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233950 (2009 WO252)
Classification: Outer Main-belt Asteroid          SPK-ID: 2233950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157988384582565 6.1506e-08  
a 3.97578539682367 6.5954e-08 au
q 3.347657484532546 2.4457e-07 au
i 3.552895714665496 6.3386e-06 deg
node 143.9033859854083 0.00012308 deg
peri 311.435970455111 0.0001263 deg
M 144.7677442176693 3.0079e-05 deg
tp 2458232.100166542274
(2018-Apr-23.60016654)
0.00022618 TDB
period 2895.561731033858
7.93
7.2051e-05
1.973e-07
d
yr
n .1243282075949602 3.0937e-09 deg/d
Q 4.603913309114794 7.6374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2001-11-21  
   last obs. used      2021-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:41:42  

Additional Information
 Earth MOID = 2.36609 au 
 Jupiter MOID = .613651 au 
 T_jup = 3.032 
[ 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 15.43   n/a E2021B55  
diameter diameter 5.657 km 0.717 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.032   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

233950 (2009 WO252)          Discovered 2009-Nov-26 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 WO252 = 2008 SF25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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