Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
79447 (1997 WQ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2079447
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08400782557650351 8.3952e-08  
a 1.919242668803097 1.0348e-08 AU
q 1.758011265443303 1.5981e-07 AU
i 18.16819692378969 9.7853e-06 deg
node 235.44435624 1.6861e-05 deg
peri 196.5658860395877 4.5338e-05 deg
M 132.3163255475485 3.9225e-05 deg
tp 2456643.552624132277
(2013-Dec-17.05262413)
0.00010579 JED
period 971.1655366835502
2.66
7.8543e-06
2.15e-08
d
yr
n .3706886070415659 2.9979e-09 deg/d
Q 2.08047407216289 1.1217e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      5908 days (16.18 yr)  
   first obs. used      1997-11-21  
   last obs. used      2014-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58832  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 15:07:12  

Additional Information
 Earth MOID = .774042 AU 
 T_jup = 3.861 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO235120  

79447 (1997 WQ1)          Discovered 1997-Nov-21 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 WQ1 = 1999 LJ28 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-30 22:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin