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JPL Small-Body Database Browser
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382963 (2004 XS44)
Classification: Main-belt Asteroid          SPK-ID: 2382963
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2902480309986941 1.9056e-07  
a 2.614188446457597 7.3951e-08 au
q 1.855425397213744 5.438e-07 au
i 11.9791804358287 7.768e-06 deg
node 255.3633610188845 5.6045e-05 deg
peri 69.24214062104156 5.7047e-05 deg
M 216.8403916143353 2.205e-05 deg
tp 2459214.434111251561
(2020-Dec-30.93411125)
0.00011629 TDB
period 1543.845240587383
4.23
6.5509e-05
1.794e-07
d
yr
n .2331839944417173 9.8946e-09 deg/d
Q 3.372951495701449 9.5415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      10061 days (27.55 yr)  
   first obs. used      1991-09-17  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:57:24  

Additional Information
 Earth MOID = .881529 au 
 Jupiter MOID = 2.10758 au 
 T_jup = 3.317 
[ 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 15.8   n/a MPO427907  
rotation period rot_per 8.89 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

382963 (2004 XS44)          Discovered 2004-Dec-02 by CSS at Catalina
Reference: Last Updated: 2014-01-21

Alternate Designations
 2004 XS44 = 2008 UV362 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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