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362767 (2011 WA57)
Classification: Main-belt Asteroid          SPK-ID: 2362767
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308490436423411 5.4598e-08  
a 2.430894707710956 1.6817e-08 au
q 2.112814460011749 1.3571e-07 au
i 1.96338578143608 6.2371e-06 deg
node 139.6432905980744 0.00016945 deg
peri 11.99737624098012 0.00017272 deg
M 67.88594228667822 2.833e-05 deg
tp 2458939.449217785664
(2020-Mar-30.94921779)
0.00010966 TDB
period 1384.355559215727
3.79
1.4366e-05
3.933e-08
d
yr
n .2600487985932958 2.6986e-09 deg/d
Q 2.748974955410162 1.9018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5465 days (14.96 yr)  
   first obs. used      2005-03-10  
   last obs. used      2020-02-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:43  

Additional Information
 Earth MOID = 1.12338 au 
 Jupiter MOID = 2.24188 au 
 T_jup = 3.495 
[ 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 17.93   n/a E2021B25  

362767 (2011 WA57)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
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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