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7305 Ossakajusto (1994 CX1)
Classification: Main-belt Asteroid          SPK-ID: 2007305
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244105141327044 4.6356e-08  
a 2.744339028963283 1.3434e-08 au
q 2.128480496519186 1.2845e-07 au
i 14.44621733918644 5.1913e-06 deg
node 314.8899456844936 1.5131e-05 deg
peri 335.3622905991286 1.7973e-05 deg
M 159.7644429883858 1.0411e-05 deg
tp 2458263.559034942209
(2018-May-25.05903494)
4.7605e-05 TDB
period 1660.561902626175
4.55
1.2193e-05
3.338e-08
d
yr
n .2167940860444051 1.5919e-09 deg/d
Q 3.36019756140738 1.6449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2314  
   data-arc span      18881 days (51.69 yr)  
   first obs. used      1968-08-19  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:45:00  

Additional Information
 Earth MOID = 1.12085 au 
 Jupiter MOID = 1.91587 au 
 T_jup = 3.267 
[ 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 MPO502222  
diameter diameter 23.779 km 0.999 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 15.3838 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Contreras, M.E.; Olguin, L.; Loera-Gonzalez, L.; Saucedo, J.C.; et al. (2019) Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.049   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7305 Ossakajusto           Discovered 1994 Feb. 8 by K. Endate and K. Watanabe at Kitami.
Named in memory of Justo Ossaka (1922-1998), emeritus director of the Sendai Astronomical Observatory. Graduating from the Geophysical Institute, Tohoku University, in 1950, he worked at the Sendai Observatory from 1956 to 1994. He contributed greatly to attracting amateur astronomers and planetarium visitors. Name proposed by A. Watanabe and M. Koishikawa of the Sendai Astronomical Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990202/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1994 CX1 = 1950 RO1 = 1968 QA = 1980 BF4 = 1989 CY8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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