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160920 (2001 XT109)
Classification: Main-belt Asteroid          SPK-ID: 2160920
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178915521610345 4.351e-08  
a 2.892924326366544 2.1979e-08 au
q 2.375335261535418 1.2354e-07 au
i 7.574704040984882 4.0712e-06 deg
node 96.40857643173355 4.5103e-05 deg
peri 48.44002040941808 4.8777e-05 deg
M 243.2412946132824 2.2855e-05 deg
tp 2459783.395640439291
(2022-Jul-22.89564044)
0.00011899 TDB
period 1797.231562846846
4.92
2.0482e-05
5.608e-08
d
yr
n .2003080779583871 2.2828e-09 deg/d
Q 3.41051339119767 2.5912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      8323 days (22.79 yr)  
   first obs. used      1998-03-25  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:21  

Additional Information
 Earth MOID = 1.39589 au 
 Jupiter MOID = 1.64884 au 
 T_jup = 3.253 
[ 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 15.39   n/a E2021B55  
diameter diameter 5.675 km 1.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160920 (2001 XT109)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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