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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416459572090412 6.3334e-08  
a 2.249183642421164 9.3959e-09 AU
q 1.9305958724515 1.4274e-07 AU
i 3.914668258790155 5.5779e-06 deg
node 117.2477369332329 7.6852e-05 deg
peri 232.7031060522001 7.8169e-05 deg
M 125.289820430485 1.4937e-05 deg
tp 2456571.705617225113
(2013-Oct-06.20561723)
5.0573e-05 JED
period 1232.071187176827
3.37
7.7204e-06
2.114e-08
d
yr
n .292190908891316 1.8309e-09 deg/d
Q 2.567771412390827 1.0727e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      10494 days (28.73 yr)  
   first obs. used      1986-08-28  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54524  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:57:24  

Additional Information
 Earth MOID = .927449 AU 
 T_jup = 3.612 
[ 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
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 2015-Jul-03 17:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin