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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2568479464732506 4.2165e-08  
a 2.602227525597077 1.1058e-08 au
q 1.933850729391299 1.101e-07 au
i 6.988124300127672 5.4118e-06 deg
node 188.3721941516752 3.7299e-05 deg
peri 261.1084044496118 3.8642e-05 deg
M 192.0540833593951 9.6028e-06 deg
tp 2459715.791846746339
(2022-May-16.29184675)
4.2279e-05 TDB
period 1533.261837974477
4.20
9.7735e-06
2.676e-08
d
yr
n .2347935565105956 1.4966e-09 deg/d
Q 3.270604321802854 1.3899e-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 = .964684 au 
 Jupiter MOID = 2.01628 au 
 T_jup = 3.356 
[ 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2097-Feb-27 13:31 00:01 Amphi 0.0452588270345837 0.045247111437783 0.0452705432282469 5.52155972521858 5.52155970221433 2487032.062970944 1.13767784151051 639.180677310344 39.6902165395262 24.0194276451874 70086.283909011 T 21 CATAB v2.0e-lin.ifort 2019-May-30 02:32:21 2019-May-30 02:32

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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