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21016 Miyazawaseiroku (1988 VA)
Classification: Main-belt Asteroid          SPK-ID: 2021016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983109249424263 2.9878e-08  
a 2.429974546541458 8.5963e-09 au
q 1.948084046630269 7.292e-08 au
i 11.8622016071709 3.5548e-06 deg
node 218.8791114250705 1.8e-05 deg
peri 182.8623388585783 2.1292e-05 deg
M 219.5238883825088 1.3783e-05 deg
tp 2459936.384663032593
(2022-Dec-22.88466303)
5.5032e-05 TDB
period 1383.56960805522
3.79
7.3418e-06
2.01e-08
d
yr
n .2601965220282808 1.3807e-09 deg/d
Q 2.911865046452648 1.0301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1483  
   data-arc span      11909 days (32.61 yr)  
   first obs. used      1988-11-03  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:04:24  

Additional Information
 Earth MOID = .95595 au 
 Jupiter MOID = 2.50358 au 
 T_jup = 3.452 
[ 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 14.71   n/a MPO614063  

21016 Miyazawaseiroku           Discovered 1988 Nov. 2 by T. Seki at Geisei.
Brother of the author of Night On The Milky Way Train and The Twin Stars, Iwate-born Seiroku Miyazawa (1904-2001) devoted his long life to publishing the famous and fantastic stories, which appealed to Japanese of all ages.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020624/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1988 VA = 1999 NZ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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