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52455 Masamika (1995 AD1)
Classification: Main-belt Asteroid          SPK-ID: 2052455
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203726080579501 2.9899e-07  
a 2.526500208465764 2.062e-08 AU
q 2.011786223411742 7.5979e-07 AU
i 18.96837839385892 1.0718e-05 deg
node 281.2383798254992 2.2452e-05 deg
peri 178.0927196021156 6.3443e-05 deg
M 355.4357437667043 3.7215e-05 deg
tp 2457019.097088211050
(2014-Dec-27.59708821)
0.00015162 JED
period 1466.822065584112
4.02
1.7957e-05
4.916e-08
d
yr
n .2454285413661556 3.0046e-09 deg/d
Q 3.041214193519786 2.4821e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      1994-12-08  
   last obs. used      2014-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52416  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:28:46  

Additional Information
 Earth MOID = 1.02855 AU 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO267880  

52455 Masamika           Discovered 1995 Jan. 6 by T. Seki at Geisei.
Masa-aki Takanashi (1959-2001) was an active member of the Gotemba Astronomical Circle and the Nippon Meteor Society. With his wife Mika he was devoted to the popularization of astronomy and meteor observations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07

Alternate Designations
 1995 AD1 = 1998 XZ23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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