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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2037260906564131 3.006e-07  
a 2.526500215642407 2.4208e-08 AU
q 2.011786203666994 7.6335e-07 AU
i 18.96837843349678 1.0929e-05 deg
node 281.2383791904554 2.3709e-05 deg
peri 178.0927234509972 6.448e-05 deg
M 355.4357375445159 3.8931e-05 deg
tp 2457019.097113642631
(2014-Dec-27.59711364)
0.00015865 JED
period 1466.822071833977
4.02
2.1082e-05
5.772e-08
d
yr
n .2454285403204286 3.5275e-09 deg/d
Q 3.041214227617819 2.914e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7271 days (19.91 yr)  
   first obs. used      1994-12-08  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53183  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:37:42  

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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