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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
39125 (2000 WC44)
Classification: Main-belt Asteroid          SPK-ID: 2039125
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961176724570718 5.0307e-08  
a 2.462967890961297 1.2528e-08 au
q 1.979936360849464 1.1927e-07 au
i 4.175435320671072 3.8592e-06 deg
node 133.1704211662436 6.5072e-05 deg
peri 201.5259733133564 6.5837e-05 deg
M 92.15458580711294 1.0376e-05 deg
tp 2458639.089302890706
(2019-Jun-04.58930289)
4.0034e-05 TDB
period 1411.843478214662
3.87
1.0772e-05
2.949e-08
d
yr
n .2549857725413272 1.9454e-09 deg/d
Q 2.94599942107313 1.4984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1998-02-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53605  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:08:28  

Additional Information
 Earth MOID = .970591 au 
 Jupiter MOID = 2.42682 au 
 T_jup = 3.458 
[ 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 15.1   n/a MPO395372  

39125 (2000 WC44)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WC44 = 1999 JZ121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 05:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin