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 ]  
226550 (2003 UW307)
Classification: Main-belt Asteroid          SPK-ID: 2226550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1391378948053417 4.7717e-08  
a 3.091378923104066 3.4012e-08 au
q 2.661250967697762 1.5064e-07 au
i 1.258996415757243 6.1862e-06 deg
node 56.61598137754065 0.00030916 deg
peri 43.09372421950301 0.0003106 deg
M 243.8336814837387 2.9671e-05 deg
tp 2459241.125932110700
(2021-Jan-26.62593211)
0.00016812 TDB
period 1985.302956188359
5.44
3.2765e-05
8.971e-08
d
yr
n .1813325260398415 2.9926e-09 deg/d
Q 3.52150687851037 3.8745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      9885 days (27.06 yr)  
   first obs. used      1992-10-03  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:59  

Additional Information
 Earth MOID = 1.67843 au 
 Jupiter MOID = 1.63393 au 
 T_jup = 3.209 
[ 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 16.4   n/a MPO321145  
diameter diameter 2.936 km 0.700 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226550 (2003 UW307)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 UW307 = 2005 AB72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 10:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin