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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04413424463785352 6.1144e-08  
a 2.998494246417667 4.6098e-08 au
q 2.866157967801073 1.9131e-07 au
i 12.74418453779153 9.3777e-06 deg
node 290.2767353551406 4.0801e-05 deg
peri 310.91920369219 0.00014376 deg
M 69.07122635116251 0.0001346 deg
tp 2458636.628599118118
(2019-Jun-02.12859912)
0.00071153 TDB
period 1896.501788624645
5.19
4.3734e-05
1.197e-07
d
yr
n .1898231797930833 4.3774e-09 deg/d
Q 3.130830525034261 4.8132e-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 = 1.86701 au 
 Jupiter MOID = 2.0289 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-August); 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, 166-179.]

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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