Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 10.  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)
 05/11/2025   07:20:40   (  -0.03, -90.96) (  -0.41, -89.30)  190.39                80
 05/12/2025   19:45:21   (   0.02, -91.77) (  -0.62, -94.64)  326.74                80
 05/13/2025   19:23:59   (   0.03, -92.29) (   0.52, -90.14)  244.85                80
 05/15/2025   07:48:31   (  -0.02, -93.06) (   0.52, -95.45)  272.55                80
 05/16/2025   07:27:10   (  -0.02, -93.57) (  -0.61, -90.95)  298.87                80
 05/17/2025   19:51:50   (   0.02, -94.38) (  -0.40, -96.30)  218.38                80
 05/18/2025   19:30:29   (   0.02, -94.90) (   0.74, -91.80)  353.47                80
 05/20/2025   07:55:01   (  -0.01, -95.68) (   0.30, -97.11)  163.31                80
 05/21/2025   07:33:39   (  -0.01, -96.19) (  -0.79, -92.60)  408.56                80
 05/22/2025   19:58:19   (   0.01, -97.00) (  -0.22, -97.95)  108.33                80
 05/23/2025   19:36:57   (   0.01, -97.52) (   0.92, -93.45)  463.81                80