Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 9.  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)
 01/09/2021   06:11:34   (  -0.14,-128.15) (  -0.60,-130.17)  229.84                80
 01/10/2021   05:53:35   (  -0.16,-128.14) (   0.49,-125.17)  338.30                80
 01/11/2021   18:09:47   (   0.13,-128.13) (   0.46,-129.74)  183.38                80
 01/12/2021   17:51:47   (   0.16,-128.11) (  -0.57,-124.73)  384.28                80
 01/14/2021   06:08:09   (  -0.13,-128.07) (  -0.42,-129.34)  145.03                80
 01/15/2021   05:50:09   (  -0.15,-128.05) (   0.68,-124.34)  422.90                80
 01/16/2021   18:06:21   (   0.12,-128.04) (   0.33,-128.90)   98.59                80
 01/17/2021   17:48:21   (   0.15,-128.02) (  -0.76,-123.90)  469.02                80
 01/19/2021   06:04:43   (  -0.11,-127.97) (  -0.22,-128.51)   60.89                80
 01/21/2021   18:02:55   (   0.09,-127.94) (   0.13,-128.07)   15.01                80