Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 5 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)
 05/13/2021   02:10:44   (  81.00,-175.43) 05/13/2021   02:10:00  (  81.01,-175.59)    3.04                44
 05/13/2021   03:01:19   ( -81.01,  -8.27) 05/13/2021   03:00:41  ( -81.00,  -8.45)    3.17                38
 05/13/2021   03:51:47   (  81.01, 159.03) 05/13/2021   03:51:22  (  81.01, 158.91)    2.25                25
 05/13/2021   04:42:21   ( -81.00, -33.43) 05/13/2021   04:42:02  ( -81.01, -33.58)    2.67                19
 05/13/2021   05:32:49   (  81.01, 133.86) 05/13/2021   05:32:43  (  81.01, 133.78)    1.57                 6
 05/13/2021   06:23:24   ( -81.02, -58.96) 05/13/2021   06:23:24  ( -81.01, -59.07)    2.18                 0
 05/13/2021   07:13:52   (  81.02, 108.33) 05/13/2021   07:14:05  (  81.01, 108.28)    1.66                13
 05/13/2021   08:04:26   ( -81.01, -84.13) 05/13/2021   08:04:45  ( -81.02, -84.20)    1.29                19
 05/13/2021   08:54:54   (  81.02,  83.16) 05/13/2021   08:55:26  (  81.02,  83.16)    0.11                32
 05/13/2021   09:45:29   ( -81.02,-109.66) 05/13/2021   09:46:07  ( -81.01,-109.69)    1.82                38
 05/13/2021   10:35:56   (  81.01,  58.00) 05/13/2021   10:36:47  (  81.03,  58.03)    1.57                51
 05/13/2021   11:26:31   ( -81.02,-134.82) 05/13/2021   11:27:28  ( -81.02,-134.82)    0.24                57
 05/13/2021   12:16:59   (  81.03,  32.46) 05/13/2021   12:18:09  (  81.02,  32.53)    1.37                70