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6922 Yasushi (1993 KY1)
Classification: Main-belt Asteroid          SPK-ID: 2006922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173658032742291 3.9017e-08  
a 2.299508965288816 7.3367e-09 au
q 2.029625248441402 8.9617e-08 au
i 4.769171130592073 4.4042e-06 deg
node 132.1588565881491 5.2704e-05 deg
peri 97.28506043216095 5.7406e-05 deg
M 170.8380609027145 2.3628e-05 deg
tp 2457996.087802532200
(2017-Aug-30.58780253)
8.3263e-05 TDB
period 1273.652896425205
3.49
6.0955e-06
1.669e-08
d
yr
n .2826515772157559 1.3527e-09 deg/d
Q 2.569392682136229 8.1977e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      17398 days (47.63 yr)  
   first obs. used      1972-04-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:18:26  

Additional Information
 Earth MOID = 1.02597 au 
 Jupiter MOID = 2.42314 au 
 T_jup = 3.579 
[ 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 13.8   n/a MPO358698  
diameter diameter 4.472 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6922 Yasushi           Discovered 1993 May 27 by S. Otomo at Kiyosato.
Yasushi Sato (b. 1957) is a member of the Matsue Astronomy Club who popularizes astronomy in Shimane. The name was suggested by H. Abe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1993 KY1 = 1972 HQ1 = 1990 SR16 = 1991 XU5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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