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47293 Masamitsu (1999 WO)
Classification: Main-belt Asteroid          SPK-ID: 2047293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2319171143027332 3.5751e-08  
a 2.376171379491802 9.9607e-09 au
q 1.825096570071318 8.3785e-08 au
i 3.291503416879432 4.0874e-06 deg
node 67.28304821727227 7.4597e-05 deg
peri 254.1682900804614 7.52e-05 deg
M 193.2352839903432 1.024e-05 deg
tp 2459220.250285073485
(2021-Jan-05.75028507)
4.0038e-05 TDB
period 1337.873550023227
3.66
8.4124e-06
2.303e-08
d
yr
n .2690837261815588 1.692e-09 deg/d
Q 2.927246188912285 1.2271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:41:32  

Additional Information
 Earth MOID = .814983 au 
 Jupiter MOID = 2.39994 au 
 T_jup = 3.502 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436112  

47293 Masamitsu           Discovered 1999 Nov. 16 by A. Nakamura at Kuma Kogen.
Masamitsu Nakamura (b. 1965) is an amateur astronomer and medical technologist at the Hamamatsu Rosai Hospital. During his 25-year visual search for comets he discovered C/1994 N1 (Nakamura-Nishimura-Machholz).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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