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9783 Tensho-kan (1994 YD1)
Classification: Main-belt Asteroid          SPK-ID: 2009783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037868121871041 3.1144e-08  
a 2.670002732859322 9.9063e-09 au
q 2.392891660684997 8.4751e-08 au
i 1.964250927354058 3.7277e-06 deg
node 278.6532453245018 0.00011807 deg
peri 130.066656145713 0.00012008 deg
M 30.00799701872317 2.1305e-05 deg
tp 2459067.668678626102
(2020-Aug-06.16867863)
9.4239e-05 TDB
period 1593.551067895899
4.36
8.8686e-06
2.428e-08
d
yr
n .2259105511286429 1.2573e-09 deg/d
Q 2.947113805033648 1.0934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1878  
   data-arc span      16216 days (44.40 yr)  
   first obs. used      1976-10-24  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:24:04  

Additional Information
 Earth MOID = 1.40268 au 
 Jupiter MOID = 2.37905 au 
 T_jup = 3.373 
[ 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 14.02   n/a MPCxxxxx  
diameter diameter 5.332 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.0111 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Scheirich, P.; Kusnirak, P.; Galad, A. (2015) http://www.asu.cas.cz/~ppravec/hawaii_b58.ppt]
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
geometric albedo albedo 0.188   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9783 Tensho-kan           Discovered 1994 Dec. 28 by T. Kobayashi at Oizumi.
Tensho-kan was the first planetarium in Japan, located at the science center in Osaka. Over 10 million people visited the planetarium before it was closed in 1989.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1994 YD1 = 1976 UU19 = 1982 BP10 = 1991 CC2 = 1993 PZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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