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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366780021241291 3.6203e-08  
a 3.21099418850019 2.1593e-08 au
q 2.772121917983795 1.2063e-07 au
i 5.913213689152382 4.5534e-06 deg
node 133.0099381627297 4.3651e-05 deg
peri 281.3240626284816 4.9435e-05 deg
M 37.29564697727192 2.0046e-05 deg
tp 2458982.772467477931
(2020-May-13.27246748)
0.00011707 TDB
period 2101.637002187169
5.75
2.1199e-05
5.804e-08
d
yr
n .171295042685939 1.7279e-09 deg/d
Q 3.649866459016585 2.4544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      9749 days (26.69 yr)  
   first obs. used      1994-06-10  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:12  

Additional Information
 Earth MOID = 1.79074 au 
 Jupiter MOID = 1.72904 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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