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 ]  
4964 Kourovka (1979 OD15)
Classification: Main-belt Asteroid          SPK-ID: 2004964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233896424914012 8.759e-09  
a 2.262431884149818 5.8349e-09 au
q 1.983271222803425 2.2474e-08 au
i 4.91923358593661 2.1681e-07 deg
node 167.4034209309588 3.0676e-06 deg
peri 204.8626700922658 7.0055e-06 deg
M 65.18461222959424 7.1521e-06 deg
tp 2459171.436907850914
(2020-Nov-17.93690785)
2.4799e-05 TDB
period 1242.973002405711
3.40
4.8086e-06
1.317e-08
d
yr
n .2896281731809446 1.1205e-09 deg/d
Q 2.541592545496211 6.5549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2946  
   data-arc span      15218 days (41.66 yr)  
   first obs. used      1979-07-21  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:35:09  

Additional Information
 Earth MOID = .983316 au 
 Jupiter MOID = 2.92326 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12429148760087 8.7968e-09  
q 1.980884327371625 2.2598e-08 au
tp 2457929.114905588598
(2017-Jun-24.61490559)
2.5694e-05 TDB
node 167.4697561861829 3.0702e-06 deg
peri 205.0054307422244 6.9561e-06 deg
i 4.918361877875887 2.1684e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2946  
   data-arc span      15218 days (41.66 yr)  
   first obs. used      1979-07-21  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:35:09  

Additional Information
 Jupiter MOID = 2.92326 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.738320434582927E-17 -1.945630485585777E-16 7.761942082172261E-14 1.891021023954299E-14 4.399243897073215E-15 4.512885146567389E-16
q -1.945630485585777E-16 5.106697248521238E-16 -2.175739837235752E-13 -4.382172141447877E-14 -2.294195592871591E-14 -1.068469987347207E-15
tp 7.761942082172261E-14 -2.175739837235752E-13 6.601764071550429E-10 1.408140528820329E-11 1.642090013953483E-10 1.205232833683691E-12
node 1.891021023954299E-14 -4.382172141447877E-14 1.408140528820329E-11 9.426183512631614E-12 -4.435319819786067E-12 1.66445468038738E-13
peri 4.399243897073215E-15 -2.294195592871591E-14 1.642090013953483E-10 -4.435319819786067E-12 4.838762837566404E-11 2.384009172697475E-13
i 4.512885146567389E-16 -1.068469987347207E-15 1.205232833683691E-12 1.66445468038738E-13 2.384009172697475E-13 4.702105616365309E-14

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.61   n/a MPCxxxxx  
diameter diameter 4.423 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.394   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4964 Kourovka (1979 OD15)          Discovered 1979-Jul-21 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1979 OD15 = 1986 RY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-23 17:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin