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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873328151331191 4.1703e-08  
a 2.297442888398209 1.2821e-08 au
q 1.867056444507008 9.5577e-08 au
i 3.053316385645274 4.6774e-06 deg
node 135.1363826246285 6.9938e-05 deg
peri 189.8244371068793 7.0729e-05 deg
M 233.4431024054278 1.2019e-05 deg
tp 2459447.645466986925
(2021-Aug-21.14546699)
4.4805e-05 TDB
period 1271.936742878855
3.48
1.0647e-05
2.915e-08
d
yr
n .2830329432776579 2.3692e-09 deg/d
Q 2.727829332289409 1.5222e-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 = .855101 au 
 Jupiter MOID = 2.59764 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457268.5 (2015-Sep-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879639633160972 4.1857e-08  
q 1.865393470027718 9.6002e-08 au
tp 2456902.024241585361
(2014-Sep-01.52424159)
3.4514e-05 TDB
node 135.172687630024 6.9883e-05 deg
peri 189.5140256262065 7.0662e-05 deg
i 3.053968468030035 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.      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
 Jupiter MOID = 2.59764 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.752017576245474E-15 -3.994916967420919E-15 -1.204953069959094E-13 -2.84486190879415E-15 -2.507143976284001E-14 2.545235207317401E-16
q -3.994916967420919E-15 9.216434872399636E-15 3.601845335863962E-13 6.198462397219443E-15 8.734217587494044E-14 -4.281601102005828E-16
tp -1.204953069959094E-13 3.601845335863962E-13 1.191231336617826E-9 -9.495457893960657E-12 3.720208436328087E-10 -1.65559222333741E-13
node -2.84486190879415E-15 6.198462397219443E-15 -9.495457893960657E-12 4.883588049300646E-9 -4.878569397805912E-9 6.929281511873931E-12
peri -2.507143976284001E-14 8.734217587494044E-14 3.720208436328087E-10 -4.878569397805912E-9 4.993135295081721E-9 -6.945942102851608E-12
i 2.545235207317401E-16 -4.281601102005828E-16 -1.65559222333741E-13 6.929281511873931E-12 -6.945942102851608E-12 2.191149966398295E-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 17.0   n/a MPO454061  
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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