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19961 (1986 QP3)
Classification: Main-belt Asteroid          SPK-ID: 2019961
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109061119621368 5.8924e-08  
a 2.239671445983409 1.0556e-08 AU
q 1.767311049238431 1.3061e-07 AU
i 3.141772491069947 6.362e-06 deg
node 40.88051798235411 8.5561e-05 deg
peri 330.0151226062922 8.6514e-05 deg
M 137.1162622544482 1.2298e-05 deg
tp 2456534.204352363542
(2013-Aug-29.70435236)
4.1464e-05 JED
period 1224.263485520143
3.35
8.6549e-06
2.37e-08
d
yr
n .2940543471710664 2.0788e-09 deg/d
Q 2.712031842728386 1.2782e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      23364 days (63.97 yr)  
   first obs. used      1951-02-04  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:55:33  

Additional Information
 Earth MOID = .768129 AU 
 T_jup = 3.604 
[ 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 14.8 mag n/a MPO266060  

19961 (1986 QP3)          Discovered 1986-Aug-29 by Debehogne, H. at La Silla (809)
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1986 QP3 = 1976 ST8 = 2000 WU54 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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