Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-C
TLE Epoch: 2023 4 19.  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)
 04/19/2023   03:47:10   (  72.65, 115.06) 04/19/2023   03:46:40  (  72.66, 115.07)    0.97                30
 04/19/2023   04:37:54   ( -72.66, -77.65) 04/19/2023   04:37:21  ( -72.66, -77.60)    1.72                33
 04/19/2023   05:28:40   (  72.66,  89.66) 04/19/2023   05:28:02  (  72.63,  89.69)    2.90                38
 04/19/2023   06:19:23   ( -72.62,-102.94) 04/19/2023   06:18:43  ( -72.64,-102.98)    2.10                40
 04/19/2023   07:10:09   (  72.62,  64.36) 04/19/2023   07:09:24  (  72.61,  64.31)    2.08                45
 04/19/2023   08:00:53   ( -72.63,-128.34) 04/19/2023   08:00:05  ( -72.62,-128.36)    1.99                48
 04/19/2023   08:51:39   (  72.63,  38.97) 04/19/2023   08:50:45  (  72.64,  39.03)    2.43                54
 04/19/2023   09:42:23   ( -72.64,-153.74) 04/19/2023   09:41:26  ( -72.65,-153.64)    3.35                57
 04/19/2023   10:33:08   (  72.59,  13.67) 04/19/2023   10:32:07  (  72.62,  13.64)    3.43                61
 04/19/2023   11:23:52   ( -72.61,-179.04) 04/19/2023   11:22:48  ( -72.63,-179.02)    2.20                64
 04/19/2023   12:14:38   (  72.61, -11.73) 04/19/2023   12:13:29  (  72.60, -11.74)    0.43                69
 04/19/2023   13:05:22   ( -72.62, 155.56) 04/19/2023   13:04:10  ( -72.60, 155.60)    1.80                72
 04/19/2023   13:56:06   (  72.52, -36.92) 04/19/2023   13:54:52  (  72.53, -37.22)   10.18                74
 04/19/2023   14:46:48   ( -72.43, 130.58) 04/19/2023   14:45:35  ( -72.43, 129.91)   22.42                73
 04/19/2023   15:37:30   (  72.22, -61.71) 04/19/2023   15:36:19  (  72.25, -63.11)   47.46                71
 04/19/2023   16:28:12   ( -72.13, 105.78) 04/19/2023   16:27:02  ( -72.15, 104.03)   59.61                70
 04/19/2023   17:18:54   (  71.93, -86.52) 04/19/2023   17:17:47  (  71.92, -89.08)   88.07                67