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JPL Small-Body Database Browser
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160884 (2001 QT39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2160884
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136102286366051 4.6066e-08  
a 3.208944758796697 2.6517e-08 au
q 2.77220004030211 1.5882e-07 au
i 5.913285006163241 5.3793e-06 deg
node 133.0167269817866 5.2981e-05 deg
peri 281.3611691841282 5.8291e-05 deg
M 294.4186090325038 2.2339e-05 deg
tp 2458982.989846685103
(2020-May-13.48984668)		 0.00013126 TDB
period 2099.625256116976
5.75		 2.6025e-05
7.125e-08		 d
yr
n .1714591682259433 2.1253e-09 deg/d
Q 3.645689477291283 3.0126e-08 au
   Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      9274 days (25.39 yr)  
   first obs. used      1994-06-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:43:17  

Additional Information
 Earth MOID = 1.79117 au 
 Jupiter MOID = 1.73171 au 
 T_jup = 3.169 
[ 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 14.8   n/a MPO412929  
diameter diameter 6.340 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160884 (2001 QT39)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 QT39 = 2002 UP26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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