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(2021 GQ)
Classification: Apollo [NEO]          SPK-ID: 54134544
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 2459307.5 (2021-Apr-03.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3311539538761 0.0014762  
a 1.48210023628448 0.0031903 au
q .9912968829981725 5.4113e-05 au
i 5.751609852695613 0.019992 deg
node 13.0302528417843 0.0070363 deg
peri 203.3515494400279 0.018389 deg
M 347.8579385291993 0.036794 deg
tp 2459329.728221617290
(2021-Apr-25.22822162)
0.0045613 TDB
period 659.0445783418259
1.80
2.1279
0.005826
d
yr
n .546245294826292 0.0017637 deg/d
Q 1.972903589570788 0.0042468 au
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      5 days  
   first obs. used      2021-04-02  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .38003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:27:01  

Additional Information
 Earth MOID = .00818464 au 
 Jupiter MOID = 2.99953 au 
 T_jup = 4.513 
[ 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 25.814   .46902 4 autocmod 2.9c

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