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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09840612668535768 5.4202e-08  
a 2.757595734301692 3.2518e-08 au
q 2.486231419124998 1.5957e-07 au
i 5.529806683097839 4.9744e-06 deg
node 107.3662175792154 7.0236e-05 deg
peri 304.0361551425609 7.9181e-05 deg
M 146.3288747979499 4.086e-05 deg
tp 2458320.636294373064
(2018-Jul-21.13629437)
0.00018317 TDB
period 1672.608597336976
4.58
2.9586e-05
8.1e-08
d
yr
n .2152326614685407 3.8071e-09 deg/d
Q 3.028960049478386 3.5718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      5651 days (15.47 yr)  
   first obs. used      2004-11-04  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:45:09  

Additional Information
 Earth MOID = 1.50245 au 
 Jupiter MOID = 2.28156 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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