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357920 (2005 WQ44)
Classification: Main-belt Asteroid          SPK-ID: 2357920
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01927773419511202 5.6441e-08  
a 3.152209283590422 4.8787e-08 au
q 3.091441830894002 2.0296e-07 au
i 8.60495930288964 5.9995e-06 deg
node 246.9676800770057 3.9875e-05 deg
peri 16.34128711041301 0.00016776 deg
M 13.18116069464983 0.00016212 deg
tp 2458925.653388003286
(2020-Mar-17.15338800)
0.00092061 TDB
period 2044.18874354166
5.60
4.7458e-05
1.299e-07
d
yr
n .1761089826648208 4.0885e-09 deg/d
Q 3.212976736286843 4.9728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-04-05  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:46  

Additional Information
 Earth MOID = 2.0771 au 
 Jupiter MOID = 1.81504 au 
 T_jup = 3.190 
[ 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 15.4   n/a MPO437512  

357920 (2005 WQ44)          Discovered 2005-Nov-22 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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