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 ]  
8321 Akim (1977 EX)
Classification: Main-belt Asteroid          SPK-ID: 2008321
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074408520013452 3.8788e-08  
a 2.651806016197798 9.9408e-09 au
q 2.366893718475214 1.038e-07 au
i 12.11526074437257 4.0735e-06 deg
node 304.7974175979174 1.4969e-05 deg
peri 228.7249656471071 2.1613e-05 deg
M 358.8490227240129 1.496e-05 deg
tp 2459005.542841321095
(2020-Jun-05.04284132)
6.5545e-05 TDB
period 1577.288199749449
4.32
8.8692e-06
2.428e-08
d
yr
n .2282398359774617 1.2834e-09 deg/d
Q 2.936718313920383 1.1009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2431  
   data-arc span      15795 days (43.24 yr)  
   first obs. used      1977-03-13  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:47:51  

Additional Information
 Earth MOID = 1.39276 au 
 Jupiter MOID = 2.13358 au 
 T_jup = 3.350 
[ 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 12.8   n/a MPO358712  
diameter diameter 10.532 km 0.671 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.145   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

8321 Akim           Discovered 1977 Mar. 13 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Efraim Lazarevich Akim (b. 1929), deputy director at the Keldysh Institute of Applied Mathematics, is an outstanding scientist in applied celestial mechanics to the moon and planets and the determination of parameters of the solar system.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1977 EX = 1988 XM3 = 1991 NO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 19:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin