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 ]  
22420 (1995 WL42)
Classification: Main-belt Asteroid          SPK-ID: 2022420
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126492137693507 1.054e-07  
a 2.891181712421916 3.2752e-08 AU
q 2.525469957157294 3.0774e-07 AU
i 1.068118120346504 6.8425e-06 deg
node 137.3421192509041 0.0003577 deg
peri 46.28324276896168 0.00035824 deg
M 262.7322150271836 2.8625e-05 deg
tp 2457485.652232746007
(2016-Apr-07.15223275)
0.0001478 JED
period 1795.60790694857
4.92
3.0511e-05
8.353e-08
d
yr
n .2004892040221513 3.4068e-09 deg/d
Q 3.256893467686539 3.6895e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      7072 days (19.36 yr)  
   first obs. used      1995-11-28  
   last obs. used      2015-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53961  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:42:18  

Additional Information
 Earth MOID = 1.52898 AU 
 T_jup = 3.278 
[ 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 14.2 mag n/a MPO233646  

22420 (1995 WL42)          Discovered 1995-Nov-28 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WL42 = 1996 DZ3 = 1998 SH6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-28 05:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin