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 ]  
7168 (1986 QE2)
Classification: Main-belt Asteroid          SPK-ID: 2007168
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415791386744143 6.789e-08  
a 2.248247645706414 1.0408e-08 AU
q 1.92994268050052 1.5437e-07 AU
i 3.914729818834413 5.629e-06 deg
node 117.2479990878497 9.1634e-05 deg
peri 232.5195045110657 9.3116e-05 deg
M 67.03967698585828 1.5995e-05 deg
tp 2456571.205276905949
(2013-Oct-05.70527691)
5.4703e-05 JED
period 1231.302178428917
3.37
8.55e-06
2.341e-08
d
yr
n .2923733964796057 2.0302e-09 deg/d
Q 2.566552610912308 1.1881e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      10019 days (27.43 yr)  
   first obs. used      1986-08-28  
   last obs. used      2014-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:54:35  

Additional Information
 Earth MOID = .925075 AU 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO272672  

7168 (1986 QE2)          Discovered 1986-Aug-28 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 QE2 = 1992 HW6 = 1993 TP13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 16:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin