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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955872454684758 3.2292e-08  
a 3.173968994162398 1.4236e-08 au
q 2.553181141391825 1.0035e-07 au
i 1.239634064160551 3.7191e-06 deg
node 51.28246055540697 0.0001793 deg
peri 81.17250415520959 0.00017965 deg
M 78.41718834814745 1.0047e-05 deg
tp 2458750.604952360699
(2019-Sep-24.10495236)
5.7145e-05 TDB
period 2065.391791798088
5.65
1.3895e-05
3.804e-08
d
yr
n .1743010703487843 1.1727e-09 deg/d
Q 3.79475684693297 1.702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1895  
   data-arc span      15234 days (41.71 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:46:57  

Additional Information
 Earth MOID = 1.56793 au 
 Jupiter MOID = 1.25713 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456964.5 (2014-Nov-03.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972368711385282 3.2268e-08  
q 2.547075936024295 1.0045e-07 au
tp 2456684.509897698318
(2014-Jan-27.00989770)
5.6297e-05 TDB
node 51.283256567403 0.00017923 deg
peri 81.18587210795971 0.00017957 deg
i 1.24023695379075 3.7204e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1895  
   data-arc span      15234 days (41.71 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:46:57  

Additional Information
 Jupiter MOID = 1.25713 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.04119961001076E-15 -3.221594585071564E-15 5.003271433216413E-13 1.899530267781429E-16 1.068938754812942E-13 -2.936521606922761E-16
q -3.221594585071564E-15 1.009046050639442E-14 -1.658198172694168E-12 6.174646670964078E-16 -3.489030667128307E-13 9.318074777058319E-16
tp 5.003271433216413E-13 -1.658198172694168E-12 3.169386450426552E-9 -6.43938403402944E-12 6.432185389278793E-10 -2.802688950947525E-13
node 1.899530267781429E-16 6.174646670964078E-16 -6.43938403402944E-12 3.212457508526193E-8 -3.211788492596635E-8 -1.835320767494045E-10
peri 1.068938754812942E-13 -3.489030667128307E-13 6.432185389278793E-10 -3.211788492596635E-8 3.224650239085057E-8 1.83432715487383E-10
i -2.936521606922761E-16 9.318074777058319E-16 -2.802688950947525E-13 -1.835320767494045E-10 1.83432715487383E-10 1.384148655939137E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Dec-04 09:37 00:03 Jupiter 1.49938475221197 1.49938273032584 1.49938677410449 1.39663976963161 0.905966821871491 2416452.900700227 3.30358812553559 948.761659366188 155.363000047611 25.5120475028991 1076088.52710103 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
1914-Nov-30 05:49 00:02 Jupiter 1.30216164479355 1.30216109640181 1.30216219318717 0.705958936276658 n/a 2420466.742363938 2.28657736920738 112.639217045307 19.0751151531031 -79.8335234159715 10052824.2758938 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
1925-Dec-25 22:36 00:02 Jupiter 1.38016527029967 1.3801644979479 1.38016604265144 0.789226788770642 n/a 2424510.441682646 1.83456272502847 47.8772811496324 38.0059426620443 77.6340682499885 5384418.61199355 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
1936-Dec-09 08:58 00:02 Jupiter 1.6904240350502 1.69042287522426 1.69042519487345 1.63212016059877 1.28905940906974 2428511.873634915 1.65409377733803 105.313016152936 57.5977493161662 12.3922007867735 991746.638377007 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2035-Apr-12 18:20 < 00:01 Jupiter 1.71984949090764 1.71984890036189 1.7198500814531 2.33495093469333 2.11352780402763 2464430.264087216 0.545266151041097 44.7296253645613 5.58423676265539 -88.342906990881 1860201.40196017 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2046-Feb-27 10:03 < 00:01 Jupiter 1.37905407873075 1.37905354973278 1.37905460772889 0.978211121711576 n/a 2468403.918918179 0.827445957643766 57.4232051814532 22.9252918737847 -75.6493207362772 8760398.7272051 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2057-Mar-19 06:50 00:01 Jupiter 1.28729089137662 1.28729046105264 1.28729132170066 0.661886216805376 n/a 2472441.784627220 1.2438830256487 78.3065793836161 21.0902213468077 86.9910256418086 9115980.87553722 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2068-Apr-02 07:13 00:02 Jupiter 1.46483591841498 1.46483453746406 1.46483729936589 1.01750840842464 n/a 2476473.800829912 2.01970703852141 68.8739277796236 40.4762567847328 -1.29352546442204 3182196.04685236 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2079-Feb-22 21:00 00:03 Jupiter 1.84579419538403 1.84579211093066 1.84579627983447 2.25172463533951 2.03776282188286 2480452.374664303 2.63501195089922 50.0975829268146 19.9887196223959 74.8038009960625 682858.769313735 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2166-Aug-10 02:42 00:05 Jupiter 1.95527973604165 1.95527625428205 1.95528321779903 3.42814243087088 3.29935831695842 2512396.612419372 4.57190516776492 142.082964208903 31.7466169530575 21.8139685852697 752492.905449823 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2177-Jun-06 07:05 00:05 Jupiter 1.53713693710353 1.53713378234066 1.53714009184482 1.54065977003391 1.12763220213788 2516349.795192390 4.75322488942113 649.159840897997 99.2756112376698 21.731969410621 701805.218468561 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2188-May-21 10:52 00:04 Jupiter 1.28358741524396 1.28358641352902 1.28358841697489 0.702690979588048 n/a 2520351.953095810 4.29307211272975 250.746316866535 19.6375835065754 -79.4124894025424 9609195.7028268 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47
2199-Jun-19 12:01 00:05 Jupiter 1.31777694795174 1.31777486537159 1.3177790305336 0.717257452468057 n/a 2524398.000666559 4.95247368875781 135.435497282777 52.1753259111884 44.0744750973111 2827306.23236606 F 30 CATAB v2.0f-lin.ifort 2021-Apr-12 19:47:04 2021-Apr-12 19:47

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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