = 2.25614 au 
 T_jup = 3.341 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin