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(2021 GL1)
Classification: Apollo [NEO]          SPK-ID: 54134664
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .639129358801481 0.00053381  
a 2.557799760613428 0.0036509 au
q .9230348396699862 4.7957e-05 au
i 1.254830262313668 0.00072396 deg
node 203.5594186561491 0.0013401 deg
peri 31.94276311075909 0.0015232 deg
M 326.5027747948146 0.072718 deg
tp 2459339.528735493548
(2021-May-05.02873549)
0.0041635 TDB
period 1494.163903759098
4.09
3.199
0.008758
d
yr
n .2409374226577771 0.00051585 deg/d
Q 4.19256468155687 0.0059842 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3 days  
   first obs. used      2021-04-03  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:03  

Additional Information
 Earth MOID = .00202148 au 
 Jupiter MOID = .821115 au 
 T_jup = 3.113 
[ 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 25.757   .33688 3 autocmod 2.9c

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