Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 4 24.  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)
 04/25/2023   18:27:59   (   0.03, -75.18) (  -0.04, -75.62)   49.31                80
 04/26/2023   18:06:31   (   0.03, -75.18) (   0.94, -71.07)  467.92                80
 04/28/2023   06:30:56   (  -0.03, -75.19) (   0.23, -76.33)  130.38                80
 04/29/2023   06:09:29   (  -0.03, -75.19) (  -0.81, -71.80)  387.28                80
 04/30/2023   18:34:02   (   0.02, -75.20) (  -0.39, -77.09)  215.35                80
 05/01/2023   18:12:34   (   0.02, -75.20) (   0.61, -72.54)  302.81                80
 05/03/2023   06:36:58   (  -0.02, -75.22) (   0.54, -77.81)  294.12                80
 05/04/2023   06:15:31   (  -0.02, -75.23) (  -0.46, -73.26)  224.30                80
 05/05/2023   18:40:03   (   0.02, -75.24) (  -0.72, -78.55)  377.46                80
 05/06/2023   18:18:36   (   0.02, -75.25) (   0.29, -74.01)  141.08                80
 05/08/2023   06:42:59   (  -0.01, -75.27) (   0.89, -79.26)  455.49                80