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JPL Small-Body Database Browser
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(2019 BK4)
Classification: Apollo [NEO]          SPK-ID: 3838053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458512.5 (2019-Jan-29.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4031348479999417 0.00073368  
a 1.543775676033514 0.0017358 au
q .9214259035297363 9.6744e-05 au
i 6.235313143713193 0.008981 deg
node 317.0427553412921 0.00084321 deg
peri 221.1023670470277 0.0045213 deg
M 339.1277042093302 0.039206 deg
tp 2458553.120235559240
(2019-Mar-10.62023556)
0.0078273 TDB
period 700.6073959465058
1.92
1.1816
0.003235
d
yr
n .5138398510818567 0.00086664 deg/d
Q 2.166125448537292 0.0024356 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      5 days  
   first obs. used      2019-01-28  
   last obs. used      2019-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .34771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-03 07:04:41  

Additional Information
 Earth MOID = .00250813 au 
 Jupiter MOID = 2.81414 au 
 T_jup = 4.362 
[ 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 27.2   .39913 MPO467425 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
1994-May-19 08:53 4_04:26 Earth 0.176768082030243 0.119565640995835 0.280641253965196 12.4026572058307 12.401441817545 2449491.869850063 6025.66494090157 6164279.21950484 545.471597460113 42.4860940984702 22503.9439587446 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2017-May-23 13:39 4_04:50 Earth 0.220334248828905 0.170864331552676 0.27474993980825 13.9820334362395 13.98116852121 2457897.068869312 6049.65793168973 3071497.00520597 743.33926454885 31.4931488001011 17438.0213813506 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2019-Feb-06 01:29 < 00:01 Earth 0.0106486009287996 0.0105964936452223 0.0107007051817269 9.17918973675414 9.15188979256041 2458520.561924772 0.756241452374373 2582.76928744104 26.9613475739565 -0.0183166000441271 382.872897202657 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2093-Sep-16 04:03 3_09:54 Mars 0.0682588387641069 0.0448000738454916 0.0966867872850113 11.6105062210399 11.6101449751689 2485771.668428119 4914.13070593773 1591367.2090446 1231.85825046182 -32.5911082943039 4474.26467960486 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2095-Jun-03 13:27 9_09:15 Earth 0.353860186489602 0.181772519106825 0.539198609928107 18.3065563370471 18.3061450179468 2486397.060234978 13514.8375968979 9549191.9262445 1069.11805675476 18.0680388606934 12674.3832632422 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2095-Aug-07 19:33 3_22:17 Mars 0.078875664280592 0.0443051011787356 0.243120687237574 13.5045281822807 13.5042594077804 2486462.314351762 5657.48555177062 8666438.44904995 142.008355959893 34.1771701719151 48689.6663796666 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2156-May-28 00:26 8_14:56 Earth 0.241101505929133 0.142234761953159 0.353699654095406 14.7445779343745 14.7438284007382 2508670.518393277 12416.2181295493 6012361.05678832 1031.24337952317 25.5966107149797 11938.4875100597 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
2158-Feb-03 05:44 8_18:27 Earth 0.0480973106981877 0.00255305716467664 0.129159011544989 10.2406184396694 10.2352074073079 2509286.738600788 12627.0095789647 4044182.99396573 104.541934060708 3.08142360877295 3208.29170346587 T 3 CATAB v2.0e-lin.ifort 2019-Feb-03 07:04:44 2019-Feb-03 07:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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