Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 19.  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)
 09/19/2021   18:15:43   (  -0.32,-127.90) (   0.48,-131.48)  408.11                80
 09/20/2021   17:57:42   (  -0.31,-127.87) (  -0.61,-126.48)  158.46                80
 09/22/2021   06:14:03   (   0.33,-127.87) (  -0.40,-131.08)  366.35                80
 09/23/2021   05:56:02   (   0.31,-127.84) (   0.70,-126.08)  199.90                80
 09/24/2021   18:12:12   (  -0.34,-127.74) (   0.33,-130.63)  329.97                80
 09/25/2021   17:54:11   (  -0.32,-127.71) (  -0.77,-125.63)  236.11                80
 09/27/2021   06:10:31   (   0.34,-127.70) (  -0.24,-130.24)  289.40                80
 09/28/2021   05:52:31   (   0.32,-127.66) (   0.86,-125.24)  276.11                80
 09/29/2021   18:08:40   (  -0.34,-127.55) (   0.17,-129.79)  255.07                80
 09/30/2021   17:50:40   (  -0.32,-127.51) (  -0.93,-124.79)  310.17                80
 10/02/2021   06:07:00   (   0.34,-127.50) (  -0.08,-129.39)  216.12                80