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19228 Uemuraikuo (1993 SN1)
Classification: Main-belt Asteroid          SPK-ID: 2019228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908552407973313 3.7431e-08  
a 2.235917899624672 5.8789e-09 au
q 1.809181250488742 8.1998e-08 au
i 5.77037142137518 3.3849e-06 deg
node 160.7373735293651 3.6978e-05 deg
peri 190.327962172498 3.8269e-05 deg
M 120.0164344314816 1.1447e-05 deg
tp 2458989.381886606789
(2020-May-19.88188661)
3.805e-05 TDB
period 1221.187094216083
3.34
4.8163e-06
1.319e-08
d
yr
n .2947951232903381 1.1627e-09 deg/d
Q 2.662654548760603 7.0009e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1730  
   data-arc span      10556 days (28.90 yr)  
   first obs. used      1992-03-30  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:17  

Additional Information
 Earth MOID = .802686 au 
 Jupiter MOID = 2.7664 au 
 T_jup = 3.608 
[ 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 15.12   n/a MPCxxxxx  

19228 Uemuraikuo           Discovered 1993 Sept. 16 by K. Endate and K. Watanabe at Kitami.
Ikuo Uemura (b. 1940) is a passionate and leading member of his local astronomical club Pleiades. Fascinated with cameras and photography since his youth, he diligently adds new images to his wide-ranging portfolio of astronomical objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 1993 SN1 = 1999 JD73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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