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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 ]

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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 
[ 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 12.30   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

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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 ]
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