Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 22.  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)
 01/22/2025   22:30:52   (  -0.01,-137.00) (   0.19,-136.04)  110.07                80
 01/24/2025   10:52:36   (   0.00,-136.97) (   0.95,-141.30)  492.50                80
 01/25/2025   10:31:09   (  -0.00,-136.95) (  -0.07,-136.76)   22.84                80
 01/27/2025   22:34:13   (   0.01,-136.90) (  -0.11,-137.50)   68.63                80
 01/28/2025   22:18:05   (   0.02,-136.87) (   0.91,-132.96)  446.12                80
 01/30/2025   10:37:08   (  -0.02,-136.82) (   0.32,-138.20)  157.81                80
 01/31/2025   10:21:00   (  -0.02,-136.79) (  -0.72,-133.66)  356.78                80
 02/01/2025   22:40:11   (   0.02,-136.75) (  -0.47,-138.95)  250.30                80
 02/02/2025   22:24:04   (   0.02,-136.72) (   0.57,-134.41)  264.10                80
 02/04/2025   10:43:06   (  -0.03,-136.67) (   0.64,-139.65)  340.50                80