Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 12 30.  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)
 12/30/2024   10:19:43   (  -0.00,-136.97) (  -0.70,-133.95)  345.19                80
 12/31/2024   22:41:36   (   0.01,-136.97) (  -0.47,-139.25)  259.30                80
 01/01/2025   22:25:29   (   0.01,-136.95) (   0.49,-134.70)  256.31                80
 01/03/2025   10:44:34   (  -0.02,-136.92) (   0.68,-139.96)  346.98                80
 01/04/2025   10:28:27   (  -0.02,-136.90) (  -0.34,-135.42)  168.45                80
 01/05/2025   22:47:40   (   0.02,-136.89) (  -0.86,-140.71)  436.60                80
 01/06/2025   22:31:33   (   0.02,-136.87) (   0.17,-136.18)   78.60                80
 01/09/2025   10:31:51   (  -0.03,-136.80) (   0.01,-136.90)   11.08                80
 01/11/2025   22:34:57   (   0.04,-136.74) (  -0.14,-137.65)  103.36                80
 01/12/2025   22:18:49   (   0.04,-136.71) (   0.85,-133.11)  410.80                80