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JPL Small-Body Database Browser
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469676 (2004 XW49)
Classification: Mars-crossing Asteroid          SPK-ID: 2469676
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4146372950046035 2.1463e-07  
a 2.603186100786131 1.2415e-07 au
q 1.523808057562588 6.1697e-07 au
i 27.57393115375735 2.2431e-05 deg
node 262.2778511092886 3.0235e-05 deg
peri 72.80090542803575 6.2858e-05 deg
M 206.5342249239199 4.0124e-05 deg
tp 2459254.481236949747
(2021-Feb-08.98123695)
0.00021231 TDB
period 1534.109120976281
4.20
0.00010974
3.005e-07
d
yr
n .2346638808658553 1.6787e-08 deg/d
Q 3.682564144009673 1.7563e-07 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      4218 days (11.55 yr)  
   first obs. used      2004-12-10  
   last obs. used      2016-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51792  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:40:10  

Additional Information
 Earth MOID = .696729 au 
 Jupiter MOID = 2.31906 au 
 T_jup = 3.140 
[ 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 16.0   n/a MPO252012  

469676 (2004 XW49)          Discovered 2004-Dec-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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