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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2558074014960849 3.9961e-08  
a 2.600674442876344 1.1312e-08 au
q 1.935402671506868 1.0335e-07 au
i 7.003008650347633 5.3366e-06 deg
node 188.091845839978 3.5511e-05 deg
peri 261.7356331477694 3.6889e-05 deg
M 284.4807765118849 9.8078e-06 deg
tp 2459717.853050300266
(2022-May-18.35305030)
4.2227e-05 TDB
period 1531.889401991828
4.19
9.9951e-06
2.737e-08
d
yr
n .2350039105511877 1.5333e-09 deg/d
Q 3.26594621424582 1.4206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      12896 days (35.31 yr)  
   first obs. used      1985-02-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:09:31  

Additional Information
 Earth MOID = .966397 au 
 Jupiter MOID = 2.02002 au 
 T_jup = 3.357 
[ 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 14.24   n/a E2021B10  
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

[ hide close-approach data ]
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 23 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:38 2021-Apr-13 02:09

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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