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19314 Nakamuratetsu (1996 VT8)
Classification: Main-belt Asteroid          SPK-ID: 2019314
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904182091877303 3.8947e-08  
a 2.688055900964233 1.2135e-08 au
q 2.176201110106113 1.0747e-07 au
i 13.46725481741783 4.1715e-06 deg
node 62.39983292331284 1.6033e-05 deg
peri 282.7233130059205 1.9948e-05 deg
M 254.6283516071811 1.4163e-05 deg
tp 2459867.669472410690
(2022-Oct-15.16947241)
6.3994e-05 TDB
period 1609.740500931634
4.41
1.09e-05
2.984e-08
d
yr
n .2236385304287559 1.5143e-09 deg/d
Q 3.199910691822353 1.4445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1852  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1996-11-07  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:47:12  

Additional Information
 Earth MOID = 1.21642 au 
 Jupiter MOID = 2.38796 au 
 T_jup = 3.308 
[ 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 13.71   n/a E2021B10  
rotation period rot_per 25.0793 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

19314 Nakamuratetsu           Discovered 1996 Nov. 7 by K. Endate and K. Watanabe at Kitami.
Tetsu Nakamura (1946-2019) was a Japanese medical doctor who worked for the Afghan people and who was gunned down on his way to his project site in Afghanistan. He started providing medical services for leprosy patients in 1984, and later for Afghan refugees in Peshawar, Pakistan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2020-08-07Last Updated: 2020-08-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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