Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/24/2025   10:52:36   (   0.00,-137.00) (   0.98,-141.29)  489.65                80
 01/25/2025   10:31:08   (  -0.00,-136.99) (  -0.04,-136.75)   27.12                80
 01/27/2025   22:34:13   (   0.01,-136.98) (  -0.08,-137.51)   59.96                80
 01/28/2025   22:18:05   (   0.01,-136.96) (   0.89,-132.95)  456.33                80
 01/30/2025   10:37:08   (  -0.02,-136.93) (   0.28,-138.21)  145.91                80
 01/31/2025   10:21:01   (  -0.02,-136.92) (  -0.75,-133.67)  370.16                80
 02/01/2025   22:40:12   (   0.02,-136.90) (  -0.43,-138.96)  234.02                80
 02/02/2025   22:24:03   (   0.02,-136.88) (   0.55,-134.40)  281.86                80
 02/04/2025   10:43:07   (  -0.02,-136.84) (   0.60,-139.66)  321.11                80
 02/05/2025   10:26:58   (  -0.02,-136.82) (  -0.39,-135.11)  194.21                80