Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-C
TLE Epoch: 2023 9 6.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2023   07:41:30   (  73.53,  54.40) 09/19/2023   07:42:35  (  73.48,  57.43)   96.06                65
 09/19/2023   08:32:11   ( -73.38,-137.94) 09/19/2023   08:33:19  ( -73.34,-135.54)   76.46                68
 09/19/2023   09:22:53   (  73.19,  29.80) 09/19/2023   09:24:03  (  73.15,  31.37)   50.58                70
 09/19/2023   10:13:35   ( -73.09,-162.66) 09/19/2023   10:14:46  ( -73.06,-161.49)   38.07                71
 09/19/2023   11:04:17   (  72.89,   5.07) 09/19/2023   11:05:30  (  72.87,   5.43)   12.08                73
 09/19/2023   11:54:59   ( -72.79, 172.60) 09/19/2023   11:56:13  ( -72.79, 172.58)    0.62                74
 09/19/2023   12:45:45   (  72.79, -20.10) 09/19/2023   12:46:53  (  72.79, -20.07)    1.12                68
 09/19/2023   13:36:29   ( -72.79, 147.21) 09/19/2023   13:37:34  ( -72.81, 147.30)    3.24                65
 09/19/2023   14:27:14   (  72.75, -45.38) 09/19/2023   14:28:15  (  72.77, -45.46)    3.38                61
 09/19/2023   15:17:58   ( -72.80, 121.83) 09/19/2023   15:18:55  ( -72.78, 121.90)    2.99                57
 09/19/2023   16:08:43   (  72.75, -70.77) 09/19/2023   16:09:36  (  72.74, -70.86)    3.35                53
 09/19/2023   16:59:27   ( -72.75,  96.55) 09/19/2023   17:00:17  ( -72.76,  96.51)    1.42                50
 09/19/2023   17:50:13   (  72.76, -96.15) 09/19/2023   17:50:57  (  72.76, -96.15)    0.76                44
 09/19/2023   18:40:57   ( -72.76,  71.16) 09/19/2023   18:41:38  ( -72.78,  71.22)    3.21                41
 09/19/2023   19:31:43   (  72.76,-121.53) 09/19/2023   19:32:19  (  72.74,-121.54)    2.73                36
 09/19/2023   20:22:27   ( -72.76,  45.78) 09/19/2023   20:23:00  ( -72.76,  45.82)    1.66                33
 09/19/2023   21:13:13   (  72.77,-146.92) 09/19/2023   21:13:40  (  72.76,-146.83)    2.96                27
 09/19/2023   22:03:56   ( -72.72,  20.50) 09/19/2023   22:04:22  ( -72.73,  20.43)    2.70                26
 09/19/2023   22:54:42   (  72.72,-172.20) 09/19/2023   22:55:02  (  72.74,-172.22)    1.85                20
 09/19/2023   23:45:26   ( -72.72,  -4.88) 09/19/2023   23:45:44  ( -72.70,  -4.96)    3.29                18
 09/20/2023   00:36:12   (  72.73, 162.42) 09/20/2023   00:36:24  (  72.71, 162.38)    2.22                12
 09/20/2023   01:26:56   ( -72.73, -30.27) 09/20/2023   01:27:05  ( -72.73, -30.25)    0.56                 9
 09/20/2023   02:17:42   (  72.73, 137.03) 09/20/2023   02:17:45  (  72.73, 137.09)    1.94                 3