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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102930156236355 3.1027e-08  
a 2.239683926832978 5.9284e-09 au
q 1.768694039815485 6.906e-08 au
i 3.139277116326663 3.4911e-06 deg
node 40.83799887137123 6.1533e-05 deg
peri 329.9754320562217 6.2157e-05 deg
M 64.27571672857674 1.0559e-05 deg
tp 2458981.913692317727
(2020-May-12.41369232)
3.5464e-05 TDB
period 1224.27371907675
3.35
4.861e-06
1.331e-08
d
yr
n .2940518892061845 1.1675e-09 deg/d
Q 2.71067381385047 7.1751e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      25603 days (70.10 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:17  

Additional Information
 Earth MOID = .768027 au 
 Jupiter MOID = 2.75325 au 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.96   n/a E2021B10  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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