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(2020 JG2)
Classification: Apollo [NEO]          SPK-ID: 54017038
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4478516774554259 0.00051108  
a 1.511336865293503 0.0011369 au
q .8344821149715825 0.00014465 au
i 3.916511811296046 0.0035383 deg
node 141.4492625150441 0.021163 deg
peri 173.3402215331588 0.0209 deg
M 334.0894054732052 0.036709 deg
tp 2459049.344449384924
(2020-Jul-18.84444939)
0.014084 TDB
period 678.6413858774426
1.86
0.76579
0.002097
d
yr
n .5304716268291561 0.0005986 deg/d
Q 2.188191615615424 0.0016461 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      17 days  
   first obs. used      2020-05-15  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:34:00  

Additional Information
 Earth MOID = .0554824 au 
 Jupiter MOID = 3.12392 au 
 T_jup = 4.404 
[ 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 23.21   .37932 12 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
2016-Nov-02 18:06 2_22:18 Venus 0.123549537754172 0.0901438550302012 0.160146104020975 4.79711014805802 4.79344480964744 2457695.254315815 4218.30634524757 2008351.11128366 142.880256747279 28.4510482719541 42710.6426114453 T 12 CATAB v2.0f-lin.ifort 2020-Aug-22 06:34:14 2020-Aug-22 06:34
2018-Sep-10 07:14 1_09:08 Venus 0.123155173422469 0.106303939921244 0.141352377655819 5.22842481067295 5.22505127310234 2458371.801516416 1988.48875428013 1084983.69199844 129.639534906319 -36.0472370699508 41538.2792819648 T 12 CATAB v2.0f-lin.ifort 2020-Aug-22 06:34:14 2020-Aug-22 06:34
2018-Oct-25 22:16 2_04:46 Earth 0.251121706083097 0.211399420518927 0.291238740870729 18.8989186304943 18.8983571979298 2458417.427798304 3166.10085607259 2051637.91203709 101.987852342871 13.8310913130231 80754.4408153542 T 12 CATAB v2.0f-lin.ifort 2020-Aug-22 06:34:14 2020-Aug-22 06:34
2020-Jun-02 14:38 < 00:01 Earth 0.0660355229703398 0.0658304980006629 0.0662405471428804 11.2996040054513 11.2960325918406 2459003.109925095 0.252203589456668 10217.3409319014 14.4795496376418 0.0689599687018971 648.911378900483 T 12 CATAB v2.0f-lin.ifort 2020-Aug-22 06:34:14 2020-Aug-22 06:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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