Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009709946414515 3.6508e-08  
a 2.23817594853014 5.5392e-09 au
q 2.012185096824478 8.2657e-08 au
i 5.108589246387209 3.5693e-06 deg
node 1.978302696390582 3.8341e-05 deg
peri 147.3691414134443 4.1731e-05 deg
M 340.2402176881129 1.6429e-05 deg
tp 2459067.630428388937
(2020-Aug-06.13042839)
5.5857e-05 TDB
period 1223.037472709344
3.35
4.5403e-06
1.243e-08
d
yr
n .2943491168774306 1.0927e-09 deg/d
Q 2.464166800235803 6.0984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2730  
   data-arc span      34393 days (94.16 yr)  
   first obs. used      1925-12-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:05:06  

Additional Information
 Earth MOID = 1.0249 au 
 Jupiter MOID = 2.52528 au 
 T_jup = 3.625 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456487.5 (2013-Jul-14.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009754193638652 3.6553e-08  
q 2.012499533437138 8.2781e-08 au
tp 2456621.809395831315
(2013-Nov-25.30939583)
5.5028e-05 TDB
node 2.032851021538576 3.8319e-05 deg
peri 147.3643393608853 4.1701e-05 deg
i 5.110420821062291 3.5698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2730  
   data-arc span      34393 days (94.16 yr)  
   first obs. used      1925-12-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:05:06  

Additional Information
 Jupiter MOID = 2.52528 au 
 T_jup = 3.625 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.33611965583953E-15 -3.020566601243558E-15 -5.8930773927603E-14 -6.428534769347313E-18 2.448029982043688E-14 -8.13592200514664E-16
q -3.020566601243558E-15 6.852738105017867E-15 1.361738352001275E-13 1.692354574798418E-16 -5.594799944570238E-14 1.860288638670844E-15
tp -5.8930773927603E-14 1.361738352001275E-13 3.028073084553799E-9 -3.951129877239269E-12 9.13412208205378E-10 2.236747662172343E-12
node -6.428534769347313E-18 1.692354574798418E-16 -3.951129877239269E-12 1.468313490716722E-9 -1.463108571112414E-9 -1.799450667476782E-11
peri 2.448029982043688E-14 -5.594799944570238E-14 9.13412208205378E-10 -1.463108571112414E-9 1.738945240449305E-9 1.85570352591906E-11
i -8.13592200514664E-16 1.860288638670844E-15 2.236747662172343E-12 -1.799450667476782E-11 1.85570352591906E-11 1.27434214643998E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 13:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin