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7263 Takayamada (1995 DP)
Classification: Main-belt Asteroid          SPK-ID: 2007263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049198689766759 2.8134e-08  
a 2.144007084122719 6.3586e-09 au
q 1.919058141771498 6.2111e-08 au
i 3.301518723242534 4.7159e-06 deg
node .8844029402093282 5.0886e-05 deg
peri 268.2461478928715 5.8514e-05 deg
M 280.6789935916387 3.1459e-05 deg
tp 2459253.152422021377
(2021-Feb-07.65242202)
0.00010071 TDB
period 1146.668153193124
3.14
5.1011e-06
1.397e-08
d
yr
n .3139530813666612 1.3967e-09 deg/d
Q 2.36895602647394 7.0257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      23624 days (64.68 yr)  
   first obs. used      1955-08-25  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:44:19  

Additional Information
 Earth MOID = .906529 au 
 Jupiter MOID = 2.69878 au 
 T_jup = 3.702 
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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 14.5   n/a MPO350861  
diameter diameter 3.450 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7263 Takayamada           Discovered 1995 Feb. 21 by T. Kobayashi at Oizumi.
Takashi Yamada (b. 1934) is a science educator and the former planetarium director of the Nogoya City Science Museum. He is advisor to several museums and a public observatory. His main work is teaching and popularizing astronomy, and he has published many books on astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1995 DP = 1955 QG1 = 1993 UA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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