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6611 (1993 VW)
Classification: Apollo [NEO]          SPK-ID: 2006611
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 191 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4846165196647871 2.7903e-08  
a 1.695959651251865 2.6371e-09 au
q .8740695875702802 4.7795e-08 au
i 8.696929771515965 5.793e-06 deg
node 230.9589661786697 1.6442e-05 deg
peri 281.3458015530303 1.7463e-05 deg
M 56.61352761240262 6.0435e-06 deg
tp 2457473.635703227675
(2016-Mar-26.13570323)
1.334e-05 JED
period 806.7179129115361
2.21
1.8816e-06
5.152e-09
d
yr
n .4462526420179754 1.0408e-09 deg/d
Q 2.51784971493345 3.915e-09 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      12215 days (33.44 yr)  
   first obs. used      1982-11-15  
   last obs. used      2016-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61357  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-26 05:48:27  

Additional Information
 Earth MOID = .0606485 au 
 Jupiter MOID = 2.55935 au 
 T_jup = 4.055 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9 mag n/a MPO365328  
rotation period rot_per 2.5568 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/astero id/lightcurves.htm]
SMASSII spectral type spec_B V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

6611 (1993 VW)          Discovered 1993-Nov-09 by Helin, E. F., Alu, J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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