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(2021 GK1)
Classification: Apollo [NEO]          SPK-ID: 54134663
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07479286116834861 5.2702e-06  
a 1.084987700069517 5.3142e-06 au
q 1.003838365648851 8.0174e-07 au
i .3769840728990849 2.0246e-05 deg
node 263.6141730861129 0.00034371 deg
peri 349.6007487211417 0.00067195 deg
M 213.5857251797873 0.00074181 deg
tp 2459368.386806896645
(2021-Jun-02.88680690)
0.00038629 TDB
period 412.7961604632325
1.13
0.0030328
8.303e-06
d
yr
n .8721011348458629 6.4073e-06 deg/d
Q 1.166137034490182 5.7117e-06 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      51 days  
   first obs. used      2021-03-15  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .56151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-06 06:01:03  

Additional Information
 Earth MOID = .00296058 au 
 Jupiter MOID = 3.82194 au 
 T_jup = 5.706 
[ 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 27.05   .28029 E2021J33 autocmod 2.9c

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