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JPL Small-Body Database Browser
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(2016 GU221)
Classification: Amor [NEO]          SPK-ID: 3752010
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 .3254367013161416 1.3116e-07  
a 1.700640848723159 1.5463e-08 au
q 1.147189900791211 2.3124e-07 au
i 13.29666190655658 6.1802e-05 deg
node 11.49666643988963 4.2969e-05 deg
peri 272.2747092795483 0.00020097 deg
M 265.4225316374092 0.00014373 deg
tp 2459213.315139688644
(2020-Dec-29.81513969)
0.00032091 TDB
period 810.060277720601
2.22
1.1048e-05
3.025e-08
d
yr
n .4444113727104245 6.061e-09 deg/d
Q 2.254091796655108 2.0495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      1996-03-19  
   last obs. used      2016-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54952  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:26:30  

Additional Information
 Earth MOID = .275065 au 
 Jupiter MOID = 3.01223 au 
 T_jup = 4.112 
[ 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 20.1   n/a MPO386977  

[ show close-approach data ]
Alternate Designations
 2016 GU221 = 1996 FW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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