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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580270841749594 6.4145e-08  
a 3.977254310216504 6.8209e-08 au
q 3.3487404085507 2.5845e-07 au
i 3.552849011636511 8.4577e-06 deg
node 143.8986912986862 0.0001299 deg
peri 311.6140617216616 0.0001345 deg
M 95.33245359046701 3.3342e-05 deg
tp 2458233.294445306909
(2018-Apr-24.79444531)
0.00026097 TDB
period 2897.166592144979
7.93
7.4529e-05
2.04e-07
d
yr
n .1242593370281363 3.1965e-09 deg/d
Q 4.605768211882308 7.8988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2001-11-21  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:39  

Additional Information
 Earth MOID = 2.36703 au 
 Jupiter MOID = .610746 au 
 T_jup = 3.032 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594499003436035 6.4007e-08  
q 3.348182657931063 2.5874e-07 au
tp 2458234.529259070725
(2018-Apr-26.02925907)
0.00025892 TDB
node 143.909652125855 0.00012989 deg
peri 311.851352381721 0.00013441 deg
i 3.551979854901397 8.4556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2001-11-21  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:39  

Additional Information
 Jupiter MOID = .610746 au 
 T_jup = 3.032 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.096877789699429E-15 -1.61477111765826E-14 -2.195519004498766E-12 -3.027977202605412E-14 -4.275537780382514E-13 -1.630920321667241E-15
q -1.61477111765826E-14 6.694731961790292E-14 1.383397630417533E-11 1.300106863093772E-13 2.194693696029604E-12 7.544006371465117E-15
tp -2.195519004498766E-12 1.383397630417533E-11 6.703707477199035E-8 5.197480636044266E-11 9.018177451540076E-9 -2.420935796307916E-13
node -3.027977202605412E-14 1.300106863093772E-13 5.197480636044266E-11 1.687226074580943E-8 -1.683198103655699E-8 3.164572752441251E-10
peri -4.275537780382514E-13 2.194693696029604E-12 9.018177451540076E-9 -1.683198103655699E-8 1.806711945737119E-8 -3.158921893294505E-10
i -1.630920321667241E-15 7.544006371465117E-15 -2.420935796307916E-13 3.164572752441251E-10 -3.158921893294505E-10 7.149698978715197E-11

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 MPO433528  
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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