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

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424589030278663 6.3076e-08  
a 2.247982513036319 9.3504e-09 au
q 1.927737390203339 1.423e-07 au
i 3.914016696622206 5.5597e-06 deg
node 117.2338220460707 7.601e-05 deg
peri 232.9018460404333 7.7298e-05 deg
M 300.4648454932839 1.5095e-05 deg
tp 2457804.091107087301
(2017-Feb-19.59110709)
5.2033e-05 JED
period 1231.084376259748
3.37
7.6809e-06
2.103e-08
d
yr
n .2924251228772342 1.8245e-09 deg/d
Q 2.568227635869299 1.0682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      10793 days (29.55 yr)  
   first obs. used      1986-08-28  
   last obs. used      2016-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:55:28  

Additional Information
 Earth MOID = .923402 au 
 Jupiter MOID = 2.82585 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
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 ]
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