Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 7 12.  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   (  81.01, 150.62) 07/18/2021   04:25:55  (  81.03, 150.62)    1.61                72
 07/18/2021   05:17:35   ( -81.03, -42.32) 07/18/2021   05:16:37  ( -81.02, -42.30)    1.18                58
 07/18/2021   06:08:10   (  81.03, 125.06) 07/18/2021   06:07:17  (  81.02, 125.12)    1.17                53
 07/18/2021   06:58:37   ( -81.03, -67.51) 07/18/2021   06:57:58  ( -81.03, -67.44)    1.20                39
 07/18/2021   07:49:12   (  81.03,  99.87) 07/18/2021   07:48:38  (  81.03,  99.98)    2.02                34
 07/18/2021   08:39:39   ( -81.02, -92.70) 07/18/2021   08:39:19  ( -81.04, -92.58)    2.56                20
 07/18/2021   09:30:15   (  81.04,  74.31) 07/18/2021   09:30:00  (  81.02,  74.47)    3.28                15
 07/18/2021   10:20:41   ( -81.04,-118.26) 07/18/2021   10:20:40  ( -81.03,-118.08)    3.17                 1
 07/18/2021   11:11:15   (  81.02,  49.49) 07/18/2021   11:11:20  (  81.03,  49.34)    3.00                 5
 07/18/2021   12:01:43   ( -81.03,-143.45) 07/18/2021   12:02:02  ( -81.02,-143.59)    2.70                19
 07/18/2021   12:52:18   (  81.03,  23.93) 07/18/2021   12:52:42  (  81.03,  23.83)    1.83                24
 07/18/2021   13:42:45   ( -81.03,-168.64) 07/18/2021   13:43:23  ( -81.03,-168.73)    1.44                38
 07/18/2021   14:33:20   (  81.03,  -1.27) 07/18/2021   14:34:03  (  81.03,  -1.31)    0.89                43
 07/18/2021   15:23:47   ( -81.03, 166.17) 07/18/2021   15:24:44  ( -81.04, 166.14)    1.38                57
 07/18/2021   16:14:23   (  81.04, -26.83) 07/18/2021   16:15:25  (  81.03, -26.81)    1.72                62