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 ]  
186225 (2001 WP87)
Classification: Main-belt Asteroid          SPK-ID: 2186225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03667047830578404 4.5415e-08  
a 2.734995031201411 1.9615e-08 au
q 2.634701455243313 1.2707e-07 au
i 6.441678644363568 5.2918e-06 deg
node 30.51171240344514 4.0369e-05 deg
peri 282.0061413806919 8.1131e-05 deg
M 175.7981470001947 7.2028e-05 deg
tp 2458393.738747244559
(2018-Oct-02.23874724)
0.00032842 TDB
period 1652.088238402405
4.52
1.7773e-05
4.866e-08
d
yr
n .2179060365129925 2.3442e-09 deg/d
Q 2.83528860715951 2.0334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-04-16  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:13:57  

Additional Information
 Earth MOID = 1.62854 au 
 Jupiter MOID = 2.25437 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.17   n/a MPCxxxxx  

186225 (2001 WP87)          Discovered 2001-Nov-19 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 22:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin