Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 3 6.  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   16:18:42   ( -80.98, 152.45) 03/07/2021   16:17:37  ( -80.99, 152.39)    2.01                65
 03/07/2021   17:09:17   (  80.99, -40.40) 03/07/2021   17:08:17  (  80.99, -40.26)    2.43                60
 03/07/2021   17:59:45   ( -80.99, 126.94) 03/07/2021   17:58:59  ( -80.99, 126.90)    0.72                46
 03/07/2021   18:50:20   (  81.00, -65.91) 03/07/2021   18:49:39  (  80.99, -65.76)    2.91                41
 03/07/2021   19:40:47   ( -80.98, 101.79) 03/07/2021   19:40:20  ( -81.00, 101.77)    1.33                27
 03/07/2021   20:31:22   (  80.99, -91.05) 03/07/2021   20:31:00  (  81.00, -90.88)    2.99                22
 03/07/2021   21:21:50   ( -81.00,  76.27) 03/07/2021   21:21:42  ( -80.99,  76.28)    0.73                 8
 03/07/2021   22:12:24   (  80.99,-116.20) 03/07/2021   22:12:22  (  80.99,-116.37)    3.10                 2
 03/07/2021   23:02:52   ( -80.99,  51.13) 03/07/2021   23:03:03  ( -81.00,  51.15)    0.98                11
 03/07/2021   23:53:27   (  81.00,-141.71) 03/07/2021   23:53:44  (  80.98,-141.87)    3.29                17
 03/08/2021   00:43:55   ( -81.00,  25.61) 03/08/2021   00:44:25  ( -80.99,  25.66)    1.40                30
 03/08/2021   01:34:29   (  80.99,-166.85) 03/08/2021   01:35:05  (  80.99,-166.99)    2.44                36
 03/08/2021   02:24:57   ( -81.00,   0.46) 03/08/2021   02:25:46  ( -81.00,   0.53)    1.26                49
 03/08/2021   03:15:31   (  80.99, 168.00) 03/08/2021   03:16:26  (  81.00, 167.88)    2.55                55
 03/08/2021   04:06:00   ( -81.01, -25.05) 03/08/2021   04:07:08  ( -80.99, -24.96)    2.20                68