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JPL Small-Body Database Browser
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249498 (2009 XU15)
Classification: Main-belt Asteroid          SPK-ID: 2249498
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190952947995542 5.813e-08  
a 2.712215200688429 3.2359e-08 au
q 2.194309712518653 1.7165e-07 au
i 2.274517887798145 7.2288e-06 deg
node 149.6380089525782 0.00012441 deg
peri 233.3521880960907 0.00012595 deg
M 93.98014375688258 1.908e-05 deg
tp 2458174.589595428402
(2018-Feb-25.08959543)
8.2746e-05 TDB
period 1631.490860903759
4.47
2.9197e-05
7.994e-08
d
yr
n .2206570742299955 3.9489e-09 deg/d
Q 3.230120688858205 3.8537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5198 days (14.23 yr)  
   first obs. used      2004-11-04  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55213  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:46:48  

Additional Information
 Earth MOID = 1.19778 au 
 Jupiter MOID = 2.22348 au 
 T_jup = 3.335 
[ 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 16.7   n/a MPO427416  
diameter diameter 2.752 km 1.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249498 (2009 XU15)          Discovered 2009-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2009 XU15 = 2006 BD59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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