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 ]  
175660 (1981 QC3)
Classification: Main-belt Asteroid          SPK-ID: 2175660
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3192620762507696 1.0115e-07  
a 2.56228667727679 1.6724e-08 AU
q 1.744245712739716 2.5747e-07 AU
i 6.419742444398382 8.4688e-06 deg
node 144.8244557111956 0.00010107 deg
peri 202.5307233152612 0.00010311 deg
M 33.35982780759199 2.3879e-05 deg
tp 2456861.677038774815
(2014-Jul-23.17703877)
9.8755e-05 JED
period 1498.097242267335
4.10
1.4667e-05
4.016e-08
d
yr
n .2403048279130055 2.3528e-09 deg/d
Q 3.380327641813863 2.2064e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      12010 days (32.88 yr)  
   first obs. used      1981-08-24  
   last obs. used      2014-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56114  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 17:00:17  

Additional Information
 Earth MOID = .739602 AU 
 T_jup = 3.352 
[ 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 16.1 mag n/a MPO264394  

175660 (1981 QC3)          Discovered 1981-Aug-24 by Debehogne, H. at La Silla (809)
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1981 QC3 = 2006 WJ190 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-01 11:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin