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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029601374403981 3.4031e-08  
a 2.395321136064609 7.244e-09 au
q 2.148698542681506 8.0986e-08 au
i 4.839023259864621 3.6128e-06 deg
node 148.9502788378089 4.1359e-05 deg
peri 248.5830602387375 4.4949e-05 deg
M 96.07921793151939 1.7071e-05 deg
tp 2458639.114265160229
(2019-Jun-04.61426516)
6.4082e-05 TDB
period 1354.079137436837
3.71
6.1426e-06
1.682e-08
d
yr
n .2658633384467107 1.2061e-09 deg/d
Q 2.641943729447711 7.9899e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2788  
   data-arc span      32613 days (89.29 yr)  
   first obs. used      1931-01-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:34:30  

Additional Information
 Earth MOID = 1.16107 au 
 Jupiter MOID = 2.71924 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-August); 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 ]
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