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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 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4844837237513716 3.218e-08  
a 1.695917295901571 3.4875e-09 AU
q .8742729692088214 5.4705e-08 AU
i 8.6962108491396 7.5433e-06 deg
node 230.9818185719193 1.9279e-05 deg
peri 281.2995796758845 2.059e-05 deg
M 59.6350344795682 6.4463e-06 deg
tp 2456666.869865706826
(2014-Jan-09.36986571)
1.4173e-05 JED
period 806.6876923165811
2.21
2.4883e-06
6.813e-09
d
yr
n .4462693597892647 1.3766e-09 deg/d
Q 2.517561622594321 5.1771e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      11326 days (31.01 yr)  
   first obs. used      1982-11-15  
   last obs. used      2013-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 22:49:51  

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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