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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2560506231680257 4.0198e-08  
a 2.602719965775515 1.112e-08 au
q 1.936291896606831 1.0421e-07 au
i 6.993968831001756 5.3323e-06 deg
node 188.1709562930279 3.5577e-05 deg
peri 261.4598280581113 3.692e-05 deg
M 238.7208335698374 9.6943e-06 deg
tp 2459717.181955805229
(2022-May-17.68195581)
4.214e-05 TDB
period 1533.697085533581
4.20
9.8294e-06
2.691e-08
d
yr
n .2347269244987541 1.5043e-09 deg/d
Q 3.269148034944198 1.3968e-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 = .966886 au 
 Jupiter MOID = 2.01721 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456926.5 (2014-Sep-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593118165451525 4.0798e-08  
q 1.92378335485379 1.0637e-07 au
tp 2456653.677347131586
(2013-Dec-27.17734713)
3.8352e-05 TDB
node 188.5606399014868 3.5582e-05 deg
peri 260.692260505535 3.6817e-05 deg
i 6.997440154843333 5.3472e-06 deg
  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
 Jupiter MOID = 2.01721 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.664513965132786E-15 -4.327859619739252E-15 -7.856364472397763E-13 -1.460323304342831E-14 -2.035959024233478E-13 -5.748147658751671E-15
q -4.327859619739252E-15 1.131537185434865E-14 2.013184850280692E-12 4.057056926419738E-14 5.217053241700641E-13 1.596543138375119E-14
tp -7.856364472397763E-13 2.013184850280692E-12 1.470838181219376E-9 9.412148532132783E-12 3.837004642277886E-10 3.627704463066406E-12
node -1.460323304342831E-14 4.057056926419738E-14 9.412148532132783E-12 1.266112871099723E-9 -1.25323568795165E-9 8.165082372961631E-11
peri -2.035959024233478E-13 5.217053241700641E-13 3.837004642277886E-10 -1.25323568795165E-9 1.355487513512923E-9 -7.996268998658117E-11
i -5.748147658751671E-15 1.596543138375119E-14 3.627704463066406E-12 8.165082372961631E-11 -7.996268998658117E-11 2.859212087267834E-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 14.24   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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