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(2021 GD3)
Classification: Amor [NEO]          SPK-ID: 54135144
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215257660051064 0.00023826  
a 1.314160426811756 0.00043134 au
q 1.03127732840455 2.538e-05 au
i 3.953974693654426 0.0036351 deg
node 34.02810833937831 0.00023663 deg
peri 177.0512776719533 0.0055584 deg
M 278.3561398060459 0.036855 deg
tp 2459325.293519821452
(2021-Apr-20.79351982)
0.005119 TDB
period 550.2638781287002
1.51
0.27092
0.0007417
d
yr
n .6542315683600083 0.00032211 deg/d
Q 1.597043525218962 0.00052419 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      14 days  
   first obs. used      2021-04-05  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .4803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-19 06:24:10  

Additional Information
 Earth MOID = .024545 au 
 Jupiter MOID = 3.36392 au 
 T_jup = 4.939 
[ 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 26.925   .35897 6 autocmod 2.9c

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