00164         C2017 03 25.44973 17 13 38.82 -13 32 15.9          13.5 R      H06

00164-Eva-20170324-044704-060-T3
(164) Eva – March 25, 2017

00164         C2017 04 18.38800 17 16 38.56 -14 36 08.1          12.7 R      H06

00164-Eva-20170417-031810-060-T3
(164) Eva – April 18, 2017

00164         C2017 05 05.39588 17 09 20.75 -15 40 40.2          12.4 R      H06

00164-Eva-20170504-032931-060-T3
(164) Eva – May 5, 2017

From these three observations, orbit calculated:

Perihelion 2018 Mar 31.867990 +/- 1.17 TT = 20:49:54 (JD 2458209.367990)
Epoch 2017 May  5.0 TT = JDT 2457878.5   Earth MOID: 0.8803   Find_Orb
M 283.66058 +/- 0.37
n   0.23072467 +/- 0.000335         Peri.  284.05209 +/- 0.035
a   2.63273219 +/- 0.00255          Node    76.81885 +/- 0.015
e   0.3465478 +/- 0.00267           Incl.   24.47393 +/- 0.028
P   4.27                   H  8.7   G  0.15   U  7.4 
q 1.72036440 +/- 0.00552    Q 3.54509997 +/- 0.0103
From 3 observations 2017 Mar. 25-May 5; mean residual 0".00