Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2021   05:46:50   (   0.23,-128.19) (   1.08,-124.40)  432.21                80
 12/01/2021   18:08:22   (  -0.22,-128.19) (  -0.02,-128.96)   88.41                80
 12/02/2021   17:45:04   (  -0.22,-128.16) (  -1.18,-123.97)  478.00                80
 12/04/2021   06:06:43   (   0.21,-128.09) (   0.13,-128.56)   52.21                80
 12/06/2021   18:04:56   (  -0.20,-128.04) (  -0.18,-128.11)    8.27                80
 12/09/2021   06:00:36   (   0.18,-127.93) (   0.23,-127.70)   26.54                80
 12/10/2021   18:22:08   (  -0.17,-127.91) (   0.81,-132.26)  495.54                80
 12/11/2021   17:58:48   (  -0.18,-127.88) (  -0.29,-127.26)   70.16                80
 12/13/2021   06:20:28   (   0.16,-127.81) (  -0.76,-131.84)  460.68                80