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JPL Small-Body Database Browser
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109336 (2001 QF144)
Classification: Main-belt Asteroid          SPK-ID: 2109336
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052989798045755 6.5984e-08  
a 3.020231481992803 3.2663e-08 au
q 2.7022041881653 2.0174e-07 au
i .9622263583192594 9.2411e-06 deg
node 173.6446529991941 0.00036194 deg
peri 69.14264011909567 0.00036442 deg
M 224.7895776830962 4.5146e-05 deg
tp 2459320.556277064197
(2021-Apr-16.05627706)		 0.00024425 TDB
period 1917.161823040201
5.25		 3.11e-05
8.515e-08		 d
yr
n .1877775760363924 3.0461e-09 deg/d
Q 3.338258775820306 3.6102e-08 au
   Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7268 days (19.90 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:59:58  

Additional Information
 Earth MOID = 1.68932 au 
 Jupiter MOID = 1.67055 au 
 T_jup = 3.238 
[ 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 16.3   n/a MPO338039  
diameter diameter 2.771 km 0.838 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109336 (2001 QF144)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
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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