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216897 Golubev (2009 HJ58)
Classification: Main-belt Asteroid          SPK-ID: 2216897
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04148413972288253 4.7187e-08  
a 3.095216893974611 3.0809e-08 au
q 2.966814483872341 1.5471e-07 au
i 11.45907165667049 5.0081e-06 deg
node 70.28579060896095 2.4225e-05 deg
peri 175.4516295085021 6.6246e-05 deg
M 10.35074242471623 6.0167e-05 deg
tp 2459143.312111963492
(2020-Oct-20.81211196)
0.00033262 TDB
period 1989.001256951592
5.45
2.9697e-05
8.131e-08
d
yr
n .1809953607328272 2.7023e-09 deg/d
Q 3.223619304076879 3.2087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:42  

Additional Information
 Earth MOID = 1.95163 au 
 Jupiter MOID = 1.79377 au 
 T_jup = 3.192 
[ 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 15.30   n/a E2021B55  

216897 Golubev           Discovered 2009 Apr. 24 by V. Nevski at the Vitebsk Amateur Observatory.
Golubev Vladimir Aleksandrovich (b. 1940), on the astronomy faculty at Vitebsk State University, is a well-known astronomy popularizer and publicist in Belarus. He is president of the School Astronomy Club "Helios".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

[ show close-approach data ]
Alternate Designations
 2009 HJ58 = 2006 VO154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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