Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 9 15.  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)
 09/22/2021   05:01:18   (  81.03, 142.16) 09/22/2021   05:00:07  (  81.04, 141.99)    3.12                71
 09/22/2021   05:51:54   ( -81.04, -50.86) 09/22/2021   05:50:48  ( -81.04, -50.70)    2.85                66
 09/22/2021   06:42:21   (  81.04, 116.57) 09/22/2021   06:41:29  (  81.03, 116.47)    2.19                52
 09/22/2021   07:32:56   ( -81.04, -76.07) 09/22/2021   07:32:10  ( -81.03, -76.21)    2.79                46
 09/22/2021   08:23:23   (  81.04,  91.36) 09/22/2021   08:22:50  (  81.04,  91.33)    0.65                33
 09/22/2021   09:13:57   ( -81.04,-101.28) 09/22/2021   09:13:30  ( -81.04,-101.35)    1.33                27
 09/22/2021   10:04:24   (  81.04,  66.15) 09/22/2021   10:04:10  (  81.05,  66.18)    1.11                14
 09/22/2021   10:54:59   ( -81.04,-126.49) 09/22/2021   10:54:51  ( -81.05,-126.50)    1.00                 8
 09/22/2021   11:45:27   (  81.05,  40.57) 09/22/2021   11:45:32  (  81.04,  40.66)    2.13                 5
 09/22/2021   12:36:02   ( -81.05,-152.07) 09/22/2021   12:36:13  ( -81.04,-152.01)    1.67                11
 09/22/2021   13:26:29   (  81.05,  15.36) 09/22/2021   13:26:53  (  81.05,  15.52)    2.79                24
 09/22/2021   14:17:04   ( -81.05,-177.28) 09/22/2021   14:17:34  ( -81.05,-177.16)    2.13                30
 09/22/2021   15:07:31   (  81.05,  -9.85) 09/22/2021   15:08:15  (  81.04, -10.00)    2.62                44
 09/22/2021   15:58:06   ( -81.05, 157.51) 09/22/2021   15:58:56  ( -81.04, 157.33)    3.21                50
 09/22/2021   16:48:33   (  81.05, -35.07) 09/22/2021   16:49:36  (  81.05, -35.14)    1.38                63