Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2021   16:08:29   (  -0.17,-127.85) (   0.61,-131.29)  392.40                80
 12/21/2021   15:56:41   (  -0.17,-127.88) (  -0.02,-128.40)   60.80                80
 12/22/2021   15:42:15   (  -0.16,-127.91) (  -0.70,-125.53)  270.84                80
 12/25/2021   04:05:41   (   0.15,-127.97) (  -0.42,-130.45)  283.62                80
 12/26/2021   03:51:13   (   0.15,-127.99) (   0.22,-127.57)   47.77                80
 12/27/2021   03:39:27   (   0.15,-128.02) (   0.93,-124.70)  378.91                80
 12/29/2021   16:02:52   (  -0.14,-128.09) (   0.19,-129.62)  173.31                80
 12/30/2021   15:48:24   (  -0.14,-128.11) (  -0.45,-126.73)  157.26                80
 12/31/2021   15:36:38   (  -0.14,-128.13) (  -1.15,-123.87)  487.59                80
 01/02/2022   04:11:48   (   0.13,-128.14) (  -0.69,-131.64)  399.42                80