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 ]  
17623 (1995 WO42)
Classification: Main-belt Asteroid          SPK-ID: 2017623
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133079678369226 9.7276e-08  
a 3.101713865740363 4.63e-08 AU
q 2.688938782094267 2.937e-07 AU
i 18.46920014930538 9.6643e-06 deg
node 44.85319853025542 2.4856e-05 deg
peri 340.6186557642686 4.1917e-05 deg
M 150.0173048063195 3.3481e-05 deg
tp 2455969.042831349287
(2012-Feb-11.54283135)
0.00017915 JED
period 1995.267020032796
5.46
4.4675e-05
1.223e-07
d
yr
n .1804269786377177 4.0399e-09 deg/d
Q 3.51448894938646 5.2461e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      1995-11-30  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55794  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:11:03  

Additional Information
 Earth MOID = 1.69969 AU 
 T_jup = 3.129 
[ 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 12.9 mag n/a MPO263504  

17623 (1995 WO42)          Discovered 1995-Nov-30 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WO42 = 1998 HC41 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 14:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin