Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 13.  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)
 03/13/2021   03:23:31   (  -0.09,-128.35) (   0.00,-131.45)  344.42                 0
 03/14/2021   03:12:54   (  -0.08,-128.36) (  -0.10,-128.40)    5.53                80
 03/15/2021   02:58:31   (  -0.08,-128.37) (   0.56,-125.54)  322.12                80
 03/17/2021   15:21:58   (   0.09,-128.45) (   0.57,-130.45)  228.69                80
 03/18/2021   15:07:35   (   0.08,-128.46) (  -0.14,-127.60)   98.08                80
 03/19/2021   14:55:52   (   0.08,-128.46) (  -0.78,-124.74)  424.67                80
 03/21/2021   03:31:15   (  -0.10,-128.37) (  -1.04,-132.56)  477.58                80
 03/22/2021   03:19:32   (  -0.09,-128.37) (  -0.38,-129.70)  151.10                80
 03/23/2021   03:05:08   (  -0.08,-128.37) (   0.29,-126.83)  175.30                80
 03/25/2021   15:28:36   (   0.10,-128.43) (   0.89,-131.74)  378.77                80
 03/26/2021   15:16:53   (   0.10,-128.42) (   0.18,-128.89)   53.03                80