Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 16.  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)
 01/16/2025   22:43:38   (  -0.03,-137.00) (  -0.51,-139.11)  241.03                80
 01/17/2025   22:22:10   (  -0.03,-137.00) (   0.49,-134.57)  276.48                80
 01/19/2025   10:46:35   (   0.03,-136.99) (   0.68,-139.82)  323.11                80
 01/20/2025   10:25:07   (   0.03,-136.99) (  -0.32,-135.28)  194.11                80
 01/21/2025   22:49:39   (  -0.04,-136.99) (  -0.84,-140.57)  408.80                80
 01/22/2025   22:28:12   (  -0.04,-136.98) (   0.16,-136.03)  108.01                80
 01/24/2025   10:52:36   (   0.05,-136.96) (   0.99,-141.29)  492.75                80
 01/25/2025   10:31:09   (   0.05,-136.95) (  -0.01,-136.75)   23.53                80
 01/27/2025   22:36:53   (  -0.06,-136.92) (  -0.19,-137.49)   65.28                80
 01/28/2025   22:15:25   (  -0.06,-136.90) (   0.83,-132.95)  450.36                80