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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104919867115877 2.7986e-08  
a 2.144007083811934 6.331e-09 au
q 1.919058145482886 6.1852e-08 au
i 3.301518835533347 4.7121e-06 deg
node .8844054295730327 5.008e-05 deg
peri 268.2461460369615 5.7835e-05 deg
M 280.6789932790045 3.1446e-05 deg
tp 2459253.152422962241
(2021-Feb-07.65242296)
0.00010066 TDB
period 1146.6681529438
3.14
5.079e-06
1.391e-08
d
yr
n .3139530814349251 1.3906e-09 deg/d
Q 2.368956022140981 6.9952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      23669 days (64.80 yr)  
   first obs. used      1955-08-25  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:29:25  

Additional Information
 Earth MOID = .906529 au 
 Jupiter MOID = 2.69878 au 
 T_jup = 3.702 
[ 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 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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