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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953903810750004 3.2157e-08  
a 3.174132818727327 1.413e-08 au
q 2.55393779769353 9.974e-08 au
i 1.23958063352982 3.7099e-06 deg
node 51.28167662353245 0.00017846 deg
peri 81.18279095176068 0.00017881 deg
M 112.5907122535418 1.0075e-05 deg
tp 2458750.494618602227
(2019-Sep-23.99461860)
5.6972e-05 TDB
period 2065.551701809068
5.66
1.3793e-05
3.776e-08
d
yr
n .1742875763819913 1.1638e-09 deg/d
Q 3.794327839761125 1.6891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1914  
   data-arc span      15571 days (42.63 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:29:59  

Additional Information
 Earth MOID = 1.56937 au 
 Jupiter MOID = 1.2573 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456974.5 (2014-Nov-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972309475637868 3.2157e-08  
q 2.547087558834425 1.0004e-07 au
tp 2456684.510261531633
(2014-Jan-27.01026153)
5.5967e-05 TDB
node 51.2832074478899 0.00017839 deg
peri 81.18642915925336 0.00017872 deg
i 1.240238865873998 3.7114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1914  
   data-arc span      15571 days (42.63 yr)  
   first obs. used      1978-10-27  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:29:59  

Additional Information
 Jupiter MOID = 1.2573 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.03405491221628E-15 -3.197380247795867E-15 4.840155083053999E-13 1.049980492730256E-16 1.03261529687216E-13 -2.893667912720617E-16
q -3.197380247795867E-15 1.000850509143063E-14 -1.603314316788035E-12 8.801470869961389E-16 -3.366438623577417E-13 9.180021890485388E-16
tp 4.840155083053999E-13 -1.603314316788035E-12 3.132360321120631E-9 -6.279211846689845E-12 6.346122967600134E-10 -2.757903423651954E-13
node 1.049980492730256E-16 8.801470869961389E-16 -6.279211846689845E-12 3.182218139878633E-8 -3.181553248727914E-8 -1.790335344471211E-10
peri 1.03261529687216E-13 -3.366438623577417E-13 6.346122967600134E-10 -3.181553248727914E-8 3.194226499946598E-8 1.789363535874154E-10
i -2.893667912720617E-16 9.180021890485388E-16 -2.757903423651954E-13 -1.790335344471211E-10 1.789363535874154E-10 1.377455823795148E-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 1.49938475023849 1.49938272849938 1.49938677198398 1.39663969030386 0.905966698758995 2416452.900692610 3.30139942740396 948.760354263396 154.527938767744 25.5128583005799 1081366.92081454 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
1914-Nov-30 05:49 00:02 Jupiter 1.30216164307602 1.30216109565746 1.30216219049648 0.705958935132257 n/a 2420466.742366516 2.28451235605274 112.601301184876 18.9613975868604 -79.8093920049504 10112319.3354413 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
1925-Dec-25 22:36 00:02 Jupiter 1.38016526895867 1.38016449858464 1.38016603933271 0.789226785347328 n/a 2424510.441683078 1.83213707565233 47.8614080180811 37.9049760107295 77.6668649581063 5398637.0153169 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
1936-Dec-09 08:58 00:02 Jupiter 1.69042403436357 1.69042287514338 1.69042519358107 1.63212016907326 1.28905941964168 2428511.873634942 1.65202438474538 105.169960720506 57.3164106740027 12.3479205975891 992799.326984523 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2035-Apr-12 18:20 < 00:01 Jupiter 1.71984948813062 1.71984890097975 1.71985007528119 2.33495085296587 2.11352771336176 2464430.264081015 0.544436461934324 44.6993185829223 5.58187640365187 -88.3392531335162 1873144.45842472 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2046-Feb-27 10:03 < 00:01 Jupiter 1.37905407561392 1.37905355124334 1.37905459998467 0.978211044696456 n/a 2468403.918906783 0.826668609491155 57.366438098992 22.7301664081806 -75.7944466413427 8839672.20616336 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2057-Mar-19 06:50 00:01 Jupiter 1.2872908905613 1.28729046132397 1.28729131979868 0.661886214331169 n/a 2472441.784610669 1.24350989187698 78.1191808976616 21.0213690213146 86.928943445027 9145349.04851806 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2068-Apr-02 07:13 00:02 Jupiter 1.46483592248422 1.46483454214009 1.46483730282835 1.01750850701429 n/a 2476473.800812387 2.01898933817654 68.8438054498887 40.4379311876088 -1.3010786314999 3183608.8082851 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2079-Feb-22 21:00 00:03 Jupiter 1.8457942038405 1.84579212202935 1.84579628564881 2.2517245853242 2.03776276764775 2480452.374664663 2.63353552898739 49.8682505742411 19.9208412050905 74.7114472580907 683980.534595059 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2166-Aug-10 02:42 00:05 Jupiter 1.95527972050339 1.95527624303612 1.95528319796845 3.42814237276377 3.29935825553981 2512396.612407510 4.56816073352416 141.927581530252 31.6338428614841 21.8226688428185 755136.114014636 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2177-Jun-06 07:05 00:05 Jupiter 1.53713692230145 1.53713377284103 1.53714007174037 1.54065973113348 1.12763214428333 2516349.795180852 4.74913106588256 647.753700650787 99.0170862494648 21.7200966757651 703221.070332865 T 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2188-May-21 10:52 00:04 Jupiter 1.28358740952347 1.28358641176992 1.28358840729302 0.702690967795582 n/a 2520351.953086623 4.29001327803056 250.493011913844 19.4808165621557 -79.4366364058138 9687266.5076516 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30
2199-Jun-19 12:01 00:05 Jupiter 1.31777695458611 1.31777487272688 1.31777903644706 0.71725744727686 n/a 2524398.000658036 4.94953644406804 135.300404340122 52.0542369970962 44.0100799071806 2830948.17941356 F 31 CATAB v2.0g-lin.ifort 2021-Jul-08 15:30:13 2021-Jul-08 15:30

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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