Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 8.  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)
 05/10/2025   07:42:02   (  -0.02, -90.45) (   0.74, -93.79)  380.88                80
 05/11/2025   07:20:40   (  -0.03, -90.97) (  -0.40, -89.29)  190.58                80
 05/12/2025   19:45:20   (   0.02, -91.77) (  -0.62, -94.64)  326.69                80
 05/13/2025   19:23:59   (   0.03, -92.29) (   0.51, -90.14)  244.96                80
 05/15/2025   07:48:31   (  -0.02, -93.07) (   0.53, -95.45)  272.17                80
 05/16/2025   07:27:10   (  -0.02, -93.58) (  -0.61, -90.95)  299.35                80
 05/17/2025   19:51:50   (   0.02, -94.38) (  -0.40, -96.30)  218.01                80
 05/18/2025   19:30:29   (   0.02, -94.90) (   0.74, -91.80)  353.91                80
 05/20/2025   07:55:01   (  -0.01, -95.68) (   0.29, -97.11)  162.62                80
 05/21/2025   07:33:38   (  -0.01, -96.20) (  -0.79, -92.60)  409.34                80
 05/22/2025   19:58:19   (   0.01, -97.01) (  -0.21, -97.95)  107.60                80