Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 27.  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)
 01/27/2021   14:53:40   (   0.36,-127.71) (  -0.18,-125.45)  257.63                80
 01/30/2021   03:12:00   (  -0.33,-127.61) (  -1.00,-130.41)  319.86                80
 01/31/2021   03:02:57   (  -0.34,-127.58) (  -0.32,-127.56)    3.66                80
 02/01/2021   02:51:14   (  -0.35,-127.54) (   0.31,-124.69)  325.92                80
 02/03/2021   15:09:21   (   0.32,-127.44) (   0.83,-129.60)  247.09                80
 02/04/2021   15:00:18   (   0.33,-127.40) (   0.18,-126.73)   75.20                80
 02/05/2021   14:48:34   (   0.34,-127.35) (  -0.46,-123.87)  397.37                80
 02/08/2021   03:06:57   (  -0.30,-127.23) (  -0.66,-128.85)  185.02                80
 02/09/2021   02:57:54   (  -0.31,-127.18) (  -0.03,-125.98)  136.75                80