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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
2084 Okayama (1935 CK)
Classification: Main-belt Asteroid          SPK-ID: 2002084
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027643416037314 3.6375e-08  
a 2.395188330127571 7.6806e-09 au
q 2.14904837836507 8.7507e-08 au
i 4.838659096060896 3.8129e-06 deg
node 148.9575716107757 4.4307e-05 deg
peri 248.6467051367621 4.7696e-05 deg
M 349.6834322305549 1.74e-05 deg
tp 2458639.300798393392
(2019-Jun-04.80079839)
6.5466e-05 TDB
period 1353.966525862554
3.71
6.5126e-06
1.783e-08
d
yr
n .2658854507283033 1.2789e-09 deg/d
Q 2.641328281890072 8.4699e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2511  
   data-arc span      32433 days (88.80 yr)  
   first obs. used      1931-01-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:12:14  

Additional Information
 Earth MOID = 1.1608 au 
 Jupiter MOID = 2.72005 au 
 T_jup = 3.517 
[ 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 12.2   n/a MPO347535  
diameter diameter 18.079 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.5470 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.083   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2084 Okayama (1935 CK)          Discovered 1935-Feb-07 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 CK = 1931 AD1 = 1939 GV = 1944 QN = 1948 RA1 = 1948 TH = 1950 EL = 1952 YC = 1959 SA = 1963 UV = 1965 HA = 1969 KD = 1970 PK = 1974 UK = 1976 GR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin