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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2114006188371007 5.8907e-08  
a 2.238822889305316 9.7314e-09 au
q 1.765534345039506 1.3061e-07 au
i 3.142476849111156 5.9074e-06 deg
node 40.86904236813862 7.9303e-05 deg
peri 329.9947882372862 8.0002e-05 deg
M 254.8275115779732 1.1546e-05 deg
tp 2457757.960191197941
(2017-Jan-04.46019120)
4.0247e-05 JED
period 1223.567786233983
3.35
7.9776e-06
2.184e-08
d
yr
n .2942215413402173 1.9183e-09 deg/d
Q 2.712111433571125 1.1789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      23535 days (64.44 yr)  
   first obs. used      1951-02-04  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53002  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:53:55  

Additional Information
 Earth MOID = .764584 au 
 Jupiter MOID = 2.7442 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 14.9 mag n/a MPO337426  

19961 (1986 QP3)          Discovered 1986-Aug-29 by Debehogne, H. at La Silla
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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