Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 9 13.  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)
 09/22/2021   05:01:19   (  81.05, 141.72) 09/22/2021   05:00:07  (  81.03, 141.89)    3.33                72
 09/22/2021   05:51:54   ( -81.05, -50.91) 09/22/2021   05:50:48  ( -81.03, -50.78)    2.63                66
 09/22/2021   06:42:20   (  81.03, 116.88) 09/22/2021   06:41:28  (  81.04, 116.74)    2.71                52
 09/22/2021   07:32:55   ( -81.03, -75.75) 09/22/2021   07:32:09  ( -81.04, -75.92)    3.37                46
 09/22/2021   08:23:23   (  81.04,  91.30) 09/22/2021   08:22:50  (  81.04,  91.23)    1.49                33
 09/22/2021   09:13:58   ( -81.04,-101.33) 09/22/2021   09:13:31  ( -81.04,-101.43)    2.01                27
 09/22/2021   10:04:25   (  81.04,  66.08) 09/22/2021   10:04:11  (  81.04,  66.08)    0.21                14
 09/22/2021   10:55:00   ( -81.04,-126.54) 09/22/2021   10:54:52  ( -81.04,-126.58)    0.80                 8
 09/22/2021   11:45:27   (  81.04,  40.87) 09/22/2021   11:45:32  (  81.05,  40.94)    1.73                 5
 09/22/2021   12:36:02   ( -81.04,-151.75) 09/22/2021   12:36:13  ( -81.05,-151.73)    1.54                11
 09/22/2021   13:26:30   (  81.05,  15.29) 09/22/2021   13:26:54  (  81.04,  15.42)    2.45                24
 09/22/2021   14:17:05   ( -81.05,-177.33) 09/22/2021   14:17:35  ( -81.04,-177.24)    1.78                30
 09/22/2021   15:07:32   (  81.05,  -9.92) 09/22/2021   15:08:15  (  81.05,  -9.72)    3.37                43
 09/22/2021   15:58:07   ( -81.05, 157.46) 09/22/2021   15:58:56  ( -81.05, 157.62)    2.72                49
 09/22/2021   16:48:34   (  81.05, -35.13) 09/22/2021   16:49:37  (  81.05, -35.24)    1.97                63