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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785087545219302 6.095e-08  
a 2.256593239538214 1.2393e-08 au
q 1.85377159088564 1.3753e-07 au
i 6.248776473890206 6.6182e-06 deg
node 328.7159410526265 3.9791e-05 deg
peri 17.39844630722938 4.1744e-05 deg
M 64.67213350252966 1.5336e-05 deg
tp 2457378.070165592485
(2015-Dec-21.57016559)
5.1694e-05 JED
period 1238.164508421129
3.39
1.02e-05
2.793e-08
d
yr
n .2907529633998809 2.3952e-09 deg/d
Q 2.659414888190788 1.4606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      13606 days (37.25 yr)  
   first obs. used      1978-09-05  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48566  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:51:44  

Additional Information
 Earth MOID = .846462 au 
 Jupiter MOID = 2.7365 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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