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 ]  
26330 (1998 WN5)
Classification: Main-belt Asteroid          SPK-ID: 2026330
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040745021250973 6.8434e-08  
a 2.975397942845056 1.9806e-08 au
q 2.665734883319419 2.1021e-07 au
i .8925104250483203 6.6774e-06 deg
node 355.8283922319637 0.00026173 deg
peri 348.3794868103399 0.00026271 deg
M 55.23997882314319 2.3603e-05 deg
tp 2458312.848252235912
(2018-Jul-13.34825224)
0.00012327 TDB
period 1874.63194956343
5.13
1.8718e-05
5.125e-08
d
yr
n .1920376957641407 1.9174e-09 deg/d
Q 3.285061002370694 2.1867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9677 days (26.49 yr)  
   first obs. used      1992-07-26  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54459  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:18  

Additional Information
 Earth MOID = 1.65712 au 
 Jupiter MOID = 2.08571 au 
 T_jup = 3.253 
[ 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 14.6   n/a MPO459040  
rotation period rot_per 4.794 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

26330 (1998 WN5)          Discovered 1998-Nov-20 by Kagawa, T. at Gekko
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WN5 = 1992 OO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 05:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin