Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
43794 Yabetakemoto (1990 YP)
Classification: Main-belt Asteroid          SPK-ID: 2043794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2654122127589758 4.8032e-08  
a 2.758759243546746 1.6219e-08 au
q 2.026550848247726 1.3435e-07 au
i 13.35406875889794 5.3942e-06 deg
node 302.7403202954574 2.2993e-05 deg
peri 176.2007984893719 2.5058e-05 deg
M 200.2089645331346 1.237e-05 deg
tp 2459943.380637718213
(2022-Dec-29.88063772)
6.0771e-05 TDB
period 1673.667291767521
4.58
1.476e-05
4.041e-08
d
yr
n .2150965139671293 1.8969e-09 deg/d
Q 3.490967638845766 2.0524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      10771 days (29.49 yr)  
   first obs. used      1990-12-19  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:27  

Additional Information
 Earth MOID = 1.04268 au 
 Jupiter MOID = 1.61786 au 
 T_jup = 3.252 
[ 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 14.43   n/a E2021B10  
diameter diameter 3.625 km 0.660 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43794 Yabetakemoto           Discovered 1990 Dec. 19 by T. Seki at Geisei.
Akihiko Yabe (b. 1939) and Akikazu Takemoto (b. 1941) are Japan's leading Masters Games swimmers. They are close friends and both set many Japanese records at Masters Games swimming competitions. As members of Kochi Western Club, they still compete and nurture younger athletes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110615/MPCPages.arcLast Updated: 2013-03-28

[ show close-approach data ]
Alternate Designations
 1990 YP = 1998 QN95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 18:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin