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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06258479770127436 5.2902e-08  
a 2.924183655274056 2.6527e-08 au
q 2.741174212767356 1.4225e-07 au
i 10.53523463203869 7.9999e-06 deg
node 330.3273963319887 3.9979e-05 deg
peri 309.8532432899088 0.00010219 deg
M 102.1291771224298 9.6185e-05 deg
tp 2458682.353311675672
(2019-Jul-17.85331168)		 0.00048786 TDB
period 1826.439936680853
5.00		 2.4853e-05
6.804e-08		 d
yr
n .1971047570577216 2.6821e-09 deg/d
Q 3.107193097780756 2.8187e-08 au
   Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      8327 days (22.80 yr)  
   first obs. used      1998-03-25  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:20  

Additional Information
 Earth MOID = 1.73664 au 
 Jupiter MOID = 2.10354 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 15.14   n/a E2021B55  

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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