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233954 (2009 XY16)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .07008316906907741 5.1538e-08  
a 3.202513683695866 5.3253e-08 au
q 2.978071375755375 1.7827e-07 au
i 13.77994225502771 5.5795e-06 deg
node 111.4200861403029 2.6701e-05 deg
peri 335.0246491649368 6.1532e-05 deg
M 247.0964334564931 5.4223e-05 deg
tp 2459257.008084313454
(2021-Feb-11.50808431)
0.0003209 TDB
period 2093.316602729016
5.73
5.2213e-05
1.43e-07
d
yr
n .1719758967805802 4.2896e-09 deg/d
Q 3.426955991636357 5.6985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6206 days (16.99 yr)  
   first obs. used      2002-10-08  
   last obs. used      2019-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:33  

Additional Information
 Earth MOID = 2.00029 au 
 Jupiter MOID = 1.74061 au 
 T_jup = 3.145 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO411027  
diameter diameter 5.371 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233954 (2009 XY16)          Discovered 2009-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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