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(2020 KW4)
Classification: Apollo [NEO]          SPK-ID: 54017246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458995.5 (2020-May-26.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .549136129581381 0.0029883  
a 1.947566656818781 0.011724 au
q .878087440791566 0.0005369 au
i 1.44266255193977 0.0063979 deg
node 60.29215299320797 0.0067007 deg
peri 237.1669037220923 0.018615 deg
M 345.5350314714584 0.14742 deg
tp 2459035.388886684210
(2020-Jul-04.88888668)
0.046693 TDB
period 992.7432042441759
2.72
8.9642
0.02454
d
yr
n .3626315430424786 0.0032745 deg/d
Q 3.017045872845997 0.018162 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2020-05-25  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .33956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-26 13:12:04  

Additional Information
 Earth MOID = .00258907 au 
 Jupiter MOID = 2.23193 au 
 T_jup = 3.694 
[ 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 26.355   .21888 1 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
2020-May-28 09:48 00:02 Moon 0.00838156211687756 0.00822356138328166 0.0085395904141096 13.0348491184091 13.0345491380697 2458997.908593132 2.25493121741192 7915.9162536014 38.4925442246289 -5.51270932171867 3147.77686319747 T 1 CATAB v2.0f-lin.ifort 2020-May-26 13:12:05 2020-May-26 13:12
2020-May-28 10:31 00:02 Earth 0.0107224252040253 0.0105636678544236 0.0108811669220213 12.0028126321965 11.9820916022584 2458997.938197298 2.06579278893876 7889.78252655773 49.8701264727287 0.237354064232046 139.583906172664 T 1 CATAB v2.0f-lin.ifort 2020-May-26 13:12:05 2020-May-26 13:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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