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(2019 EK)
Classification: Apollo [NEO]          SPK-ID: 3838880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2451509880441469 0.00033653  
a 1.322247781977047 0.00059973 au
q .9980974317861924 8.2942e-06 au
i 18.74850578000254 0.015355 deg
node 161.5952609372758 3.8254e-05 deg
peri 20.7660527475497 0.0044436 deg
M 282.7553316879263 0.18873 deg
tp 2459119.660882118479
(2020-Sep-27.16088212)
0.37221 TDB
period 555.351178276044
1.52
0.37784
0.001034
d
yr
n .6482384733881985 0.00044103 deg/d
Q 1.646398132167902 0.00074676 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      2 days  
   first obs. used      2019-03-02  
   last obs. used      2019-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-18 07:01:27  

Additional Information
 Earth MOID = .0191118 au 
 Jupiter MOID = 3.32245 au 
 T_jup = 4.861 
[ 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 26.4   .54744 MPO467497 autocmod 2.6q

[ 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
1943-Feb-17 05:54 8_16:01 Earth 0.243271514007207 0.0870648397440948 0.401485203660247 14.5422530314602 14.5414998482182 2430772.745739779 12481.2538374765 7916650.37308397 228.110140032777 6.12232991257196 15835.8085105803 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
1946-Mar-03 09:44 1_18:48 Earth 0.0189785565723921 0.018472768597979 0.0351972855482875 10.931971722543 10.9191216375242 2431882.905393051 2568.35805568884 1277636.26731707 53.8734155226349 76.7629350719123 44781.7622830409 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
1949-Mar-23 03:21 1_10:33 Earth 0.260478033790485 0.247299249413395 0.273890050845685 11.9756231169477 11.9747689188088 2432998.639900248 2073.14768323338 768547.015540833 937.431357149966 -30.3447532625998 21255.5574520277 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
2016-Feb-16 21:06 2_02:03 Earth 0.259811078465977 0.220423676546974 0.299269241884888 14.9235267116653 14.9228394957269 2457435.378839299 3002.87334734928 1977449.26812823 226.224466780222 6.15404419480303 17043.8201290616 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
2016-Jul-13 16:39 3_13:54 Earth 0.457534280507751 0.448875480281954 0.467661047916147 8.51465180681029 8.5139678333215 2457583.193661786 5154.0975799576 1375133.18062005 1412.02870514649 70.0608248501281 47579.9542075326 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
2019-Mar-03 15:41 < 00:01 Earth 0.0193320375781932 0.0192795198090658 0.0193845546894833 10.9506845988062 10.9380911915257 2458546.153229036 0.356162349047735 2612.78087402877 83.0968034410909 0.100810456075273 729.939681292694 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
2022-Mar-23 15:39 3_16:39 Earth 0.26079829274722 0.223360905736955 0.30027529043442 11.9329944183264 11.9321382212198 2459662.151809211 5319.22118298109 2236731.2666559 941.352820767075 -30.606814730668 21061.4442653456 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
2089-Feb-16 13:49 8_08:53 Earth 0.257437023801474 0.0980836268347618 0.418595355399161 14.9078219127136 14.9071276285364 2484099.075839121 12053.2787752154 8063406.16378235 227.61818803487 6.0124047118453 16411.6760520147 T 3 CATAB v2.0e-lin.ifort 2019-Mar-18 07:01:47 2019-Mar-18 07:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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