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277491 (2005 WU84)
Classification: Main-belt Asteroid          SPK-ID: 2277491
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09959026606130475 6.7218e-08  
a 2.62868938230095 3.3664e-08 au
q 2.366897507325071 1.8862e-07 au
i 15.74717548423917 6.5612e-06 deg
node 60.8371524050618 2.3108e-05 deg
peri 191.6185259665066 4.3034e-05 deg
M 314.8953147122759 3.5471e-05 deg
tp 2459195.541258011567
(2020-Dec-12.04125801)		 0.00015292 TDB
period 1556.708630960652
4.26		 2.9904e-05
8.187e-08		 d
yr
n .2312571491158511 4.4424e-09 deg/d
Q 2.890481257276828 3.7017e-08 au
   Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      5766 days (15.79 yr)  
   first obs. used      2004-07-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:26:43  

Additional Information
 Earth MOID = 1.35483 au 
 Jupiter MOID = 2.13782 au 
 T_jup = 3.341 
[ 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 16.0   n/a MPO427523  

277491 (2005 WU84)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 WU84 = 2007 CF79 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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