Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
13166 (1995 WU1)
Classification: Main-belt Asteroid          SPK-ID: 2013166
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06112868137612158 4.7038e-08  
a 2.424292256925102 1.8864e-08 AU
q 2.276098467988929 1.1237e-07 AU
i 11.70322540847238 7.8813e-06 deg
node 43.9039465073339 2.6842e-05 deg
peri 70.31240833962111 8.4579e-05 deg
M 328.2326282562339 7.6713e-05 deg
tp 2457122.161921928300
(2015-Apr-09.66192193)
0.00029366 JED
period 1378.719405793554
3.77
1.6092e-05
4.406e-08
d
yr
n .2611118683665686 3.0477e-09 deg/d
Q 2.572486045861275 2.0017e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      13958 days (38.21 yr)  
   first obs. used      1976-10-30  
   last obs. used      2015-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:36:55  

Additional Information
 Earth MOID = 1.32124 AU 
 T_jup = 3.481 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO266028  
rotation period rot_per 3.8123 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]

13166 (1995 WU1)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WU1 = 1976 UT4 = 1997 HD17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-07 04:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin