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362785 (2011 WJ121)
Classification: Main-belt Asteroid          SPK-ID: 2362785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613206569255108 6.0599e-08  
a 2.881761771815297 3.5976e-08 au
q 2.41687406968323 1.8709e-07 au
i 7.756545831247509 1.139e-05 deg
node 341.1931005617133 4.4679e-05 deg
peri 134.5639027022875 5.9149e-05 deg
M 275.7447922095201 4.2103e-05 deg
tp 2459618.695922411541
(2022-Feb-08.19592241)
0.00021275 TDB
period 1786.839484658724
4.89
3.3461e-05
9.161e-08
d
yr
n .2014730495329063 3.7728e-09 deg/d
Q 3.346649473947365 4.178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6460 days (17.69 yr)  
   first obs. used      2003-04-01  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:46  

Additional Information
 Earth MOID = 1.44024 au 
 Jupiter MOID = 1.75894 au 
 T_jup = 3.261 
[ 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 16.36   n/a MPCxxxxx  

362785 (2011 WJ121)          Discovered 2006-Nov-22 by CSS at Catalina
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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