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 ]  
43931 Yoshimi (1996 PR9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2043931
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07973152746182006 3.8461e-08  
a 3.226127975750839 2.0958e-08 au
q 2.968903864456915 1.3224e-07 au
i 21.53945354393764 3.7108e-06 deg
node 165.7495910611623 1.0339e-05 deg
peri 265.3256869694956 2.4992e-05 deg
M 347.1232580777195 2.2233e-05 deg
tp 2459276.204954803440
(2021-Mar-02.70495480)
0.00013063 TDB
period 2116.512382847523
5.79
2.0624e-05
5.647e-08
d
yr
n .1700911380993961 1.6574e-09 deg/d
Q 3.483352087044763 2.2629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1760  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1990-08-17  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:33:31  

Additional Information
 Earth MOID = 2.07377 au 
 Jupiter MOID = 1.79252 au 
 T_jup = 3.073 
[ 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 13.1   n/a MPO502450  
diameter diameter 14.492 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43931 Yoshimi           Discovered 1996 Aug. 9 by T. Okuni at Nanyo.
Yoshimi Takahashi (1925-2005) was an amateur astronomer who contributed much to the establishment of Nanyo Astronomical Lovers Club in 1983 and the Nanyo Citizen's Astronomical Observatory in 1987.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1996 PR9 = 1999 CK77 = 2000 HS31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-25 17:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin