Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 4 6.  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)
 04/07/2021   03:30:01   (  -0.12,-128.16) (  -1.08,-132.24)  465.58                80
 04/08/2021   03:18:18   (  -0.11,-128.15) (  -0.41,-129.38)  140.70                80
 04/09/2021   03:09:14   (  -0.11,-128.13) (   0.27,-126.51)  184.19                80
 04/11/2021   15:30:06   (   0.12,-128.17) (   0.90,-131.44)  373.79                80
 04/12/2021   15:18:23   (   0.11,-128.15) (   0.24,-128.58)   49.46                80
 04/13/2021   15:03:59   (   0.11,-128.13) (  -0.42,-125.72)  274.85                80
 04/16/2021   03:24:52   (  -0.11,-127.96) (  -0.76,-130.65)  307.41                80
 04/17/2021   03:15:49   (  -0.10,-127.93) (  -0.08,-127.78)   16.50                80
 04/18/2021   03:04:05   (  -0.10,-127.90) (   0.59,-124.92)  340.07                80