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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06017241858823209 5.2485e-08  
a 2.917397002205058 3.4727e-08 au
q 2.741850168600322 1.6638e-07 au
i 2.807302378297088 5.619e-06 deg
node 57.13427776592802 0.00012575 deg
peri 339.85869280994 0.00013559 deg
M 349.498660376424 5.1229e-05 deg
tp 2458653.592592070327
(2019-Jun-19.09259207)
0.00025915 TDB
period 1820.085230117442
4.98
3.2498e-05
8.897e-08
d
yr
n .197792935211485 3.5316e-09 deg/d
Q 3.092943835809795 3.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      7326 days (20.06 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56566  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:37:31  

Additional Information
 Earth MOID = 1.74837 au 
 Jupiter MOID = 2.17941 au 
 T_jup = 3.277 
[ 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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