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 ]  
4268 Grebenikov (1972 TW3)
Classification: Main-belt Asteroid          SPK-ID: 2004268
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597341518834614 3.3013e-08  
a 2.639115412138477 7.8588e-09 au
q 1.953647008844118 8.8875e-08 au
i 4.228900397097095 3.9059e-06 deg
node 359.4643076636773 4.0262e-05 deg
peri 20.06078819374583 4.0812e-05 deg
M 39.37225186706256 5.7222e-06 deg
tp 2458829.232974492465
(2019-Dec-11.73297449)
2.4816e-05 TDB
period 1565.979243221595
4.29
6.9948e-06
1.915e-08
d
yr
n .2298881045571164 1.0268e-09 deg/d
Q 3.324583815432836 9.9e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2160  
   data-arc span      28497 days (78.02 yr)  
   first obs. used      1942-09-14  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:51:40  

Additional Information
 Earth MOID = .956556 au 
 Jupiter MOID = 2.14614 au 
 T_jup = 3.343 
[ 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 13.6   n/a MPO502194  
diameter diameter 4.298 km 0.740 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.136   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4268 Grebenikov (1972 TW3)          Discovered 1972-Oct-05 by Smirnova, T. M. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1972 TW3 = 1942 RC1 = 1972 RH2 = 1982 BG3 
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 09:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin