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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05044230095382708 5.3003e-08  
a 3.135974965401306 2.5529e-08 au
q 2.977789172412866 1.6553e-07 au
i 10.58143761617757 5.7543e-06 deg
node 165.37895298 2.118e-05 deg
peri 209.2366527099628 4.5989e-05 deg
M 172.7166909054339 4.2441e-05 deg
tp 2458423.329097068712
(2018-Oct-31.82909707)
0.00023544 TDB
period 2028.417307086339
5.55
2.4769e-05
6.781e-08
d
yr
n .1774782727116007 2.1672e-09 deg/d
Q 3.294160758389747 2.6816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2001-08-16  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:19:22  

Additional Information
 Earth MOID = 1.98008 au 
 Jupiter MOID = 1.97799 au 
 T_jup = 3.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.78   n/a MPCxxxxx  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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