Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 7 29.  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)
 08/09/2021   04:21:38   ( -80.91, -25.75) 08/09/2021   04:20:36  ( -80.89, -31.01)   92.51                62
 08/09/2021   05:12:18   (  81.02, 139.30) 08/09/2021   05:11:09  (  81.03, 139.24)    1.35                69
 08/09/2021   06:02:47   ( -81.03, -53.49) 08/09/2021   06:01:50  ( -81.02, -53.63)    2.57                57
 08/09/2021   06:53:21   (  81.04, 113.73) 08/09/2021   06:52:31  (  81.02, 113.73)    1.50                50
 08/09/2021   07:43:49   ( -81.03, -78.69) 08/09/2021   07:43:11  ( -81.03, -78.77)    1.45                38
 08/09/2021   08:34:23   (  81.03,  88.52) 08/09/2021   08:33:52  (  81.03,  88.59)    1.12                31
 08/09/2021   09:24:51   ( -81.02,-103.89) 08/09/2021   09:24:32  ( -81.04,-103.91)    1.61                19
 08/09/2021   10:15:25   (  81.03,  63.32) 08/09/2021   10:15:13  (  81.04,  63.45)    2.36                12
 08/09/2021   11:05:54   ( -81.04,-129.45) 08/09/2021   11:05:54  ( -81.03,-129.42)    0.90                 0
 08/09/2021   11:56:27   (  81.03,  38.12) 08/09/2021   11:56:35  (  81.03,  37.94)    3.20                 8
 08/09/2021   12:46:56   ( -81.03,-154.65) 08/09/2021   12:47:15  ( -81.04,-154.56)    1.61                19
 08/09/2021   13:37:29   (  81.03,  12.92) 08/09/2021   13:37:56  (  81.04,  12.80)    2.66                27
 08/09/2021   14:27:57   ( -81.03,-179.85) 08/09/2021   14:28:35  ( -81.05,-179.70)    3.05                38
 08/09/2021   15:18:31   (  81.04, -12.65) 08/09/2021   15:19:17  (  81.03, -12.71)    1.20                46
 08/09/2021   16:08:59   ( -81.03, 154.96) 08/09/2021   16:09:57  ( -81.04, 154.79)    3.14                58
 08/09/2021   16:59:33   (  81.04, -37.85) 08/09/2021   17:00:38  (  81.04, -37.85)    0.56                65