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JPL Small-Body Database Browser
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233956 (2009 XL19)
Classification: Main-belt Asteroid          SPK-ID: 2233956
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08691412282102007 6.9464e-08  
a 2.3731503611467 1.8291e-08 au
q 2.166890079185248 1.713e-07 au
i 6.876410371511987 6.4524e-06 deg
node 104.326480229644 4.3019e-05 deg
peri 7.739327026360378 5.3962e-05 deg
M 198.9433779819607 3.6064e-05 deg
tp 2459197.896117306724
(2020-Dec-14.39611731)
0.00013769 TDB
period 1335.322941309004
3.66
1.5438e-05
4.227e-08
d
yr
n .2695977046923912 3.1169e-09 deg/d
Q 2.579410643108153 1.9881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-11-15  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:33  

Additional Information
 Earth MOID = 1.18398 au 
 Jupiter MOID = 2.49945 au 
 T_jup = 3.528 
[ 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 16.8   n/a MPO450070  

233956 (2009 XL19)          Discovered 2009-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2009 XL19 = 1998 YU4 = 2005 WG191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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