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6965 Niyodogawa (1990 VS2)
Classification: Main-belt Asteroid          SPK-ID: 2006965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01133685220600963 3.338e-08  
a 2.480745896992886 1.0416e-08 au
q 2.452622047398012 8.4234e-08 au
i 6.141759828658889 3.8339e-06 deg
node 130.5003084225272 3.4957e-05 deg
peri 105.1460938416477 0.00018335 deg
M 282.9549356137404 0.00018132 deg
tp 2458905.931743412407
(2020-Feb-26.43174341)
0.0007193 TDB
period 1427.157320256277
3.91
8.9883e-06
2.461e-08
d
yr
n .2522496958747017 1.5887e-09 deg/d
Q 2.508869746587759 1.0534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      23655 days (64.76 yr)  
   first obs. used      1954-08-04  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:24:01  

Additional Information
 Earth MOID = 1.44497 au 
 Jupiter MOID = 2.4678 au 
 T_jup = 3.470 
[ show covariance matrix ]

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 13.6   n/a MPO473862  
rotation period rot_per 6.36 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

6965 Niyodogawa           Discovered 1990 Nov. 11 by T. Seki at Geisei.
Named for a river, 100 km in length, that has its source at the center of Shikoku Island.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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