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
JPL Small-Body Database Browser
Search: [ help ]  
187434 (2005 WD38)
Classification: Main-belt Asteroid          SPK-ID: 2187434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08437663011752179 5.1444e-08  
a 3.034360651585366 2.4647e-08 au
q 2.778331525243385 1.6075e-07 au
i 11.61081158561929 4.0951e-06 deg
node 82.20448052664429 2.7716e-05 deg
peri 284.6744375815871 4.0709e-05 deg
M 5.954891906392893 2.695e-05 deg
tp 2459168.564729021572
(2020-Nov-15.06472902)
0.00014464 TDB
period 1930.630770961879
5.29
2.3522e-05
6.44e-08
d
yr
n .1864675552750259 2.2719e-09 deg/d
Q 3.290389777927347 2.6726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      7313 days (20.02 yr)  
   first obs. used      2001-01-03  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:51:54  

Additional Information
 Earth MOID = 1.80572 au 
 Jupiter MOID = 2.15473 au 
 T_jup = 3.206 
[ 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 15.33   n/a E2021B55  

187434 (2005 WD38)          Discovered 2005-Nov-22 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 WD38 = 2001 AB22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 17:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin