Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2023   20:48:52   (  -0.01,-111.97) (   0.28,-110.70)  144.70                80
 02/05/2023   08:49:02   (   0.01,-109.04) (   0.53,-111.29)  257.34                80
 02/06/2023   08:32:52   (   0.01,-107.88) (  -0.26,-106.71)  133.56                80
 02/08/2023   20:33:11   (  -0.01,-104.96) (  -0.53,-107.34)  271.52                80
 02/09/2023   20:17:02   (  -0.00,-103.80) (   0.26,-102.76)  119.59                80
 02/12/2023   08:17:11   (   0.00,-100.88) (   0.54,-103.35)  281.83                80
 02/13/2023   08:01:01   (   0.00, -99.72) (  -0.19, -98.76)  109.03                80
 02/14/2023   07:42:12   (   0.00, -98.56) (  -0.98, -94.17)  499.94                80
 02/15/2023   20:01:20   (  -0.01, -96.78) (  -0.58, -99.39)  297.08                80