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16861 Lipovetsky (1997 YZ11)
Classification: Main-belt Asteroid          SPK-ID: 2016861
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08388011914810782 3.941e-08  
a 2.618888017792081 1.1349e-08 au
q 2.399215378824129 1.0521e-07 au
i 9.164485395195049 4.4844e-06 deg
node 158.9305933650365 2.1983e-05 deg
peri 171.6824414696033 3.1461e-05 deg
M 294.4424977449791 2.2781e-05 deg
tp 2459482.399118357757
(2021-Sep-24.89911836)
9.8094e-05 TDB
period 1548.010206581963
4.24
1.0062e-05
2.755e-08
d
yr
n .2325566061963423 1.5117e-09 deg/d
Q 2.838560656760032 1.2301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1609  
   data-arc span      8611 days (23.58 yr)  
   first obs. used      1996-12-10  
   last obs. used      2020-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:44:33  

Additional Information
 Earth MOID = 1.38712 au 
 Jupiter MOID = 2.48067 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.29   n/a E2021B10  
diameter diameter 4.066 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16861 Lipovetsky           Discovered 1997 Dec. 27 by R. A. Tucker at Goodricke-Pigott Observatory.
Valentin Alexandrovich Lipovetsky (1945-1996) was a senior researcher at the Special Astrophysical Observatory, Zelenchukskaya, and headed a group studying Blue Compact Galaxies. He was an expert on active galactic nuclei and participated in the production of the First Byurakan Survey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1997 YZ11 = 1999 JR12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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