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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597976995252145 5.5948e-08  
a 2.245955356894427 1.1643e-08 AU
q 1.887056857626366 1.2542e-07 AU
i 2.826854482741887 5.4044e-06 deg
node 75.78124349764522 0.00012087 deg
peri 262.8136528672048 0.00012215 deg
M 85.04302775185201 1.7535e-05 deg
tp 2456510.073447805153
(2013-Aug-05.57344781)
5.9627e-05 JED
period 1229.419525081149
3.37
9.5596e-06
2.617e-08
d
yr
n .2928211181421067 2.2769e-09 deg/d
Q 2.604853856162489 1.3503e-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 = .8793 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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