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379336 (2009 WY77)
Classification: Main-belt Asteroid          SPK-ID: 2379336
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06501925607841871 6.6086e-08  
a 2.636680758085954 2.7007e-08 au
q 2.465245736678924 1.8113e-07 au
i 3.854083861499214 6.6921e-06 deg
node 314.4330125258482 8.0048e-05 deg
peri 49.33962232598607 9.0659e-05 deg
M 222.3244939702518 4.3535e-05 deg
tp 2459598.551979567407
(2022-Jan-19.05197957)
0.00019053 TDB
period 1563.812756916584
4.28
2.4027e-05
6.578e-08
d
yr
n .2302065886134748 3.537e-09 deg/d
Q 2.808115779492984 2.8763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6653 days (18.21 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:43  

Additional Information
 Earth MOID = 1.46424 au 
 Jupiter MOID = 2.50215 au 
 T_jup = 3.391 
[ 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 16.9   n/a MPO423395  

379336 (2009 WY77)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WY77 = 2005 YD75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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