Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2021   15:22:18   (   0.10,-127.89) (   0.59,-129.85)  224.56                80
 04/21/2021   15:10:35   (   0.10,-127.85) (  -0.08,-126.99)   98.46                80
 04/22/2021   14:58:51   (   0.10,-127.82) (  -0.76,-124.13)  421.36                80
 04/24/2021   03:31:26   (  -0.10,-127.65) (  -1.08,-131.92)  486.55                80
 04/25/2021   03:19:42   (  -0.10,-127.61) (  -0.46,-129.04)  163.83                80
 04/26/2021   03:10:38   (  -0.10,-127.57) (   0.22,-126.18)  158.81                80
 04/27/2021   02:58:55   (  -0.10,-127.53) (   0.90,-123.32)  481.23                80
 04/28/2021   15:28:52   (   0.09,-127.57) (   0.93,-131.12)  406.23                80
 04/29/2021   15:17:09   (   0.09,-127.52) (   0.25,-128.26)   84.36                80
 04/30/2021   15:08:04   (   0.09,-127.47) (  -0.38,-125.39)  237.39                80
 05/03/2021   03:26:15   (  -0.08,-127.24) (  -0.81,-130.31)  350.81                80