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249497 (2009 XN15)
Classification: Main-belt Asteroid          SPK-ID: 2249497
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09834534930999717 5.7199e-08  
a 2.758532327059317 4.0925e-08 au
q 2.487243501771749 1.7547e-07 au
i 5.529646269260389 6.0441e-06 deg
node 107.3644154415225 7.0747e-05 deg
peri 304.2489644016799 7.9934e-05 deg
M 60.03875616825423 4.0087e-05 deg
tp 2458321.409708609040
(2018-Jul-21.90970861)
0.00018383 TDB
period 1673.460799540529
4.58
3.7241e-05
1.02e-07
d
yr
n .2151230552271334 4.7873e-09 deg/d
Q 3.029821152346885 4.495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5178 days (14.18 yr)  
   first obs. used      2004-11-04  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:53:21  

Additional Information
 Earth MOID = 1.50304 au 
 Jupiter MOID = 2.28042 au 
 T_jup = 3.329 
[ 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 MPO422969  
diameter diameter 2.938 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249497 (2009 XN15)          Discovered 2009-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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