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JPL Small-Body Database Browser
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423278 (2004 XU44)
Classification: Main-belt Asteroid          SPK-ID: 2423278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765065087914816 6.8614e-08  
a 2.179014753240064 2.6503e-08 au
q 1.794404466540529 1.5321e-07 au
i 3.113709451257361 6.1257e-06 deg
node 49.28141816427296 0.00015492 deg
peri 326.7293407749469 0.00015941 deg
M 333.8312093295828 5.2933e-05 deg
tp 2459085.902352769939
(2020-Aug-24.40235277)
0.00017417 TDB
period 1174.866939186989
3.22
2.1435e-05
5.869e-08
d
yr
n .3064176784556735 5.5903e-09 deg/d
Q 2.5636250399396 3.1181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6327 days (17.32 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:03:55  

Additional Information
 Earth MOID = .796827 au 
 Jupiter MOID = 2.89842 au 
 T_jup = 3.660 
[ 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 17.8   n/a MPO322621  

423278 (2004 XU44)          Discovered 2004-Dec-07 by LINEAR at Socorro
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 XU44 = 2007 TK147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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