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JPL Small-Body Database Browser
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39513 (1986 QE1)
Classification: Main-belt Asteroid          SPK-ID: 2039513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606911454719918 4.0834e-08  
a 2.245729031154728 8.042e-09 au
q 1.884860260718769 9.273e-08 au
i 2.825624556704041 3.7765e-06 deg
node 75.71780403868991 9.0295e-05 deg
peri 263.0673293866677 9.1142e-05 deg
M 251.9193744828706 1.5852e-05 deg
tp 2458969.545407750405
(2020-Apr-30.04540775)
5.5185e-05 TDB
period 1229.233696182577
3.37
6.6029e-06
1.808e-08
d
yr
n .2928653852542369 1.5731e-09 deg/d
Q 2.606597801590687 9.3343e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      11946 days (32.71 yr)  
   first obs. used      1986-08-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:09:24  

Additional Information
 Earth MOID = .877492 au 
 Jupiter MOID = 2.76169 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO474252  

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

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