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(2016 GM221)
Classification: Outer Main-belt Asteroid          SPK-ID: 3751948
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5729238077678654 4.4005e-05  
a 3.360969496334479 0.00039263 au
q 1.435390054702884 2.2275e-05 au
i 15.35836429780937 0.00079599 deg
node 50.90482231621292 0.00052066 deg
peri 196.1181402977795 0.0011733 deg
M 230.7991441929682 0.040633 deg
tp 2459808.215045780881
(2022-Aug-16.71504578)
0.39556 TDB
period 2250.584291139747
6.16
0.39437
0.00108
d
yr
n .1599584611948428 2.8029e-05 deg/d
Q 5.286548937966074 0.00061757 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      52 days  
   first obs. used      2016-04-10  
   last obs. used      2016-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .94181  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 12:58:20  

Additional Information
 Earth MOID = .429255 au 
 Jupiter MOID = .0594669 au 
 T_jup = 2.819 
[ 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 20.4   n/a MPO382819  

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