Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 2 4.  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)
 02/13/2021   12:10:44   ( -80.98,-145.89) 02/13/2021   12:09:29  ( -80.97,-145.90)    1.22                75
 02/13/2021   13:01:14   (  80.98,  21.56) 02/13/2021   13:00:08  (  80.98,  21.63)    1.34                66
 02/13/2021   13:51:46   ( -80.98,-171.04) 02/13/2021   13:50:50  ( -80.98,-171.03)    0.50                56
 02/13/2021   14:42:17   (  80.99,  -3.95) 02/13/2021   14:41:30  (  80.97,  -3.86)    2.41                47
 02/13/2021   15:32:49   ( -80.99, 163.45) 02/13/2021   15:32:12  ( -80.98, 163.49)    1.65                37
 02/13/2021   16:23:19   (  80.99, -29.09) 02/13/2021   16:22:51  (  80.98, -28.98)    1.86                28
 02/13/2021   17:13:51   ( -80.98, 138.31) 02/13/2021   17:13:33  ( -80.98, 138.36)    0.91                18
 02/13/2021   18:04:21   (  80.98, -54.23) 02/13/2021   18:04:12  (  80.99, -54.11)    2.63                 9
 02/13/2021   18:54:53   ( -80.98, 113.17) 02/13/2021   18:54:54  ( -80.99, 113.24)    2.15                 1
 02/13/2021   19:45:24   (  80.99, -79.73) 02/13/2021   19:45:34  (  80.99, -79.60)    2.42                10
 02/13/2021   20:35:56   ( -80.99,  87.66) 02/13/2021   20:36:16  ( -80.99,  87.75)    1.62                20
 02/13/2021   21:26:26   (  80.99,-104.87) 02/13/2021   21:26:55  (  81.00,-104.72)    2.93                29
 02/13/2021   22:16:58   ( -80.98,  62.51) 02/13/2021   22:17:37  ( -81.00,  62.62)    2.40                39
 02/13/2021   23:07:29   (  81.00,-130.38) 02/13/2021   23:08:17  (  80.99,-130.21)    3.00                48
 02/13/2021   23:58:01   ( -81.00,  37.00) 02/13/2021   23:58:59  ( -80.99,  37.14)    2.39                58
 02/14/2021   00:48:31   (  80.99,-155.51) 02/14/2021   00:49:38  (  81.00,-155.33)    3.31                67