Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2023   08:01:12   (  -0.02,-101.73) (  -0.66, -98.87)  326.03                80
 02/14/2023   20:20:25   (   0.02,-100.56) (  -0.75,-104.13)  406.97                80
 02/15/2023   20:04:17   (   0.03, -99.78) (   0.07, -99.56)   24.11                80
 02/16/2023   19:45:31   (   0.03, -98.99) (   0.95, -95.01)  455.30                80
 02/18/2023   08:04:34   (  -0.03, -97.78) (   0.53,-100.22)  278.11                80
 02/19/2023   07:48:28   (  -0.04, -97.00) (  -0.35, -95.66)  153.03                80
 02/21/2023   19:48:54   (   0.04, -95.05) (  -0.23, -96.35)  148.04                80
 02/22/2023   19:32:46   (   0.04, -94.27) (   0.60, -91.78)  283.88                80
 02/24/2023   07:51:50   (  -0.04, -93.07) (   0.82, -97.00)  447.79                80
 02/25/2023   07:33:03   (  -0.04, -92.30) (  -0.01, -92.44)   15.77                80
 02/26/2023   07:16:56   (  -0.04, -91.52) (  -0.83, -87.87)  416.13                80