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(2011 WL41)
Classification: Mars-crossing Asteroid          SPK-ID: 3589223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455889.5 (2011-Nov-24.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4952063615455383 0.015842  
a 2.773830111745128 0.11577 au
q 1.400211794562369 0.015181 au
i 2.069515207981523 0.082747 deg
node 226.4899092706335 0.10243 deg
peri 192.4082524804547 2.4803 deg
M 359.6078204235745 0.68786 deg
tp 2455891.338233543997
(2011-Nov-25.83823354)
3.1756 TDB
period 1687.400659337223
4.62
105.64
0.2892
d
yr
n .2133458926947444 0.013357 deg/d
Q 4.147448428927887 0.17311 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      3 days  
   first obs. used      2011-11-23  
   last obs. used      2011-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .52075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:47:10  

Additional Information
 Earth MOID = .412234 au 
 Jupiter MOID = 1.23549 au 
 T_jup = 3.144 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.397   .29369 4 autocmod 2.9c

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