Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 2 17.  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)
 02/18/2021   02:50:19   (   0.03,-127.94) (   0.80,-124.53)  389.13                80
 02/19/2021   15:25:27   (  -0.00,-128.04) (   0.99,-132.30)  485.90                80
 02/20/2021   15:13:45   (  -0.01,-128.07) (   0.28,-129.44)  156.41                80
 02/21/2021   14:59:21   (  -0.02,-128.09) (  -0.36,-126.58)  172.91                80
 02/24/2021   03:23:05   (  -0.02,-128.09) (  -0.80,-131.56)  394.94                80
 02/25/2021   03:11:22   (  -0.01,-128.11) (  -0.15,-128.69)   65.85                80
 02/26/2021   02:56:59   (  -0.01,-128.13) (   0.56,-125.84)  263.16                80
 02/28/2021   15:20:23   (   0.03,-128.24) (   0.63,-130.73)  284.07                80
 03/01/2021   15:06:01   (   0.03,-128.26) (  -0.07,-127.87)   44.35                80
 03/02/2021   14:54:17   (   0.02,-128.28) (  -0.72,-125.01)  372.66                80