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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785266898925127 6.3956e-08  
a 2.256432802191316 1.3022e-08 AU
q 1.853599323051213 1.434e-07 AU
i 6.249009379433584 6.7993e-06 deg
node 328.7200908208367 4.0346e-05 deg
peri 17.49451423137126 4.2325e-05 deg
M 250.1404675421589 1.4952e-05 deg
tp 2457378.304632950920
(2015-Dec-21.80463295)
5.3249e-05 JED
period 1238.032465817432
3.39
1.0717e-05
2.934e-08
d
yr
n .2907839737161528 2.5173e-09 deg/d
Q 2.659266281331418 1.5347e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1125  
   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      .49106  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:21:13  

Additional Information
 Earth MOID = .847599 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 ]
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