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39513 (1986 QE1)
Classification: Main-belt Asteroid          SPK-ID: 2039513
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598150366277663 5.6047e-08  
a 2.246859739779243 1.1759e-08 AU
q 1.88777776816897 1.2574e-07 AU
i 2.825792739937629 5.4015e-06 deg
node 75.76503934025337 0.00012096 deg
peri 263.009541102581 0.00012223 deg
M 143.3734467141614 1.7569e-05 deg
tp 2456510.576134511187
(2013-Aug-06.07613451)
5.9584e-05 JED
period 1230.162178688502
3.37
9.6568e-06
2.644e-08
d
yr
n .2926443409143033 2.2973e-09 deg/d
Q 2.605941711389516 1.3638e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      10050 days (27.52 yr)  
   first obs. used      1986-08-26  
   last obs. used      2014-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52603  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 04:59:17  

Additional Information
 Earth MOID = .881816 AU 
 T_jup = 3.612 
[ 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 14.8 mag n/a MPO267838  

39513 (1986 QE1)          Discovered 1986-Aug-26 by Debehogne, H. at La Silla (809)
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 QE1 = 1999 JQ57 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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