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160916 (2001 XB44)
Classification: Main-belt Asteroid          SPK-ID: 2160916
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06273594190657308 5.3054e-08  
a 2.92430640331559 2.6814e-08 au
q 2.740847286680164 1.4301e-07 au
i 10.53508280710961 8.3314e-06 deg
node 330.3269306170429 4.0096e-05 deg
peri 309.8707788054484 0.00010216 deg
M 62.67512105090136 9.608e-05 deg
tp 2458682.501244490881
(2019-Jul-18.00124449)		 0.00048741 TDB
period 1826.554940202009
5.00		 2.5123e-05
6.878e-08		 d
yr
n .1970923469513517 2.7108e-09 deg/d
Q 3.107765519951017 2.8496e-08 au
   Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      8248 days (22.58 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59603  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:23:03  

Additional Information
 Earth MOID = 1.73823 au 
 Jupiter MOID = 2.10452 au 
 T_jup = 3.251 
[ 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 15.1   n/a MPO396309  

160916 (2001 XB44)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 XB44 = 2003 ET45 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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