Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 3 21.  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)
 03/29/2021   18:45:37   ( -80.99, 115.53) 03/29/2021   18:44:22  ( -80.99, 115.66)    2.29                75
 03/29/2021   19:36:12   (  81.00, -77.17) 03/29/2021   19:35:03  (  80.99, -77.05)    2.01                69
 03/29/2021   20:26:39   ( -80.99,  90.38) 03/29/2021   20:25:43  ( -81.00,  90.53)    3.10                56
 03/29/2021   21:17:14   (  80.99,-102.32) 03/29/2021   21:16:24  (  81.00,-102.18)    2.62                50
 03/29/2021   22:07:42   ( -81.00,  64.86) 03/29/2021   22:07:05  ( -81.00,  65.04)    3.03                37
 03/29/2021   22:58:17   (  81.00,-127.84) 03/29/2021   22:57:46  (  81.00,-127.68)    2.95                31
 03/29/2021   23:48:44   ( -81.00,  39.71) 03/29/2021   23:48:27  ( -80.99,  39.54)    3.07                17
 03/30/2021   00:39:19   (  81.00,-152.99) 03/30/2021   00:39:07  (  81.00,-152.81)    3.27                12
 03/30/2021   01:29:46   ( -80.99,  14.56) 03/30/2021   01:29:48  ( -81.00,  14.41)    2.81                 2
 03/30/2021   02:20:21   (  80.99,-178.14) 03/30/2021   02:20:29  (  81.00,-178.30)    2.78                 8
 03/30/2021   03:10:49   ( -81.00, -10.95) 03/30/2021   03:11:10  ( -80.99, -11.08)    2.55                21
 03/30/2021   04:01:24   (  81.01, 156.34) 03/30/2021   04:01:51  (  80.99, 156.20)    2.85                27
 03/30/2021   04:51:51   ( -81.00, -36.10) 03/30/2021   04:52:31  ( -81.00, -36.21)    2.00                40
 03/30/2021   05:42:26   (  81.00, 131.18) 03/30/2021   05:43:12  (  81.00, 131.07)    1.91                46
 03/30/2021   06:32:54   ( -81.01, -61.62) 03/30/2021   06:33:53  ( -81.00, -61.71)    2.23                59
 03/30/2021   07:23:28   (  81.00, 106.03) 03/30/2021   07:24:33  (  81.01, 105.95)    2.09                65