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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1263739395055609 9.9218e-08  
a 2.892500798055294 2.2623e-08 au
q 2.526964077182068 2.8296e-07 au
i 1.06912770657515 6.5721e-06 deg
node 137.3529161032143 0.00032276 deg
peri 45.69307263852134 0.00032326 deg
M 23.45588615994442 1.9193e-05 deg
tp 2457483.426661650710
(2016-Apr-04.92666165)
9.5535e-05 JED
period 1796.836901336841
4.92
2.108e-05
5.771e-08
d
yr
n .2003520740987461 2.3505e-09 deg/d
Q 3.258037518928521 2.5481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      7445 days (20.38 yr)  
   first obs. used      1995-11-28  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52702  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:38:56  

Additional Information
 Earth MOID = 1.52881 au 
 Jupiter MOID = 1.70193 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 14.3 mag n/a MPO358841  

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 2016-May-03 22:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin