Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 3 27.  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, 115.54) 03/29/2021   18:44:24  ( -80.99, 115.44)    2.04                73
 03/29/2021   19:36:12   (  81.00, -77.11) 03/29/2021   19:35:05  (  80.99, -77.23)    2.30                67
 03/29/2021   20:26:39   ( -80.99,  90.39) 03/29/2021   20:25:45  ( -81.00,  90.32)    1.48                54
 03/29/2021   21:17:14   (  80.99,-102.26) 03/29/2021   21:16:26  (  81.00,-102.35)    1.70                48
 03/29/2021   22:07:42   ( -81.00,  64.88) 03/29/2021   22:07:07  ( -80.99,  64.83)    1.61                35
 03/29/2021   22:58:17   (  81.00,-127.78) 03/29/2021   22:57:48  (  80.99,-127.84)    1.72                29
 03/29/2021   23:48:44   ( -81.00,  39.73) 03/29/2021   23:48:28  ( -81.00,  39.70)    0.46                16
 03/30/2021   00:39:19   (  81.00,-152.93) 03/30/2021   00:39:09  (  81.00,-152.96)    0.54                10
 03/30/2021   01:29:47   ( -81.01,  14.21) 03/30/2021   01:29:50  ( -80.99,  14.21)    1.77                 3
 03/30/2021   02:20:21   (  80.99,-178.08) 03/30/2021   02:20:30  (  81.01,-178.08)    1.80                 9
 03/30/2021   03:10:49   ( -81.00, -10.94) 03/30/2021   03:11:11  ( -81.00, -10.91)    0.57                22
 03/30/2021   04:01:24   (  81.00, 156.39) 03/30/2021   04:01:52  (  81.00, 156.43)    0.63                28
 03/30/2021   04:51:51   ( -81.00, -36.09) 03/30/2021   04:52:32  ( -81.01, -36.03)    1.75                41
 03/30/2021   05:42:26   (  81.00, 131.24) 03/30/2021   05:43:13  (  81.01, 131.31)    1.76                47
 03/30/2021   06:32:54   ( -81.01, -61.61) 03/30/2021   06:33:54  ( -81.00, -61.52)    1.60                60