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16700 Seiwa (1995 DZ)
Classification: Main-belt Asteroid          SPK-ID: 2016700
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06762934963747474 2.873e-08  
a 2.272435712760488 7.3819e-09 au
q 2.118752363413525 6.606e-08 au
i 3.82489699008882 3.8079e-06 deg
node 42.00698054767221 5.2617e-05 deg
peri 42.04169881776743 6.2902e-05 deg
M 89.21101629984182 3.3616e-05 deg
tp 2458290.435659838282
(2018-Jun-20.93565984)
0.00011655 TDB
period 1251.226217208968
3.43
6.0968e-06
1.669e-08
d
yr
n .2877177564285933 1.402e-09 deg/d
Q 2.426119062107451 7.8811e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1935  
   data-arc span      14001 days (38.33 yr)  
   first obs. used      1981-01-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:26:40  

Additional Information
 Earth MOID = 1.1363 au 
 Jupiter MOID = 2.69337 au 
 T_jup = 3.606 
[ 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 14.5   n/a MPO337400  
diameter diameter 2.810 km 0.495 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.426   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16700 Seiwa           Discovered 1995 Feb. 22 by T. Kobayashi at Oizumi.
Seiwa village, where the Seiwa-Kogen public observatory is located, is in the center of the island of Kyushu. The village is famous for its Bunraku puppet shows.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1995 DZ = 1981 AD3 = 1988 EH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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