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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104540367238122 5.8934e-08  
a 2.240105668204225 1.0563e-08 AU
q 1.768666387642753 1.306e-07 AU
i 3.141505646487849 6.5095e-06 deg
node 40.91992799874198 8.6125e-05 deg
peri 330.0004459599399 8.7159e-05 deg
M 78.33195427371996 1.2541e-05 deg
tp 2456534.036550798779
(2013-Aug-29.53655080)
4.2539e-05 JED
period 1224.61953875473
3.35
8.6619e-06
2.371e-08
d
yr
n .2939688520453224 2.0793e-09 deg/d
Q 2.711544948765696 1.2786e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      23067 days (63.15 yr)  
   first obs. used      1951-02-04  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53364  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:34:47  

Additional Information
 Earth MOID = .768119 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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