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(2016 GX221)
Classification: Apollo [NEO, PHA]          SPK-ID: 3752013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8785708534367296 6.8235e-05  
a 2.495755515682528 0.00092963 au
q .3030574622999043 5.7423e-05 au
i 6.912428669802757 0.00085227 deg
node 187.5536346218951 0.0025831 deg
peri 250.6822633403607 0.0017148 deg
M 30.16250631109031 0.22663 deg
tp 2458879.839141421612
(2020-Jan-31.33914142)
0.83919 TDB
period 1440.129299608243
3.94
0.80464
0.002203
d
yr
n .2499775541667894 0.00013967 deg/d
Q 4.688453569065152 0.0017464 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      32 days  
   first obs. used      2016-04-03  
   last obs. used      2016-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .59115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Mar-15 07:26:33  

Additional Information
 Earth MOID = .0209952 au 
 Jupiter MOID = .808697 au 
 T_jup = 2.742 
[ 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 21.6   n/a MPO473440  

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