Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 2 5.  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   12:10:43   ( -80.97,-145.63) 02/13/2021   12:09:28  ( -80.98,-145.63)    1.48                75
 02/13/2021   13:01:14   (  80.98,  21.46) 02/13/2021   13:00:08  (  80.98,  21.54)    1.65                66
 02/13/2021   13:51:46   ( -80.98,-171.14) 02/13/2021   13:50:50  ( -80.98,-171.12)    0.63                56
 02/13/2021   14:42:16   (  80.98,  -3.68) 02/13/2021   14:41:29  (  80.99,  -3.58)    1.98                47
 02/13/2021   15:32:48   ( -80.98, 163.72) 02/13/2021   15:32:11  ( -80.99, 163.76)    1.33                37
 02/13/2021   16:23:19   (  80.99, -29.18) 02/13/2021   16:22:51  (  80.98, -29.07)    2.26                28
 02/13/2021   17:13:51   ( -80.99, 138.21) 02/13/2021   17:13:33  ( -80.98, 138.27)    1.36                18
 02/13/2021   18:04:21   (  80.98, -54.32) 02/13/2021   18:04:12  (  80.99, -54.19)    2.36                 9
 02/13/2021   18:54:53   ( -80.98, 113.06) 02/13/2021   18:54:54  ( -80.99, 113.14)    1.60                 1
 02/13/2021   19:45:24   (  81.00, -79.83) 02/13/2021   19:45:34  (  80.98, -79.68)    2.87                10
 02/13/2021   20:35:56   ( -80.99,  87.55) 02/13/2021   20:36:16  ( -80.98,  87.66)    2.13                20
 02/13/2021   21:26:26   (  80.99,-104.97) 02/13/2021   21:26:55  (  80.99,-104.81)    2.83                29
 02/13/2021   22:16:58   ( -80.99,  62.41) 02/13/2021   22:17:37  ( -80.99,  62.53)    2.15                39
 02/13/2021   23:07:28   (  80.98,-130.11) 02/13/2021   23:08:17  (  80.99,-130.29)    3.31                49
 02/13/2021   23:58:01   ( -81.00,  36.90) 02/13/2021   23:58:59  ( -80.99,  37.04)    2.91                58
 02/14/2021   00:48:31   (  81.00,-155.61) 02/14/2021   00:49:38  (  81.00,-155.42)    3.34                67