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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08675322137550083 1.7781e-07  
a 3.188474392050756 8.2879e-08 au
q 2.911863967267061 5.5923e-07 au
i 8.72358912940031 1.8819e-05 deg
node 350.9652149420071 5.9251e-05 deg
peri 350.6159118504567 8.4467e-05 deg
M 185.023522800809 6.0402e-05 deg
tp 2459611.264533724285
(2022-Jan-31.76453372)
0.00035258 TDB
period 2079.56656783364
5.69
8.1082e-05
2.22e-07
d
yr
n .1731129965101454 6.7497e-09 deg/d
Q 3.46508481683445 9.0069e-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 = 1.90335 au 
 Jupiter MOID = 1.92727 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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