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7504 Kawakita (1997 AF1)
Classification: Main-belt Asteroid          SPK-ID: 2007504
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957242685090385 3.2427e-08  
a 3.174457637018125 1.4316e-08 au
q 2.553139238099821 1.0081e-07 au
i 1.239595981485459 3.722e-06 deg
node 51.28289848885471 0.00017996 deg
peri 81.19723503763954 0.00018031 deg
M 43.52397781972909 9.9992e-06 deg
tp 2458750.736592887870
(2019-Sep-24.23659289)
5.7125e-05 TDB
period 2065.868770836685
5.66
1.3975e-05
3.826e-08
d
yr
n .1742608267679067 1.1788e-09 deg/d
Q 3.795776035936429 1.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1879  
   data-arc span      15234 days (41.71 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:27:40  

Additional Information
 Earth MOID = 1.56797 au 
 Jupiter MOID = 1.25657 au 
 T_jup = 3.171 
[ 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 13.5   n/a MPO296197  
diameter diameter 10.304 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7504 Kawakita           Discovered 1997 Jan. 2 by T. Kobayashi at Oizumi.
Hideyo Kawakita (b. 1970) is on the staff at the Gunma Astronomical Observatory. His scientific interests include comets, planets, and formation of our solar system.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1997 AF1 = 1978 UR7 = 1981 JX5 = 1995 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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