Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-B
TLE Epoch: 2023 7 4.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2023   03:21:37   (  72.69, 121.23) 07/04/2023   03:20:57  (  72.67, 121.21)    2.86                40
 07/04/2023   04:12:21   ( -72.69, -71.46) 07/04/2023   04:11:39  ( -72.66, -71.47)    3.23                42
 07/04/2023   05:03:07   (  72.70,  95.84) 07/04/2023   05:02:18  (  72.69,  95.92)    2.72                49
 07/04/2023   05:53:51   ( -72.70, -96.85) 07/04/2023   05:53:00  ( -72.69, -96.76)    3.14                51
 07/04/2023   06:44:36   (  72.65,  70.56) 07/04/2023   06:43:40  (  72.67,  70.53)    1.79                56
 07/04/2023   07:35:20   ( -72.66,-122.13) 07/04/2023   07:34:22  ( -72.67,-122.14)    1.26                58
 07/04/2023   08:26:06   (  72.66,  45.17) 07/04/2023   08:25:02  (  72.65,  45.14)    2.03                64
 07/04/2023   09:16:50   ( -72.66,-147.52) 07/04/2023   09:15:44  ( -72.64,-147.53)    2.32                66
 07/04/2023   10:07:36   (  72.67,  19.78) 07/04/2023   10:06:23  (  72.67,  19.86)    2.70                73
 07/04/2023   10:58:20   ( -72.67,-172.91) 07/04/2023   10:57:05  ( -72.67,-172.82)    3.01                75
 07/04/2023   11:49:01   (  72.42,  -5.10) 07/04/2023   11:47:49  (  72.44,  -5.94)   28.44                72
 07/04/2023   12:39:44   ( -72.37, 162.32) 07/04/2023   12:38:32  ( -72.39, 161.28)   34.80                72
 07/04/2023   13:30:25   (  72.12, -29.88) 07/04/2023   13:29:16  (  72.16, -31.83)   66.42                69
 07/04/2023   14:21:08   ( -72.07, 137.52) 07/04/2023   14:20:00  ( -72.06, 135.30)   75.96                68