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17661 (1996 VW7)
Classification: Main-belt Asteroid          SPK-ID: 2017661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2583707211748659 4.2426e-08  
a 2.598263688562973 1.1099e-08 au
q 1.926948425546491 1.1079e-07 au
i 6.99624905333704 5.4227e-06 deg
node 188.5438589818651 3.7254e-05 deg
peri 260.6808675507173 3.8548e-05 deg
M 98.34954303869459 9.3361e-06 deg
tp 2458182.580045024277
(2018-Mar-05.08004502)
3.9238e-05 TDB
period 1529.75986611414
4.19
9.8018e-06
2.684e-08
d
yr
n .2353310529151634 1.5079e-09 deg/d
Q 3.269578951579455 1.3966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      12494 days (34.21 yr)  
   first obs. used      1985-02-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49966  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:13  

Additional Information
 Earth MOID = .957802 au 
 Jupiter MOID = 2.01914 au 
 T_jup = 3.358 
[ 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 14.3   n/a MPO435863  
diameter diameter 7.456 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17661 (1996 VW7)          Discovered 1996-Nov-03 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 VW7 = 1985 DQ2 = 1989 AN9 = 1989 CC2 = 1998 HW70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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