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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955872462872753 3.2424e-08  
a 3.173968984881399 1.4261e-08 au
q 2.553181131327228 1.0071e-07 au
i 1.239634091488461 3.7222e-06 deg
node 51.28246084837767 0.00017996 deg
peri 81.17250511669748 0.0001803 deg
M 78.41718782886353 1.0056e-05 deg
tp 2458750.604957313241
(2019-Sep-24.10495731)
5.7187e-05 TDB
period 2065.391782738973
5.65
1.392e-05
3.811e-08
d
yr
n .1743010711132946 1.1747e-09 deg/d
Q 3.794756838435569 1.705e-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 = 1.56793 au 
 Jupiter MOID = 1.25713 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972397736132887 3.2398e-08  
q 2.547070236742055 1.0082e-07 au
tp 2456684.509594754545
(2014-Jan-27.00959475)
5.6313e-05 TDB
node 51.28329351912014 0.00017989 deg
peri 81.18555947698081 0.00018023 deg
i 1.24023548318756 3.7235e-06 deg
  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
 Jupiter MOID = 1.25713 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.049640307661674E-15 -3.246551941605214E-15 5.042758924653888E-13 2.615546939873282E-16 1.072891350065222E-13 -2.968520795293825E-16
q -3.246551941605214E-15 1.016427129164625E-14 -1.669831951870371E-12 4.127878566080078E-16 -3.500799848741146E-13 9.410547283546629E-16
tp 5.042758924653888E-13 -1.669831951870371E-12 3.171191956363976E-9 -6.273445221316091E-12 6.432619923950937E-10 -2.833847812486298E-13
node 2.615546939873282E-16 4.127878566080078E-16 -6.273445221316091E-12 3.236137222709942E-8 -3.235459226739009E-8 -1.858313796140923E-10
peri 1.072891350065222E-13 -3.500799848741146E-13 6.432619923950937E-10 -3.235459226739009E-8 3.248314336457095E-8 1.857309376483584E-10
i -2.968520795293825E-16 9.410547283546629E-16 -2.833847812486298E-13 -1.858313796140923E-10 1.857309376483584E-10 1.386466839098544E-11

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 13.59   n/a E2021B10  
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

[ show close-approach data ]
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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