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9216 Masuzawa (1995 VS)
Classification: Main-belt Asteroid          SPK-ID: 2009216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624047558732982 3.6412e-08  
a 2.252708833341212 6.692e-09 au
q 1.88685820520881 8.1142e-08 au
i 2.18149782706429 3.5056e-06 deg
node 218.282790018728 9.6634e-05 deg
peri 153.5810057576529 9.7219e-05 deg
M 121.6791967223064 1.1046e-05 deg
tp 2458583.083268465414
(2019-Apr-09.58326847)
3.7356e-05 TDB
period 1234.968896905147
3.38
5.503e-06
1.507e-08
d
yr
n .2915053171801866 1.2989e-09 deg/d
Q 2.618559461473613 7.7788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2060  
   data-arc span      15104 days (41.35 yr)  
   first obs. used      1978-09-28  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:14:22  

Additional Information
 Earth MOID = .887262 au 
 Jupiter MOID = 2.84839 au 
 T_jup = 3.607 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO347598  
diameter diameter 4.106 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9216 Masuzawa           Discovered 1995 Nov. 1 by S. Otomo at Kiyosato.
Hitoshi Masuzawa (b. 1945) is a lecturer and curator of the Gotoh Planetarium and Astronomical Museum in Tokyo, where he worked for 32 years until 1998. He conducted historical research on Chinese constellations. The name was suggested by O. Muramatsu.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1995 VS = 1978 SZ5 = 1980 FX7 = 1981 NL = 1988 SO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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