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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364434303735946 4.5897e-08  
a 3.210152813083434 2.595e-08 au
q 2.772148551242886 1.5862e-07 au
i 5.913095577283197 5.0914e-06 deg
node 133.0119184644787 5.2817e-05 deg
peri 281.3171619659096 5.7955e-05 deg
M 3.043669902611842 2.1954e-05 deg
tp 2458982.738402022527
(2020-May-13.23840202)
0.00012807 TDB
period 2100.811019750615
5.75
2.5474e-05
6.974e-08
d
yr
n .171362391293404 2.0779e-09 deg/d
Q 3.648157074923983 2.9491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      9361 days (25.63 yr)  
   first obs. used      1994-06-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:26:52  

Additional Information
 Earth MOID = 1.79153 au 
 Jupiter MOID = 1.72999 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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