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92389 Gretskij (2000 JZ3)
Classification: Main-belt Asteroid          SPK-ID: 2092389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447084210558134 4.6347e-08  
a 2.22280355906676 1.0632e-08 au
q 1.901145165716966 1.0707e-07 au
i 8.666630923472086 4.6669e-06 deg
node 82.64778626530348 3.0484e-05 deg
peri 216.9294750301123 3.6115e-05 deg
M 9.053402985700897 2.0109e-05 deg
tp 2459170.058965767316
(2020-Nov-16.55896577)
6.7623e-05 TDB
period 1210.458911535766
3.31
8.6851e-06
2.378e-08
d
yr
n .297407864545564 2.1339e-09 deg/d
Q 2.544461952416553 1.2171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7417 days (20.31 yr)  
   first obs. used      2000-03-25  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:51:02  

Additional Information
 Earth MOID = .890947 au 
 Jupiter MOID = 2.64332 au 
 T_jup = 3.620 
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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 16.88   n/a E2021B10  
diameter diameter 1.305 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

92389 Gretskij           Discovered 2000 May 3 by P. Pravec and P. Kušnirák at Ondřejov.
Andrej M. Gretskij (b. 1945) is an associate professor at Kharkiv Karazin National University. He has been a pioneer in the study of the brightness-phase curve of Saturn's rings and is author of many astronomical textbooks. His lectures have had a big impact among students of astronomy in Ukraine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

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