Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 8 19.  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)
 08/31/2021   05:06:52   ( -81.03, -39.47) 08/31/2021   05:05:39  ( -81.03, -39.40)    1.27                73
 08/31/2021   05:57:21   (  81.03, 128.04) 08/31/2021   05:56:20  (  81.04, 128.02)    1.16                61
 08/31/2021   06:47:54   ( -81.03, -64.68) 08/31/2021   06:47:00  ( -81.04, -64.54)    2.63                54
 08/31/2021   07:38:24   (  81.04, 102.46) 08/31/2021   07:37:42  (  81.03, 102.51)    1.48                42
 08/31/2021   08:28:56   ( -81.03, -89.88) 08/31/2021   08:28:22  ( -81.03, -90.05)    3.03                34
 08/31/2021   09:19:26   (  81.04,  77.25) 08/31/2021   09:19:03  (  81.04,  77.36)    1.91                23
 08/31/2021   10:09:59   ( -81.04,-115.45) 08/31/2021   10:09:44  ( -81.03,-115.56)    2.50                15
 08/31/2021   11:00:28   (  81.04,  52.05) 08/31/2021   11:00:24  (  81.05,  52.22)    3.25                 4
 08/31/2021   11:51:01   ( -81.04,-140.66) 08/31/2021   11:51:05  ( -81.03,-140.70)    0.93                 4
 08/31/2021   12:41:30   (  81.03,  26.84) 08/31/2021   12:41:46  (  81.04,  26.71)    2.23                16
 08/31/2021   13:32:03   ( -81.04,-165.86) 08/31/2021   13:32:26  ( -81.04,-165.85)    0.78                23
 08/31/2021   14:22:32   (  81.03,   1.63) 08/31/2021   14:23:07  (  81.05,   1.57)    1.95                35
 08/31/2021   15:13:06   ( -81.05, 168.57) 08/31/2021   15:13:48  ( -81.04, 168.64)    2.04                42
 08/31/2021   16:03:35   (  81.05, -23.95) 08/31/2021   16:04:29  (  81.04, -23.94)    0.69                54
 08/31/2021   16:54:08   ( -81.05, 143.36) 08/31/2021   16:55:09  ( -81.04, 143.50)    2.44                61