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109369 (2001 QA159)
Classification: Main-belt Asteroid          SPK-ID: 2109369
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0500496750481517 5.3157e-08  
a 3.136879525096938 2.9439e-08 au
q 2.979879724200636 1.6772e-07 au
i 10.57905072509986 5.778e-06 deg
node 165.3820914036302 2.3814e-05 deg
peri 209.255829932985 4.9435e-05 deg
M 102.4569352215302 4.3566e-05 deg
tp 2458422.957370107921
(2018-Oct-31.45737011)
0.00024446 TDB
period 2029.295003911625
5.56
2.8567e-05
7.821e-08
d
yr
n .1774015110203651 2.4974e-09 deg/d
Q 3.29387932599324 3.0913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      7021 days (19.22 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:33:23  

Additional Information
 Earth MOID = 1.98298 au 
 Jupiter MOID = 1.97764 au 
 T_jup = 3.183 
[ 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 14.7   n/a MPO453553  
diameter diameter 6.755 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109369 (2001 QA159)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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