Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 7 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)
 07/18/2021   04:27:07   (  81.02, 150.42) 07/18/2021   04:25:55  (  81.02, 150.47)    0.89                72
 07/18/2021   05:17:34   ( -81.02, -42.09) 07/18/2021   05:16:36  ( -81.03, -42.02)    1.71                58
 07/18/2021   06:08:09   (  81.02, 125.23) 07/18/2021   06:07:16  (  81.03, 125.34)    2.22                53
 07/18/2021   06:58:37   ( -81.03, -67.65) 07/18/2021   06:57:58  ( -81.02, -67.53)    2.28                39
 07/18/2021   07:49:12   (  81.03,  99.67) 07/18/2021   07:48:38  (  81.02,  99.83)    2.98                34
 07/18/2021   08:39:39   ( -81.03, -92.84) 07/18/2021   08:39:19  ( -81.03, -92.67)    3.03                20
 07/18/2021   09:30:14   (  81.03,  74.48) 07/18/2021   09:30:00  (  81.02,  74.33)    3.03                14
 07/18/2021   10:20:41   ( -81.03,-118.03) 07/18/2021   10:20:41  ( -81.02,-118.17)    2.42                 0
 07/18/2021   11:11:16   (  81.03,  49.29) 07/18/2021   11:11:21  (  81.03,  49.19)    1.70                 5
 07/18/2021   12:01:43   ( -81.02,-143.22) 07/18/2021   12:02:02  ( -81.03,-143.31)    1.86                19
 07/18/2021   12:52:18   (  81.02,  24.10) 07/18/2021   12:52:42  (  81.03,  24.05)    1.34                24
 07/18/2021   13:42:46   ( -81.04,-168.79) 07/18/2021   13:43:24  ( -81.03,-168.81)    1.21                38
 07/18/2021   14:33:21   (  81.04,  -1.46) 07/18/2021   14:34:04  (  81.03,  -1.45)    1.14                43
 07/18/2021   15:23:48   ( -81.03, 166.02) 07/18/2021   15:24:45  ( -81.03, 166.05)    0.46                57
 07/18/2021   16:14:23   (  81.03, -26.66) 07/18/2021   16:15:25  (  81.04, -26.59)    1.18                62