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(2017 YY4)
Classification: Amor [NEO]          SPK-ID: 3795058
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458112.5 (2017-Dec-25.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857817269336122 0.00080318  
a 1.251337236723332 0.0014173 au
q 1.018861643908537 0.0001538 au
i 24.16996881769326 0.053728 deg
node 277.494816517226 0.0040725 deg
peri 145.9098745219107 0.06807 deg
M 21.69379579646651 0.085868 deg
tp 2458081.689905783927
(2017-Nov-24.18990578)
0.070093 TDB
period 511.2813830207108
1.40
0.86865
0.002378
d
yr
n .7041132573086809 0.0011963 deg/d
Q 1.483812829538127 0.0016806 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      2 days  
   first obs. used      2017-12-24  
   last obs. used      2017-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .40199  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-26 12:12:06  

Additional Information
 Earth MOID = .0621243 au 
 Jupiter MOID = 3.77609 au 
 T_jup = 5.037 
[ 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 24.9   n/a MPO431426  

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