Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
12787 Abetadashi (1995 SR3)
Classification: Main-belt Asteroid          SPK-ID: 2012787
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784477592023707 6.3919e-08  
a 2.256470920201772 1.3103e-08 AU
q 1.853808740786455 1.4327e-07 AU
i 6.249024509835256 6.7995e-06 deg
node 328.7204823744861 4.0355e-05 deg
peri 17.51444079349946 4.2338e-05 deg
M 191.9520296581619 1.4696e-05 deg
tp 2457378.428097184578
(2015-Dec-21.92809718)
5.3275e-05 JED
period 1238.063837148587
3.39
1.0784e-05
2.952e-08
d
yr
n .2907766055336242 2.5328e-09 deg/d
Q 2.65913309961709 1.5442e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      13051 days (35.73 yr)  
   first obs. used      1978-09-05  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49257  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:50:33  

Additional Information
 Earth MOID = .846111 AU 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a PDS3 (MPC 37061)  

12787 Abetadashi           Discovered 1995 Sept. 20 by K. Endate and K. Watanabe at Kitami.
Tadashi Abe (b. 1943), a Japanese amateur astronomer, taught high school from 1966 to 2004. He poured his considerable observational talents into the field of astronomical photometry, producing a number of scientific papers and a thesis based on his discoveries.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 1995 SR3 = 1944 QH = 1978 QM2 = 1997 AU22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-22 15:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin