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312923 (2011 WA32)
Classification: Main-belt Asteroid          SPK-ID: 2312923
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08701217759605849 1.7789e-07  
a 3.188322794363767 8.1881e-08 au
q 2.910899885147025 5.602e-07 au
i 8.724153187324706 1.882e-05 deg
node 350.9650796279826 5.9246e-05 deg
peri 350.4863637132737 8.4422e-05 deg
M 254.4382310803265 6.0578e-05 deg
tp 2459610.241860244939
(2022-Jan-30.74186024)
0.00035262 TDB
period 2079.418258472065
5.69
8.0104e-05
2.193e-07
d
yr
n .1731253433662376 6.6692e-09 deg/d
Q 3.465745703580508 8.9006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6262 days (17.14 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:39  

Additional Information
 Earth MOID = 1.90329 au 
 Jupiter MOID = 1.92968 au 
 T_jup = 3.174 
[ 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 15.9   n/a MPO391631  

312923 (2011 WA32)          Discovered 2002-Feb-13 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WA32 = 2007 AL9 = 2010 KQ123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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