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160408 (2004 VD7)
Classification: Main-belt Asteroid          SPK-ID: 2160408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874426805230558 4.1705e-08  
a 2.297282420319753 1.2755e-08 au
q 1.866673645536525 9.5608e-08 au
i 3.053365475538064 4.6775e-06 deg
node 135.1371165845322 6.994e-05 deg
peri 189.8412915678058 7.073e-05 deg
M 290.0444551252911 1.2305e-05 deg
tp 2459447.638071561102
(2021-Aug-21.13807156)
4.4786e-05 TDB
period 1271.803484932358
3.48
1.0592e-05
2.9e-08
d
yr
n .2830625991083418 2.3575e-09 deg/d
Q 2.727891195102981 1.5146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      8788 days (24.06 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:14  

Additional Information
 Earth MOID = .852764 au 
 Jupiter MOID = 2.59754 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457268.5 (2015-Sep-03.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879639634418602 4.1857e-08  
q 1.865393469864163 9.6002e-08 au
tp 2456902.024241829367
(2014-Sep-01.52424183)
3.4514e-05 TDB
node 135.1726874574918 6.9883e-05 deg
peri 189.5140258915562 7.0662e-05 deg
i 3.05396845668023 4.681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      8788 days (24.06 yr)  
   first obs. used      1996-03-27  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:14  

Additional Information
 Jupiter MOID = 2.59754 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.752017619463239E-15 -3.994917367165331E-15 -1.204955166704909E-13 -2.844863720933218E-15 -2.507154743854185E-14 2.545234960940404E-16
q -3.994917367165331E-15 9.216436026882398E-15 3.601849372755534E-13 6.198461342238932E-15 8.734231290783704E-14 -4.281609346396821E-16
tp -1.204955166704909E-13 3.601849372755534E-13 1.191231466029981E-9 -9.495463814839381E-12 3.720208300485015E-10 -1.655598087354849E-13
node -2.844863720933218E-15 6.198461342238932E-15 -9.495463814839381E-12 4.883588110811009E-9 -4.878569462009922E-9 6.929275665982201E-12
peri -2.507154743854185E-14 8.734231290783704E-14 3.720208300485015E-10 -4.878569462009922E-9 4.993135316131576E-9 -6.945936571780974E-12
i 2.545234960940404E-16 -4.281609346396821E-16 -1.655598087354849E-13 6.929275665982201E-12 -6.945936571780974E-12 2.191149971909735E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.16   n/a E2021B55  
diameter diameter 2.235 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160408 (2004 VD7)          Discovered 2004-Nov-03 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

Alternate Designations
 2004 VD7 = 2002 AC197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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