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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5491361300399012 0.0029883  
a 1.94756665757984 0.011724 au
q .8780874402417012 0.0005369 au
i 1.442662574731874 0.0063979 deg
node 60.29215179533483 0.0067007 deg
peri 237.1669049500059 0.018615 deg
M 345.535031461795 0.14742 deg
tp 2459035.388886734239
(2020-Jul-04.88888673)
0.046693 TDB
period 992.7432048260833
2.72
8.9642
0.02454
d
yr
n .3626315428299181 0.0032745 deg/d
Q 3.017045874917979 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .33956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:34:02  

Additional Information
 Earth MOID = .00258907 au 
 Jupiter MOID = 2.23193 au 
 T_jup = 3.694 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 8.930190384166324E-6 -1.596741420129437E-6 -.0001381498002875333 -1.986974099748672E-5 4.695887191892781E-5 1.887123044070041E-5
q -1.596741420129437E-6 2.882648507550338E-7 2.435664918929882E-5 3.511850486228074E-6 -8.920720572542399E-6 -3.427822244943086E-6
tp -.0001381498002875333 2.435664918929882E-5 .002180222343903766 .0003124906413111595 -.0006610058432060862 -.0002852468924113021
node -1.986974099748672E-5 3.511850486228074E-6 .0003124906413111595 4.489872605486178E-5 -9.680339933672172E-5 -4.116112048554488E-5
peri 4.695887191892781E-5 -8.920720572542399E-6 -.0006610058432060862 -9.680339933672172E-5 .0003465119028272657 .000109370127130621
i 1.887123044070041E-5 -3.427822244943086E-6 -.0002852468924113021 -4.116112048554488E-5 .000109370127130621 4.093320679985149E-5

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   .21888 MPO545567 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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