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187431 (2005 WV27)
Classification: Main-belt Asteroid          SPK-ID: 2187431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07741795093261554 4.532e-08  
a 3.116690248056629 3.8488e-08 au
q 2.87540247536042 1.4568e-07 au
i 1.663093435137778 5.1507e-06 deg
node 8.916723957435496 0.00018077 deg
peri 262.2108901256431 0.00018813 deg
M 60.25931836428513 4.7347e-05 deg
tp 2458864.096423783467
(2020-Jan-15.59642378)
0.00026818 TDB
period 2009.735435536046
5.50
3.7227e-05
1.019e-07
d
yr
n .1791280551830342 3.3181e-09 deg/d
Q 3.357978020752839 4.1468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      5880 days (16.10 yr)  
   first obs. used      2004-09-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:23  

Additional Information
 Earth MOID = 1.85803 au 
 Jupiter MOID = 1.7149 au 
 T_jup = 3.212 
[ 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 15.93   n/a E2021B55  

187431 (2005 WV27)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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