Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 18.  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)
 01/19/2025   10:46:35   (  -0.01,-137.00) (   0.64,-139.83)  322.96                80
 01/20/2025   10:25:08   (  -0.01,-137.00) (  -0.37,-135.29)  194.49                80
 01/21/2025   22:47:00   (   0.01,-137.00) (  -0.79,-140.58)  408.00                80
 01/22/2025   22:30:53   (   0.02,-137.00) (   0.22,-136.04)  108.99                80
 01/24/2025   10:52:37   (  -0.02,-136.98) (   0.93,-141.30)  491.97                80
 01/25/2025   10:31:09   (  -0.02,-136.97) (  -0.08,-136.76)   24.43                80
 01/27/2025   22:34:13   (   0.03,-136.95) (  -0.10,-137.50)   63.88                80
 01/28/2025   22:18:06   (   0.03,-136.93) (   0.92,-132.96)  452.00                80
 01/30/2025   10:39:49   (  -0.04,-136.90) (   0.26,-138.22)  150.26                80
 01/31/2025   10:20:36   (  -0.04,-136.88) (  -0.76,-133.68)  365.43                54