Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 10 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/28/2021   07:07:12   (   0.32,-128.38) (  -0.03,-130.11)  196.95                80
 10/30/2021   06:52:19   (   0.32,-128.39) (   0.60,-127.16)  140.94                80
 10/30/2021   19:16:14   (  -0.31,-128.41) (   0.51,-132.31)  443.88                80
 11/01/2021   06:40:06   (   0.32,-128.41) (   1.23,-124.20)  478.45                80
 11/01/2021   19:04:01   (  -0.31,-128.42) (  -0.12,-129.36)  106.41                80
 11/03/2021   18:49:08   (  -0.31,-128.43) (  -0.76,-126.41)  230.55                80
 11/04/2021   07:13:11   (   0.30,-128.43) (  -0.39,-131.59)  360.56                80
 11/06/2021   07:00:58   (   0.30,-128.43) (   0.26,-128.64)   24.58                80
 11/08/2021   06:46:05   (   0.30,-128.42) (   0.90,-125.69)  310.61                80
 11/08/2021   19:10:00   (  -0.29,-128.42) (   0.20,-130.85)  275.11                80
 11/10/2021   18:55:06   (  -0.28,-128.41) (  -0.39,-127.89)   59.64                80