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9222 Chubey (1995 YM)
Classification: Main-belt Asteroid          SPK-ID: 2009222
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181866396184367 5.3219e-08  
a 3.124153340604421 2.5667e-08 au
q 2.555974831421344 1.6323e-07 au
i 17.36083351913132 6.4992e-06 deg
node 101.1685809778353 1.8148e-05 deg
peri 110.0164933580666 2.5638e-05 deg
M 168.4793736778826 1.6393e-05 deg
tp 2456656.566980514980
(2013-Dec-30.06698052)
9.2129e-05 JED
period 2016.958394351017
5.52
2.4856e-05
6.805e-08
d
yr
n .1784865771194228 2.1996e-09 deg/d
Q 3.692331849787498 3.0335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      13068 days (35.78 yr)  
   first obs. used      1980-02-21  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46649  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:09:48  

Additional Information
 Earth MOID = 1.60878 au 
 Jupiter MOID = 1.63078 au 
 T_jup = 3.120 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO347598  
rotation period rot_per 10.8290 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Benishek, V. (2015) Minor Planet Bul. 42, 143-144.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

9222 Chubey           Discovered 1995 Dec. 19 by T. Kobayashi at Oizumi.
Markiyan S. Chubey (b. 1940) is a Ukrainian-born Russian scientist working at the Pulkovo Observatory. He is an astrometrist and is leading a team to develop astrometry and astrophysics at the sun-earth L4 and L5 points using the stereo principle.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100330/MPCPages.arcLast Updated: 2010-04-05

[ show close-approach data ]
Alternate Designations
 1995 YM = 1980 DG6 = 1984 YB5 = 1984 YK7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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