Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 3 5.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-15) NOAA-15 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 03/07/2021   16:18:43   ( -80.98, 152.32) 03/07/2021   16:17:38  ( -80.99, 152.26)    1.07                65
 03/07/2021   17:09:18   (  80.99, -40.53) 03/07/2021   17:08:18  (  80.99, -40.40)    2.42                60
 03/07/2021   17:59:46   ( -80.99, 126.80) 03/07/2021   17:59:00  ( -80.98, 126.77)    1.73                46
 03/07/2021   18:50:20   (  80.99, -65.68) 03/07/2021   18:49:39  (  81.00, -65.53)    2.86                41
 03/07/2021   19:40:48   ( -80.99, 101.66) 03/07/2021   19:40:21  ( -80.99, 101.64)    0.26                27
 03/07/2021   20:31:23   (  81.00, -91.19) 03/07/2021   20:31:01  (  80.99, -91.02)    3.16                22
 03/07/2021   21:21:50   ( -80.98,  76.51) 03/07/2021   21:21:42  ( -81.00,  76.51)    1.61                 8
 03/07/2021   22:12:25   (  80.99,-116.34) 03/07/2021   22:12:23  (  80.98,-116.51)    3.27                 2
 03/07/2021   23:02:53   ( -81.00,  51.00) 03/07/2021   23:03:04  ( -80.99,  51.02)    0.63                11
 03/07/2021   23:53:27   (  80.99,-141.48) 03/07/2021   23:53:44  (  80.99,-141.64)    2.77                17
 03/08/2021   00:43:55   ( -80.99,  25.85) 03/08/2021   00:44:25  ( -81.00,  25.90)    1.44                30
 03/08/2021   01:34:30   (  81.00,-166.99) 03/08/2021   01:35:06  (  80.99,-167.13)    2.85                36
 03/08/2021   02:24:58   ( -81.00,   0.33) 03/08/2021   02:25:47  ( -81.00,   0.40)    1.46                49
 03/08/2021   03:15:32   (  80.99, 167.86) 03/08/2021   03:16:27  (  81.00, 167.75)    2.07                55
 03/08/2021   04:06:00   ( -81.00, -24.81) 03/08/2021   04:07:08  ( -81.00, -24.72)    1.74                68