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 ]  
441278 (2007 WB44)
Classification: Main-belt Asteroid          SPK-ID: 2441278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027702203917892 7.9184e-08  
a 2.986057692296539 4.3103e-08 au
q 2.679179885156626 2.2531e-07 au
i 9.641214338750682 8.4207e-06 deg
node 304.0564292738762 4.5839e-05 deg
peri 220.271862951041 5.9551e-05 deg
M 40.94301072275637 3.9416e-05 deg
tp 2458386.150244412941
(2018-Sep-24.65024441)
0.00020504 TDB
period 1884.715135725274
5.16
4.0808e-05
1.117e-07
d
yr
n .1910102981485662 4.1358e-09 deg/d
Q 3.292935499436451 4.7533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:41:58  

Additional Information
 Earth MOID = 1.69684 au 
 Jupiter MOID = 1.76735 au 
 T_jup = 3.228 
[ 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 16.1   n/a MPO434637  

441278 (2007 WB44)          Discovered 2007-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin