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(2020 KJ4)
Classification: Aten [NEO]          SPK-ID: 54017225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362204698658397 2.5296e-05  
a .9763495064187011 5.7843e-05 au
q .843350717901065 2.5283e-05 au
i 2.91754673569731 0.00031312 deg
node 67.73061565490801 0.00017154 deg
peri 293.1917796841146 0.027325 deg
M 263.9080787434706 0.032181 deg
tp 2459094.556923513023
(2020-Sep-02.05692351)
0.023141 TDB
period 352.37605848564
0.96
0.031314
8.573e-05
d
yr
n 1.021635810182804 9.0789e-05 deg/d
Q 1.109348294936337 6.5722e-05 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      7 days  
   first obs. used      2020-05-21  
   last obs. used      2020-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .4279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-28 06:49:49  

Additional Information
 Earth MOID = .000308843 au 
 Jupiter MOID = 4.10681 au 
 T_jup = 6.187 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 29.894   .38121 4 autocmod 2.8

[ 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
2006-May-28 12:32 17:48 Earth 0.00543913098634859 0.000432822370708316 0.0121967188821126 4.55422001908788 4.4453543706931 2453884.021911928 1067.69008962556 337521.481826143 2.4782494882899 -5.75883706443547 22844.8656325859 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2006-May-28 21:00 1_04:03 Moon 0.00668999585745768 0.000500150077284703 0.012933255823397 5.05589759423977 5.05492856635477 2453884.374743271 1683.06811471327 311427.590759434 2.25334673363045 2.01398973944875 14959.7091488042 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2007-Feb-07 04:44 1_08:26 Earth 0.20260022698265 0.202042565568399 0.203160299772921 4.6701039079317 4.66728697254647 2454138.697131811 1945.6292858335 44634.2835622486 74.4027429399875 51.4166128149911 168975.518269297 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2007-Nov-10 21:51 08:47 Earth 0.0896832935896645 0.0819696859431298 0.0974211636370479 6.89032089416936 6.8860077168819 2454415.410648450 527.379843334838 392215.468313001 21.5339223803478 10.9178133044429 112394.425002996 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2019-May-06 00:56 00:41 Earth 0.474855049461663 0.474251526311428 0.475458574127061 18.1973007804958 18.1969924276206 2458609.538709769 40.5706251263168 30125.0066569132 7.53844755414399 -2.58579133212081 307419.040621253 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2020-May-28 13:21 < 00:01 Earth 0.000958959533959183 0.000957889409281693 0.000960029286495189 4.91770028945611 4.31587241615983 2458998.056026376 0.050509417546176 42.4026313506036 0.6138665393877 -1.99945059759039 1703.05970242784 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2020-May-28 19:37 < 00:01 Moon 0.00328177005154962 0.00328045404508338 0.00328308607564698 5.76760308726585 5.7658713561445 2458998.317255672 0.708064486277496 66.7119994927434 0.5511309391154 10.6470123767505 125478.007411629 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2021-May-21 15:23 01:04 Earth 0.228162232430509 0.226628437138645 0.22969602573085 10.9222939523695 10.9212247104007 2459356.140785660 63.7843953549324 76476.7323780676 3.09633460021405 -0.310984331682355 45363.1887940603 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2022-May-12 15:49 02:32 Earth 0.453634150567017 0.450649951426959 0.456618356161726 17.6639835097358 17.6636509864585 2459712.159081220 151.746690166111 148834.568850842 6.89674287621826 -1.12371331666059 166998.66762809 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2034-Feb-15 12:42 3_20:06 Venus 0.120872322350866 0.11783870635454 0.12449880648332 0.483937340676594 0.445268593633848 2464009.029233398 5525.53180579186 513274.61146064 60.5451408249564 -84.2543438347985 15238.7657866036 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2042-Jan-20 04:05 1_09:49 Earth 0.460973141380162 0.426324237242834 0.495622931832328 18.2164521985634 18.2161348937072 2466904.669923435 2028.61694176582 1728116.8356893 11.9496755161138 -1.13592233002577 96353.7463970413 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2043-Jan-10 03:35 1_11:38 Earth 0.229119282469692 0.192257383722317 0.266031952593011 11.0974971176222 11.0964491540622 2467259.649647617 2138.14737938168 1847266.93145862 6.93495934386314 -5.28897192610753 284305.763043164 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2043-Dec-31 07:02 1_10:31 Earth 0.0278967896447298 0.0269411441955258 0.0525518688726865 4.0973280364662 4.07395053417229 2467614.793316183 2071.21918575318 1891880.06127228 19.145285699099 74.8737570895924 106684.863413739 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2046-May-28 03:49 4_20:06 Earth 0.0389856333342524 0.000922247419403361 0.154417326175102 5.42748875614061 5.41488170494613 2468493.658846383 6965.53425335301 5755236.77803613 7.44816568805347 1.53021718642301 17040.6390284827 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
2047-May-19 20:36 6_05:42 Earth 0.282047483066131 0.197511849417343 0.366665475981869 12.5591420910768 12.558389874049 2468850.358184442 8981.60121879981 4224346.86793 6.17431852239756 -3.19460941355498 378897.069641821 T 4 CATAB v2.0f-lin.ifort 2020-May-28 06:49:51 2020-May-28 06:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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