Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 3 17.  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, 115.69) 03/29/2021   18:44:22  ( -81.00, 115.76)    1.78                75
 03/29/2021   19:36:12   (  80.99, -77.03) 03/29/2021   19:35:03  (  81.00, -76.98)    1.01                69
 03/29/2021   20:26:40   ( -81.00,  90.18) 03/29/2021   20:25:44  ( -80.99,  90.27)    1.71                56
 03/29/2021   21:17:15   (  81.00,-102.55) 03/29/2021   21:16:25  (  80.99,-102.48)    1.99                50
 03/29/2021   22:07:42   ( -80.99,  65.03) 03/29/2021   22:07:05  ( -81.00,  65.14)    2.05                37
 03/29/2021   22:58:17   (  81.00,-127.70) 03/29/2021   22:57:46  (  81.00,-127.61)    1.67                31
 03/29/2021   23:48:45   ( -81.00,  39.51) 03/29/2021   23:48:27  ( -80.99,  39.64)    2.52                18
 03/30/2021   00:39:19   (  80.99,-152.86) 03/30/2021   00:39:07  (  81.01,-152.74)    2.62                12
 03/30/2021   01:29:47   ( -81.00,  14.36) 03/30/2021   01:29:48  ( -81.00,  14.51)    2.58                 1
 03/30/2021   02:20:22   (  81.00,-178.38) 03/30/2021   02:20:29  (  81.00,-178.23)    2.53                 7
 03/30/2021   03:10:50   ( -81.01, -11.15) 03/30/2021   03:11:10  ( -81.00, -10.99)    3.35                20
 03/30/2021   04:01:24   (  81.00, 156.47) 03/30/2021   04:01:50  (  81.01, 156.64)    3.09                26
 03/30/2021   04:51:52   ( -81.01, -36.30) 03/30/2021   04:52:31  ( -81.01, -36.12)    3.24                39
 03/30/2021   05:42:26   (  80.99, 131.32) 03/30/2021   05:43:12  (  81.00, 131.14)    3.22                46
 03/30/2021   06:32:54   ( -81.00, -61.45) 03/30/2021   06:33:53  ( -81.00, -61.61)    2.80                59
 03/30/2021   07:23:29   (  81.01, 105.80) 03/30/2021   07:24:34  (  81.00, 105.65)    2.92                65