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359888 (2011 WZ44)
Classification: Main-belt Asteroid          SPK-ID: 2359888
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01861882797294966 6.5592e-08  
a 3.04040519388488 5.2817e-08 au
q 2.983796412611875 1.9904e-07 au
i 5.059683041447024 8.3188e-06 deg
node 253.4550166788233 7.9783e-05 deg
peri 217.7118597658121 0.00023983 deg
M 179.4265587723616 0.00022565 deg
tp 2458035.383250976819
(2017-Oct-08.88325098)
0.001213 TDB
period 1936.402459176318
5.30
5.0458e-05
1.381e-07
d
yr
n .1859117655495708 4.8444e-09 deg/d
Q 3.097013975157885 5.3801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4989 days (13.66 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:36  

Additional Information
 Earth MOID = 2.00249 au 
 Jupiter MOID = 1.94474 au 
 T_jup = 3.234 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456861.5 (2014-Jul-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02053606136355303 6.8378e-08  
q 2.973125702922817 2.0855e-07 au
tp 2456058.289221281439
(2012-May-10.78922128)
0.001061 TDB
node 253.5112444654135 7.9667e-05 deg
peri 209.0026538219135 0.00021428 deg
i 5.065273876982129 8.3312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4989 days (13.66 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:36  

Additional Information
 Jupiter MOID = 1.94474 au 
 T_jup = 3.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.675537606221646E-15 -1.38410016912247E-14 -1.744195258551751E-11 -1.274859090489536E-14 -3.297480096768167E-12 -1.676519922045034E-15
q -1.38410016912247E-14 4.34911523359677E-14 5.476292706347997E-11 4.58934869979433E-14 1.052847533591329E-11 6.821608902020323E-15
tp -1.744195258551751E-11 5.476292706347997E-11 1.125797002893263E-6 3.750480724307389E-10 2.110842370528248E-7 -3.052884873945709E-11
node -1.274859090489536E-14 4.58934869979433E-14 3.750480724307389E-10 6.346759706640545E-9 -6.250307586910839E-9 -7.63700236003416E-11
peri -3.297480096768167E-12 1.052847533591329E-11 2.110842370528248E-7 -6.250307586910839E-9 4.591565204770744E-8 7.057745763884008E-11
i -1.676519922045034E-15 6.821608902020323E-15 -3.052884873945709E-11 -7.63700236003416E-11 7.057745763884008E-11 6.940972411141626E-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 16.2   n/a MPO437519  

359888 (2011 WZ44)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 WZ44 = 2008 EV112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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