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9167 Kharkiv (1987 SS17)
Classification: Main-belt Asteroid          SPK-ID: 2009167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656676110781102 1.3574e-08  
a 3.144931562786192 1.1999e-08 au
q 2.623918263775256 4.2228e-08 au
i 6.949898380564872 7.411e-07 deg
node 359.6938885194798 5.6479e-06 deg
peri 324.4408645234038 1.0507e-05 deg
M 24.03601097048664 6.4664e-06 deg
tp 2459064.488660301792
(2020-Aug-02.98866030)
3.6449e-05 TDB
period 2037.113494060102
5.58
1.1659e-05
3.192e-08
d
yr
n .176720639792384 1.0114e-09 deg/d
Q 3.665944861797129 1.3987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3192  
   data-arc span      14409 days (39.45 yr)  
   first obs. used      1981-09-01  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:11:44  

Additional Information
 Earth MOID = 1.61414 au 
 Jupiter MOID = 1.70704 au 
 T_jup = 3.177 
[ 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 12.84   n/a E2021B10  
diameter diameter 18.007 km 4.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.66176 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.060   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

9167 Kharkiv           Discovered 1987 Sept. 18 by L. I. Chernykh at the Crimean Astrophysical Observatory.
Kharkiv (Khar'kov), an industrial and cultural center, is one of the largest cities in Ukraine. It was the capital of Ukraine from 1919 to 1934.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

[ show close-approach data ]
Alternate Designations
 1987 SS17 = 1981 SP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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