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JPL Small-Body Database Browser
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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07939609789838137 1.9142e-07  
a 1.092226550072591 2.1975e-07 au
q 1.005508023975816 9.8301e-09 au
i 1.281024921372295 1.3982e-06 deg
node 237.441239308596 3.9776e-05 deg
peri .9247774338994598 6.3924e-05 deg
M 37.1234184428655 3.7438e-05 deg
tp 2459353.505492292518
(2021-May-19.00549229)
3.1365e-05 TDB
period 416.9342001333951
1.14
0.00012583
3.445e-07
d
yr
n .8634455985736373 2.6059e-07 deg/d
Q 1.178945076169366 2.372e-07 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      177 days  
   first obs. used      2021-03-15  
   last obs. used      2021-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .48278  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-15 07:42:19  

Additional Information
 Earth MOID = .00436809 au 
 Jupiter MOID = 3.79519 au 
 T_jup = 5.677 
[ 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 27.03   .28029 MPO641172 autocmod 2.9c

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