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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187442680514454 4.1705e-08  
a 2.297282419822638 1.2755e-08 au
q 1.866673645152352 9.5608e-08 au
i 3.053365490732084 4.6775e-06 deg
node 135.1371167419117 6.994e-05 deg
peri 189.8412913407992 7.073e-05 deg
M 290.0444553612959 1.2305e-05 deg
tp 2459447.638070647129
(2021-Aug-21.13807065)
4.4786e-05 TDB
period 1271.803484519545
3.48
1.0592e-05
2.9e-08
d
yr
n .2830625992002207 2.3575e-09 deg/d
Q 2.727891194492925 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:32:52  

Additional Information
 Earth MOID = .852764 au 
 Jupiter MOID = 2.59754 au 
 T_jup = 3.569 
[ show covariance matrix ]

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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