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226987 (2004 XE44)
Classification: Main-belt Asteroid          SPK-ID: 2226987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06047343973523994 4.6902e-08  
a 2.918066413165953 2.8895e-08 au
q 2.741600899785934 1.419e-07 au
i 2.806854122195821 5.4798e-06 deg
node 57.13166533117608 0.00010941 deg
peri 339.7823445685071 0.0001192 deg
M 68.65610300596327 4.6076e-05 deg
tp 2458653.269526352555
(2019-Jun-18.76952635)
0.00023354 TDB
period 1820.711707191168
4.98
2.7043e-05
7.404e-08
d
yr
n .1977248779024857 2.9368e-09 deg/d
Q 3.094531926545972 3.0642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7382 days (20.21 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:01:27  

Additional Information
 Earth MOID = 1.74875 au 
 Jupiter MOID = 2.1779 au 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO454631  

226987 (2004 XE44)          Discovered 2004-Dec-11 by CINEOS at Campo Imperatore
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 XE44 = 2006 BZ263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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