Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 1 23.  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)
 01/23/2021   02:56:16   (  -0.36,-127.86) (   0.00,-126.25)  183.23                80
 01/25/2021   15:14:27   (   0.33,-127.77) (   1.11,-131.19)  389.28                80
 01/26/2021   15:02:43   (   0.35,-127.74) (   0.47,-128.32)   66.00                80
 01/27/2021   14:53:40   (   0.36,-127.70) (  -0.18,-125.45)  257.16                80
 01/30/2021   03:11:59   (  -0.33,-127.61) (  -1.01,-130.41)  320.21                80
 01/31/2021   03:02:57   (  -0.34,-127.57) (  -0.32,-127.55)    3.19                80
 02/01/2021   02:51:13   (  -0.35,-127.53) (   0.31,-124.69)  325.38                80
 02/03/2021   15:09:21   (   0.32,-127.43) (   0.83,-129.60)  248.24                80
 02/04/2021   15:00:18   (   0.33,-127.38) (   0.18,-126.73)   73.96                80
 02/05/2021   14:48:34   (   0.34,-127.34) (  -0.46,-123.87)  396.05                80