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(2021 GT3)
Classification: Apollo [NEO]          SPK-ID: 54135430
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 2459311.5 (2021-Apr-07.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7211767933940759 0.00069093  
a 1.466222737978517 0.0024129 au
q .4088169254016877 0.00034028 au
i 4.368283957322522 0.0059926 deg
node 19.85124807544022 0.00015787 deg
peri 295.4485407945203 0.0012851 deg
M 330.986563140001 0.090592 deg
tp 2459363.763083423571
(2021-May-29.26308342)
0.034177 TDB
period 648.4826366236359
1.78
1.6008
0.004383
d
yr
n .5551420804022784 0.0013704 deg/d
Q 2.523628550555346 0.004153 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      4 days  
   first obs. used      2021-04-06  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .42371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:06  

Additional Information
 Earth MOID = .00142861 au 
 Jupiter MOID = 2.81161 au 
 T_jup = 4.282 
[ 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 26.359   .23132 4 autocmod 2.9c

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