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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604762544819664 5.5096e-08  
a 2.245530991055525 1.1002e-08 au
q 1.885176588287756 1.2294e-07 au
i 2.825613649105301 4.5266e-06 deg
node 75.71987159776631 0.00011476 deg
peri 263.2544938583069 0.00011573 deg
M 260.2346866966986 1.6308e-05 deg
tp 2457741.107398068324
(2016-Dec-18.60739807)
5.668e-05 JED
period 1229.071099409248
3.37
9.033e-06
2.473e-08
d
yr
n .2929041291207919 2.1527e-09 deg/d
Q 2.605885393823294 1.2768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1986-08-26  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51997  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:01:41  

Additional Information
 Earth MOID = .876765 au 
 Jupiter MOID = 2.75411 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 14.9 mag n/a MPO337578  

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 | Physical Parameters | Discovery Circumstances ]
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