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91206 (1998 WY7)
Classification: Main-belt Asteroid          SPK-ID: 2091206
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840892903211958 4.0536e-08  
a 2.174565717639425 6.8237e-09 au
q 1.774251457922381 9.0271e-08 au
i 7.130201706180597 3.8366e-06 deg
node 63.9918561957471 2.7841e-05 deg
peri 329.9548894989863 2.9272e-05 deg
M 270.9268177388415 8.8542e-06 deg
tp 2459290.302214654859
(2021-Mar-16.80221465)
2.9442e-05 TDB
period 1171.270573558964
3.21
5.5131e-06
1.509e-08
d
yr
n .3073585285303652 1.4467e-09 deg/d
Q 2.574879977356468 8.0799e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      25441 days (69.65 yr)  
   first obs. used      1950-12-11  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:16:37  

Additional Information
 Earth MOID = .785424 au 
 Jupiter MOID = 2.85071 au 
 T_jup = 3.654 
[ 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 16.1   n/a MPO436410  

91206 (1998 WY7)          Discovered 1998-Nov-24 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 WY7 = 2001 QT277 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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