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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456789.5 (2014-May-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593950346301626 4.2394e-08  
q 1.924045513265215 1.1098e-07 au
tp 2456653.789089508775
(2013-Dec-27.28908951)
3.9002e-05 TDB
node 188.5652546463323 3.7261e-05 deg
peri 260.7336362595885 3.8548e-05 deg
i 6.99643628368637 5.4233e-06 deg
  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
 Jupiter MOID = 2.01628 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.797276767163913E-15 -4.691594082964061E-15 -7.647572191569479E-13 -1.149454766601637E-14 -1.926177831791894E-13 -6.774760387054648E-15
q -4.691594082964061E-15 1.231582703483664E-14 1.94806773860525E-12 3.189272918269284E-14 4.896787062327518E-13 1.864334599747581E-14
tp -7.647572191569479E-13 1.94806773860525E-12 1.521175043766354E-9 4.541693449278382E-12 4.068536004433213E-10 3.909873969138736E-12
node -1.149454766601637E-14 3.189272918269284E-14 4.541693449278382E-12 1.388397728600415E-9 -1.376027280840577E-9 7.917779388144494E-11
peri -1.926177831791894E-13 4.896787062327518E-13 4.068536004433213E-10 -1.376027280840577E-9 1.48593709858424E-9 -7.74716980977022E-11
i -6.774760387054648E-15 1.864334599747581E-14 3.909873969138736E-12 7.917779388144494E-11 -7.74716980977022E-11 2.941216223036938E-11

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

[ show close-approach data ]
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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