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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4844837111874778 3.0267e-08  
a 1.695917294727014 3.2587e-09 AU
q .8742729899106426 5.1525e-08 AU
i 8.696206021309951 6.7231e-06 deg
node 230.981810451953 1.8249e-05 deg
peri 281.2995916869567 1.9404e-05 deg
M 59.63503528560497 5.9747e-06 deg
tp 2456666.869864039484
(2014-Jan-09.36986404)
1.3137e-05 JED
period 806.6876914785383
2.21
2.3251e-06
6.366e-09
d
yr
n .4462693602528801 1.2863e-09 deg/d
Q 2.517561599543385 4.8375e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      11542 days (31.60 yr)  
   first obs. used      1982-11-15  
   last obs. used      2014-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62038  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:14:53  

Additional Information
 Earth MOID = .0610907 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (675)
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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