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6404 Vanavara (1991 PS6)
Classification: Main-belt Asteroid          SPK-ID: 2006404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09384811252356566 4.2028e-08  
a 3.063504535664992 1.6108e-08 au
q 2.77600041728545 1.3315e-07 au
i 4.273031925638516 3.6826e-06 deg
node 109.6405115809316 6.6066e-05 deg
peri 42.7853368118677 6.97e-05 deg
M 226.4963631345098 2.2427e-05 deg
tp 2459326.801288082906
(2021-Apr-22.30128808)
0.00012323 TDB
period 1958.51191659509
5.36
1.5447e-05
4.229e-08
d
yr
n .1838130250572418 1.4498e-09 deg/d
Q 3.351008654044535 1.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1837  
   data-arc span      25577 days (70.03 yr)  
   first obs. used      1949-11-23  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:12:36  

Additional Information
 Earth MOID = 1.78913 au 
 Jupiter MOID = 1.64793 au 
 T_jup = 3.222 
[ show covariance matrix ]

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 13.0   n/a MPO358693  
diameter diameter 17.276 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6404 Vanavara (1991 PS6)          Discovered 1991-Aug-06 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 PS6 = 1978 EQ1 = 1989 EY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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