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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 177 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4845829698502165 2.8622e-08  
a 1.695804964222909 2.8549e-09 au
q .8740467583730318 4.9004e-08 au
i 8.696926965270608 6.179e-06 deg
node 230.9611218560338 1.6523e-05 deg
peri 281.3414951491086 1.7583e-05 deg
M 327.3584510880165 6.2111e-06 deg
tp 2457473.635887901079
(2016-Mar-26.13588790)
1.4045e-05 JED
period 806.6075453521883
2.21
2.0369e-06
5.577e-09
d
yr
n .4463137024620983 1.1271e-09 deg/d
Q 2.517563170072787 4.2383e-09 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      12135 days (33.22 yr)  
   first obs. used      1982-11-15  
   last obs. used      2016-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60909  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-06 06:22:25  

Additional Information
 Earth MOID = .0606846 au 
 Jupiter MOID = 2.56015 au 
 T_jup = 4.056 
[ 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 16.8 mag n/a MPO236431  
rotation period rot_per 2.5568 h n/a LCDB (Rev. 2015-December); 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]
[Warner, B.D. (2015) http://www.minorplanetobserver.com/PDO/PDOLig htcurves.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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