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(2011 WN41)
Classification: Mars-crossing Asteroid          SPK-ID: 3589225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5068274352807324 3.4637e-06  
a 2.770556680347702 1.1259e-06 au
q 1.366362543747176 1.0151e-05 au
i 9.801148992819112 0.00012279 deg
node 270.3982268343705 0.00039153 deg
peri 140.6614584548503 0.00079997 deg
M 353.5768189616396 0.00052626 deg
tp 2459230.553610120393
(2021-Jan-16.05361012)
0.0024757 TDB
period 1684.414557012567
4.61
0.0010268
2.811e-06
d
yr
n .2137241087719441 1.3028e-07 deg/d
Q 4.174750816948228 1.6966e-06 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      3211 days (8.79 yr)  
   first obs. used      2011-11-24  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .65366  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:47:10  

Additional Information
 Earth MOID = .395651 au 
 Jupiter MOID = 1.33465 au 
 T_jup = 3.118 
[ 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 20.5   .41634 E2020R54 autocmod 2.8

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