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(2021 GX2)
Classification: Apollo [NEO]          SPK-ID: 54135140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459312.5 (2021-Apr-08.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8977495036068736 0.00072979  
a 2.344089106754492 0.013439 au
q .2396842747553672 0.00033657 au
i 20.93628181525535 0.047632 deg
node 195.5303602645606 0.0093897 deg
peri 137.7889934984686 0.0074266 deg
M 346.820462130606 0.12335 deg
tp 2459360.490721961645
(2021-May-25.99072196)
0.036437 TDB
period 1310.869931662219
3.59
11.273
0.03086
d
yr
n .2746267889015579 0.0023617 deg/d
Q 4.448493938753617 0.025504 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      11 days  
   first obs. used      2021-04-04  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .42752  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-16 06:26:32  

Additional Information
 Earth MOID = .0628505 au 
 Jupiter MOID = 1.57467 au 
 T_jup = 2.772 
[ 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 22.784   .4603 6 autocmod 2.9c

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