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 ]  
266861 (2009 UO112)
Classification: Main-belt Asteroid          SPK-ID: 2266861
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 .1083122322023519 7.9256e-08  
a 3.125843767100617 3.2663e-08 au
q 2.787276651170141 2.4595e-07 au
i 11.81960815998868 5.0943e-06 deg
node 127.0460637124222 3.8518e-05 deg
peri 249.921636752778 4.7689e-05 deg
M 343.1722841589089 2.493e-05 deg
tp 2459094.856537889702
(2020-Sep-02.35653789)
0.00013914 TDB
period 2018.595628846207
5.53
3.1639e-05
8.662e-08
d
yr
n .1783418109380181 2.7953e-09 deg/d
Q 3.464410883031094 3.62e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:54:25  

Additional Information
 Earth MOID = 1.81489 au 
 Jupiter MOID = 2.06763 au 
 T_jup = 3.173 
[ 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 15.4   n/a MPO450147  
diameter diameter 3.550 km 1.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

266861 (2009 UO112)          Discovered 2009-Oct-25 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 05:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin