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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09953801045435591 7.0951e-08  
a 2.6295142119843 4.45e-08 au
q 2.367777598861929 1.9169e-07 au
i 15.74733429556505 7.8378e-06 deg
node 60.84315737654563 2.3656e-05 deg
peri 191.4181040305208 4.4267e-05 deg
M 222.6084468984747 3.5803e-05 deg
tp 2459194.886918393146
(2020-Dec-11.38691839)
0.00015308 TDB
period 1557.441384066843
4.26
3.9535e-05
1.082e-07
d
yr
n .2311483460520074 5.8676e-09 deg/d
Q 2.89125082510667 4.8929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      4879 days (13.36 yr)  
   first obs. used      2004-07-15  
   last obs. used      2017-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:02:23  

Additional Information
 Earth MOID = 1.35548 au 
 Jupiter MOID = 2.13675 au 
 T_jup = 3.340 
[ 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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