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 ]  
2723 Gorshkov (1978 QL2)
Classification: Main-belt Asteroid          SPK-ID: 2002723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000699150535056 4.4099e-08  
a 3.116111949932005 1.4257e-08 au
q 2.492671696811895 1.3749e-07 au
i 2.081498901215185 4.2712e-06 deg
node 153.073744376747 0.00010658 deg
peri 227.3538441374817 0.00010682 deg
M 172.5174058655089 8.0178e-06 deg
tp 2458037.672639868706
(2017-Oct-11.17263987)
4.2604e-05 TDB
period 2009.176105496752
5.50
1.3789e-05
3.775e-08
d
yr
n .179177922241412 1.2297e-09 deg/d
Q 3.739552203052115 1.7109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2156  
   data-arc span      25458 days (69.70 yr)  
   first obs. used      1950-08-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:44:04  

Additional Information
 Earth MOID = 1.49589 au 
 Jupiter MOID = 1.72007 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456582.5 (2013-Oct-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992821982925524 4.4071e-08  
q 2.496846000051855 1.3761e-07 au
tp 2456030.299795926733
(2012-Apr-12.79979593)
4.1702e-05 TDB
node 153.0790551383836 0.00010666 deg
peri 227.9735981826653 0.00010691 deg
i 2.080152773302624 4.2681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2156  
   data-arc span      25458 days (69.70 yr)  
   first obs. used      1950-08-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:44:04  

Additional Information
 Jupiter MOID = 1.72007 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.942223121237499E-15 -6.043898408846799E-15 -2.309931743877525E-13 3.718264340049328E-15 -8.220655943592675E-14 -4.709350744920327E-16
q -6.043898408846799E-15 1.893766578641817E-14 6.750590766437781E-13 -9.933389180033914E-15 2.533249913627498E-13 1.594198733223715E-15
tp -2.309931743877525E-13 6.750590766437781E-13 1.739049810284335E-9 -5.955660875320826E-12 3.275338836988524E-10 -9.825699069696336E-14
node 3.718264340049328E-15 -9.933389180033914E-15 -5.955660875320826E-12 1.137542623386772E-8 -1.136837848745409E-8 1.966641743157636E-10
peri -8.220655943592675E-14 2.533249913627498E-13 3.275338836988524E-10 -1.136837848745409E-8 1.142895891374509E-8 -1.965236897672996E-10
i -4.709350744920327E-16 1.594198733223715E-15 -9.825699069696336E-14 1.966641743157636E-10 -1.965236897672996E-10 1.821634629325519E-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 13.1   n/a MPO435723  
diameter diameter 12.796 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2723 Gorshkov (1978 QL2)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 QL2 = 1951 XA1 = 1962 WY1 = 1979 YT7 
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-28 18:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin