Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2020 12 19.  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)
 12/20/2020   02:52:53   (  -0.32,-128.26) (   0.00,-126.76)  170.54                80
 12/21/2020   02:38:30   (  -0.32,-128.27) (   0.68,-123.90)  497.94                80
 12/22/2020   15:13:48   (   0.33,-128.24) (   1.14,-131.71)  396.82                78
 12/23/2020   15:02:07   (   0.33,-128.24) (   0.46,-128.86)   69.63                80
 12/24/2020   14:47:45   (   0.33,-128.25) (  -0.22,-126.00)  257.51                80
 12/27/2020   03:08:39   (  -0.33,-128.29) (  -0.97,-130.93)  302.35                80
 12/28/2020   02:59:36   (  -0.34,-128.29) (  -0.29,-128.08)   24.26                80
 12/29/2020   02:47:54   (  -0.34,-128.29) (   0.38,-125.22)  350.74                80
 12/31/2020   15:06:09   (   0.35,-128.24) (   0.78,-130.16)  219.52                80
 01/01/2021   14:57:06   (   0.35,-128.23) (   0.16,-127.29)  106.46                80