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 ]  
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031023565363806 3.3756e-08  
a 2.39494285744276 7.084e-09 au
q 2.148018605070438 8.0348e-08 au
i 4.839354947185384 3.5482e-06 deg
node 148.9512123733167 4.0665e-05 deg
peri 248.5196594783774 4.4034e-05 deg
M 149.3153306074189 1.6685e-05 deg
tp 2458639.008663242074
(2019-Jun-04.50866324)		 6.2411e-05 TDB
period 1353.758387772742
3.71		 6.0064e-06
1.644e-08		 d
yr
n .2659263301720232 1.1799e-09 deg/d
Q 2.641867109815081 7.8144e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3077  
   data-arc span      32934 days (90.17 yr)  
   first obs. used      1931-01-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:19:01  

Additional Information
 Earth MOID = 1.15925 au 
 Jupiter MOID = 2.71982 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456816.5 (2014-Jun-08.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024948814355737 3.3752e-08  
q 2.149974494395402 8.0327e-08 au
tp 2457281.899716739274
(2015-Sep-16.39971674)		 6.2517e-05 TDB
node 149.0156841424963 4.0627e-05 deg
peri 247.8068294433866 4.4053e-05 deg
i 4.840485895416104 3.5502e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3077  
   data-arc span      32934 days (90.17 yr)  
   first obs. used      1931-01-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:19:01  

Additional Information
 Jupiter MOID = 2.71982 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.139204942717014E-15 -2.702908637929003E-15 -1.88056706621025E-13 -3.132700141286243E-15 -7.825137049621176E-14 -1.098081251317426E-15
q -2.702908637929003E-15 6.452440000818176E-15 4.650244846670558E-13 7.630207572172417E-15 1.852987475569636E-13 2.6441445806455E-15
tp -1.88056706621025E-13 4.650244846670558E-13 3.908315864795181E-9 -4.860276455026888E-12 1.073839212490321E-9 -8.976179453442994E-13
node -3.132700141286243E-15 7.630207572172417E-15 -4.860276455026888E-12 1.650572383060578E-9 -1.645422770572121E-9 1.684818224529603E-11
peri -7.825137049621176E-14 1.852987475569636E-13 1.073839212490321E-9 -1.645422770572121E-9 1.940678440053541E-9 -1.700046980000484E-11
i -1.098081251317426E-15 2.6441445806455E-15 -8.976179453442994E-13 1.684818224529603E-11 -1.700046980000484E-11 1.260365189134606E-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 12.30   n/a E2021B10  
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. 2020-October); 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 2021-Apr-16 00:48 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin