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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039232160366702 3.1094e-08  
a 2.670339355967615 9.9409e-09 au
q 2.39282910218617 8.464e-08 au
i 1.963999874548469 3.7274e-06 deg
node 278.6514564268595 0.00011798 deg
peri 130.092160854456 0.00011998 deg
M 74.24817555119684 2.1294e-05 deg
tp 2459067.776011741380
(2020-Aug-06.27601174)
9.41e-05 TDB
period 1593.852440071111
4.36
8.9002e-06
2.437e-08
d
yr
n .2258678350324188 1.2613e-09 deg/d
Q 2.94784960974906 1.0974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      16263 days (44.53 yr)  
   first obs. used      1976-10-24  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:48:19  

Additional Information
 Earth MOID = 1.40299 au 
 Jupiter MOID = 2.37896 au 
 T_jup = 3.373 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456870.5 (2014-Aug-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041797453228546 3.124e-08  
q 2.391954409343008 8.5026e-08 au
tp 2457466.418003762792
(2016-Mar-18.91800376)
9.3017e-05 TDB
node 278.8848661217139 0.00011839 deg
peri 128.3085318187843 0.00012035 deg
i 1.959398952729674 3.7236e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      16263 days (44.53 yr)  
   first obs. used      1976-10-24  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:48:19  

Additional Information
 Jupiter MOID = 2.37896 au 
 T_jup = 3.373 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.759124374898409E-16 -2.641860373886609E-15 -4.109640951427379E-13 1.542783487891862E-15 -7.979682377525955E-14 -2.626243253672656E-16
q -2.641860373886609E-15 7.229483225875005E-15 1.129748680283184E-12 -2.211745825983488E-15 2.111440975568335E-13 7.890665531987739E-16
tp -4.109640951427379E-13 1.129748680283184E-12 8.652120969307625E-9 -1.454644039048938E-12 2.028475652950296E-9 1.174204243370255E-12
node 1.542783487891862E-15 -2.211745825983488E-15 -1.454644039048938E-12 1.401551423940578E-8 -1.400751194245364E-8 8.365530072689069E-11
peri -7.979682377525955E-14 2.111440975568335E-13 2.028475652950296E-9 -1.400751194245364E-8 1.4483003594123E-8 -8.335563444233625E-11
i -2.626243253672656E-16 7.890665531987739E-16 1.174204243370255E-12 8.365530072689069E-11 -8.335563444233625E-11 1.386541544395322E-11

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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