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437400 (2013 WN66)
Classification: Main-belt Asteroid          SPK-ID: 2437400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952095502851854 5.5637e-08  
a 2.343442828652781 1.3444e-08 au
q 1.885980407952429 1.343e-07 au
i 4.742064570660369 7.062e-06 deg
node 243.7639382967111 9.396e-05 deg
peri 195.3741376776502 9.7905e-05 deg
M 28.02914304685534 2.6042e-05 deg
tp 2459294.479536965765
(2021-Mar-20.97953697)
9.4672e-05 TDB
period 1310.327848087569
3.59
1.1276e-05
3.087e-08
d
yr
n .2747404022019543 2.3642e-09 deg/d
Q 2.800905249353133 1.6068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      9157 days (25.07 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5367  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:27  

Additional Information
 Earth MOID = .901863 au 
 Jupiter MOID = 2.45476 au 
 T_jup = 3.532 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.80   n/a MPCxxxxx  

437400 (2013 WN66)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 WN66 = 1995 WJ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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