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332807 (2009 WT156)
Classification: Main-belt Asteroid          SPK-ID: 2332807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486121244017796 1.1236e-07  
a 2.659256193044359 3.4051e-08 au
q 2.264058480867448 3.1454e-07 au
i 14.81238521274043 9.3857e-06 deg
node 244.3511435834127 4.2202e-05 deg
peri 83.93255998794287 5.7409e-05 deg
M 225.4536017157156 3.3043e-05 deg
tp 2459592.481686431948
(2022-Jan-12.98168643)
0.00014407 TDB
period 1583.939888641329
4.34
3.0423e-05
8.329e-08
d
yr
n .2272813523932405 4.3654e-09 deg/d
Q 3.05445390522127 3.9112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1996-12-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:11:22  

Additional Information
 Earth MOID = 1.31004 au 
 Jupiter MOID = 2.34647 au 
 T_jup = 3.324 
[ 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 16.5   n/a MPO276996  

332807 (2009 WT156)          Discovered 2009-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2009 WT156 = 1996 XP36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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