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JPL Small-Body Database Browser
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538644 (2016 FA4)
Classification: Apollo [NEO]          SPK-ID: 2538644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7935052945497211 1.0802e-06  
a 1.092043521772611 4.4511e-07 au
q .2255012053673206 1.0906e-06 au
i 16.2050518396471 2.1355e-05 deg
node 53.67945209512322 0.00010887 deg
peri 281.6782724993282 0.00010059 deg
M 163.790372613466 0.00072121 deg
tp 2458810.853768433020
(2019-Nov-23.35376843)
0.00071918 TDB
period 416.8294037967154
1.14
0.00025485
6.977e-07
d
yr
n .8636626800338906 5.2804e-07 deg/d
Q 1.958585838177902 7.9831e-07 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      1089 days (2.98 yr)  
   first obs. used      2016-03-18  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .41712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 11:40:07  

Additional Information
 Earth MOID = .163521 au 
 Jupiter MOID = 3.54335 au 
 T_jup = 5.300 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.5   n/a MPO465432  

538644 (2016 FA4)          Discovered 2016-Mar-18 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

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