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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05004967453199471 5.3215e-08  
a 3.136879525219475 2.9523e-08 au
q 2.979879725936162 1.68e-07 au
i 10.57905101072896 5.786e-06 deg
node 165.3820939542736 2.3852e-05 deg
peri 209.2558281577407 4.9475e-05 deg
M 102.4569344880949 4.3583e-05 deg
tp 2458422.957374208405
(2018-Oct-31.45737421)
0.00024456 TDB
period 2029.295004030532
5.56
2.8649e-05
7.844e-08
d
yr
n .1774015110099703 2.5045e-09 deg/d
Q 3.293879324502788 3.1001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:48:51  

Additional Information
 Earth MOID = 1.98298 au 
 Jupiter MOID = 1.97764 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456661.5 (2014-Jan-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04545600966891918 5.2626e-08  
q 2.994073355202856 1.6466e-07 au
tp 2456378.777461298516
(2013-Mar-27.27746130)
0.00027006 TDB
node 165.5216934622219 2.3941e-05 deg
peri 206.7496460789842 5.3636e-05 deg
i 10.55379349458161 5.7747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:48:51  

Additional Information
 Jupiter MOID = 1.97764 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.769467662983366E-15 -8.538477113245078E-15 -1.198758707374335E-12 1.484591781247954E-14 -2.666725769879302E-13 7.051368015716006E-17
q -8.538477113245078E-15 2.711325482065722E-14 3.785540348630827E-12 -4.203928595332204E-14 8.551299063012635E-13 1.419786513611242E-15
tp -1.198758707374335E-12 3.785540348630827E-12 7.293161574086878E-8 -2.776502756938208E-11 1.297774439567418E-8 -1.214241867059023E-11
node 1.484591781247954E-14 -4.203928595332204E-14 -2.776502756938208E-11 5.731559197483885E-10 -5.686211174867796E-10 2.240591852108704E-11
peri -2.666725769879302E-13 8.551299063012635E-13 1.297774439567418E-8 -5.686211174867796E-10 2.876858280833413E-9 -2.423689775964746E-11
i 7.051368015716006E-17 1.419786513611242E-15 -1.214241867059023E-11 2.240591852108704E-11 -2.423689775964746E-11 3.334729104022992E-11

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

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