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JPL Small-Body Database Browser
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(2019 VK4)
Classification: Apollo [NEO]          SPK-ID: 3892744
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 .5630054659639837 0.00060846  
a 1.810782252143204 0.0021964 au
q .7913019465160077 0.00014197 au
i 5.851316316637858 0.0061119 deg
node 32.23152134272812 5.1706e-05 deg
peri 79.1673954895253 0.00061044 deg
M 64.44330360026257 0.11172 deg
tp 2458841.178984539383
(2019-Dec-23.67898454)
0.013668 TDB
period 890.0159110649408
2.44
1.6193
0.004433
d
yr
n .4044871507625578 0.00073593 deg/d
Q 2.830262557770401 0.003433 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      11 days  
   first obs. used      2019-10-27  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .83317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-22 04:56:17  

Additional Information
 Earth MOID = .0262549 au 
 Jupiter MOID = 2.34367 au 
 T_jup = 3.844 
[ 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 26.7   .40206 E2019X90 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
2019-Nov-10 11:54 < 00:01 Earth 0.0277571566735833 0.0276717771806991 0.0278425356320957 13.6702162510749 13.6631924277191 2458797.996044297 0.138491286115509 4253.18082177237 7.44360693582789 0.141244232808027 698.251768356202 T 3 CATAB v2.0f-lin.ifort 2019-Nov-22 04:56:20 2019-Nov-22 04:56
2027-Aug-03 21:47 9_18:49 Mars 0.0991273280646656 0.0363873952936787 0.286251241150088 17.7217457212728 17.7215827510412 2461621.407387880 14089.4342056751 9560408.07261701 47.8827269370617 21.5364579672075 112454.637196293 T 3 CATAB v2.0f-lin.ifort 2019-Nov-22 04:56:20 2019-Nov-22 04:56
2080-Oct-29 14:43 8_22:55 Earth 0.162195607009782 0.0300074663643651 0.307385029103623 18.6677577636428 18.6668777460604 2481067.113430889 12895.3632390849 7292281.18877976 37.4810288313665 -9.47129466573752 99387.7604024094 T 3 CATAB v2.0f-lin.ifort 2019-Nov-22 04:56:20 2019-Nov-22 04:56
2158-Oct-30 01:31 9_15:37 Earth 0.196044852134835 0.0388852134456211 0.365765542726947 19.5996974820943 19.5990040319726 2509555.563455957 13897.437725157 8523219.91272104 37.7209430017044 -9.30633708737607 116707.252393715 T 3 CATAB v2.0f-lin.ifort 2019-Nov-22 04:56:20 2019-Nov-22 04:56
2159-Apr-02 05:05 7_08:29 Mars 0.0820011632344393 0.0413154425598376 0.197578037614519 17.3436157125529 17.343414410107 2509709.711576547 10588.9449313036 6102507.72654032 65.0724265368696 30.2556987925551 94159.8481589949 T 3 CATAB v2.0f-lin.ifort 2019-Nov-22 04:56:20 2019-Nov-22 04:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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