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1790 Volkov (1967 ER)
Classification: Main-belt Asteroid          SPK-ID: 2001790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100970992235927 3.616e-08  
a 2.238175948056248 5.4912e-09 au
q 2.012185101782422 8.1972e-08 au
i 5.108589678951446 3.4871e-06 deg
node 1.978301482918051 3.8312e-05 deg
peri 147.3691420996607 4.1698e-05 deg
M 340.2402185880826 1.6376e-05 deg
tp 2459067.630425310126
(2020-Aug-06.13042531)
5.5675e-05 TDB
period 1223.037472320911
3.35
4.5009e-06
1.232e-08
d
yr
n .294349116970915 1.0832e-09 deg/d
Q 2.464166794330074 6.0456e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2837  
   data-arc span      34486 days (94.42 yr)  
   first obs. used      1925-12-03  
   last obs. used      2020-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:28  

Additional Information
 Earth MOID = 1.0249 au 
 Jupiter MOID = 2.52528 au 
 T_jup = 3.625 
[ 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 12.4   n/a MPO256875  
diameter diameter 7.087 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.7419 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2007) Minor Planet Bull. 34, 64-65.]
geometric albedo albedo 0.511   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1790 Volkov (1967 ER)          Discovered 1967-Mar-09 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1967 ER = 1926 AB = 1950 BU1 = 1955 SV2 = 1957 FB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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