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
JPL Small-Body Database Browser
Search: [ help ]  
266864 (2009 UE138)
Classification: Main-belt Asteroid          SPK-ID: 2266864
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054403837507377 5.3397e-08  
a 2.974354348631196 3.1788e-08 au
q 2.660737284700847 1.6007e-07 au
i 3.537908802616686 5.5975e-06 deg
node 211.0457324297822 7.5532e-05 deg
peri 169.7279444180588 7.9298e-05 deg
M 47.22186245312209 2.1752e-05 deg
tp 2458754.730436503079
(2019-Sep-28.23043650)
0.00011368 TDB
period 1873.645770467531
5.13
3.0036e-05
8.223e-08
d
yr
n .1921387733339633 3.0802e-09 deg/d
Q 3.287971412561544 3.5139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1998-08-25  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54112  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:40  

Additional Information
 Earth MOID = 1.66348 au 
 Jupiter MOID = 2.16484 au 
 T_jup = 3.250 
[ 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 16.0   n/a MPO494442  

266864 (2009 UE138)          Discovered 2009-Oct-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UE138 = 2007 HS34 = 2008 OU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 20:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin