Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2026 4 2.  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)
 04/03/2026   19:31:17   (  -0.59, -89.48) (  -1.01, -91.35)  212.67                80
 04/04/2026   19:15:11   (  -0.61, -89.48) (  -0.00, -86.81)  305.18                80
 04/06/2026   07:34:19   (   0.56, -89.51) (   1.12, -92.08)  292.25                80
 04/07/2026   07:18:13   (   0.59, -89.51) (   0.12, -87.54)  225.66                80
 04/08/2026   19:37:29   (  -0.54, -89.49) (  -1.26, -92.84)  381.24                80
 04/09/2026   19:21:23   (  -0.57, -89.50) (  -0.31, -88.29)  136.99                80
 04/11/2026   07:40:30   (   0.51, -89.53) (   1.43, -93.56)  459.87                80
 04/12/2026   07:24:25   (   0.54, -89.54) (   0.42, -89.03)   58.57                80
 04/14/2026   19:24:55   (  -0.52, -89.53) (  -0.59, -89.78)   28.77                80
 04/15/2026   19:08:49   (  -0.55, -89.54) (   0.42, -85.25)  490.14                80