Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 5 22.  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)
 05/22/2023   18:21:55   (   0.02, -75.19) (   0.26, -74.19)  113.98                80
 05/24/2023   06:41:02   (  -0.03, -75.19) (   0.95, -79.46)  486.99                80
 05/25/2023   06:24:58   (  -0.03, -75.19) (  -0.06, -74.93)   29.30                80
 05/27/2023   18:25:30   (   0.03, -75.19) (  -0.07, -75.71)   59.13                80
 05/28/2023   18:09:26   (   0.03, -75.20) (   0.94, -71.19)  457.78                80
 05/30/2023   06:28:33   (  -0.03, -75.21) (   0.26, -76.45)  141.53                80
 05/31/2023   06:12:29   (  -0.03, -75.22) (  -0.76, -71.92)  375.65                80
 06/01/2023   18:31:45   (   0.04, -75.23) (  -0.44, -77.23)  228.24                80
 06/02/2023   18:15:41   (   0.04, -75.24) (   0.59, -72.70)  289.03                80
 06/04/2023   06:34:49   (  -0.05, -75.26) (   0.55, -77.98)  310.04                80