Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2023   06:37:33   (  -0.03, -75.23) (   0.60, -77.91)  306.98                80
 04/18/2023   06:16:08   (  -0.04, -75.24) (  -0.48, -73.39)  211.26                80
 04/19/2023   18:40:41   (   0.03, -75.26) (  -0.72, -78.68)  389.49                80
 04/20/2023   18:19:15   (   0.04, -75.28) (   0.30, -74.15)  129.19                80
 04/22/2023   06:43:39   (  -0.03, -75.30) (   0.90, -79.40)  467.94                80
 04/23/2023   06:22:13   (  -0.04, -75.31) (  -0.12, -74.87)   50.90                80
 04/25/2023   18:27:59   (   0.03, -75.36) (  -0.02, -75.63)   29.79                80
 04/26/2023   18:06:33   (   0.03, -75.38) (   1.01, -71.09)  489.70                80
 04/28/2023   06:30:57   (  -0.02, -75.42) (   0.18, -76.35)  106.02                80
 04/29/2023   06:09:31   (  -0.02, -75.44) (  -0.85, -71.81)  413.85                80