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JPL Small-Body Database Browser
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469419 (2001 XA249)
Classification: Main-belt Asteroid          SPK-ID: 2469419
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04352329858501289 6.1423e-08  
a 2.999177563575789 4.5448e-08 au
q 2.868643462966808 1.9206e-07 au
i 12.73334588405417 9.3616e-06 deg
node 290.300928553312 4.0859e-05 deg
peri 312.8095288515825 0.00014519 deg
M 351.4115263914362 0.00013661 deg
tp 2458645.760065627387
(2019-Jun-11.26006563)
0.00071956 TDB
period 1897.150107047282
5.19
4.3123e-05
1.181e-07
d
yr
n .1897583109858939 4.3132e-09 deg/d
Q 3.129711664184769 4.7426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6408 days (17.54 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:27  

Additional Information
 Earth MOID = 1.86778 au 
 Jupiter MOID = 2.02831 au 
 T_jup = 3.215 
[ 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 15.6   n/a MPO440883  
rotation period rot_per 29.6 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:
[Warner, B.D.; Erasmus, N. (2019) Minor Planet Bull. 46-2, submitted.]

469419 (2001 XA249)          Discovered 2001-Dec-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2001 XA249 = 2015 RB85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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