Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-B
TLE Epoch: 2025 11 30.  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)
 11/30/2025   22:00:24   (  74.39,-161.96) 11/30/2025   22:00:08  (  74.41,-162.01)    2.36                16
 11/30/2025   22:51:09   ( -74.42,   5.28) 11/30/2025   22:50:49  ( -74.41,   5.32)    1.74                20
 11/30/2025   23:41:54   (  74.39, 172.67) 11/30/2025   23:41:30  (  74.40, 172.64)    1.90                24
 12/01/2025   00:32:39   ( -74.42, -20.09) 12/01/2025   00:32:11  ( -74.41, -20.02)    2.32                28
 12/01/2025   01:23:24   (  74.39, 147.30) 12/01/2025   01:22:52  (  74.40, 147.30)    1.72                32
 12/01/2025   02:14:09   ( -74.42, -45.46) 12/01/2025   02:13:33  ( -74.41, -45.37)    3.00                36
 12/01/2025   03:04:54   (  74.39, 121.93) 12/01/2025   03:04:14  (  74.40, 121.95)    1.89                40
 12/01/2025   03:55:39   ( -74.41, -70.83) 12/01/2025   03:54:55  ( -74.40, -70.71)    3.73                44
 12/01/2025   04:46:24   (  74.39,  96.56) 12/01/2025   04:45:36  (  74.40,  96.61)    2.34                48
 12/01/2025   05:37:08   ( -74.36, -96.07) 12/01/2025   05:36:18  ( -74.35, -96.18)    3.42                50
 12/01/2025   06:27:54   (  74.38,  71.19) 12/01/2025   06:26:58  (  74.40,  71.26)    2.94                56
 12/01/2025   07:18:38   ( -74.36,-121.45) 12/01/2025   07:17:40  ( -74.35,-121.53)    2.67                58
 12/01/2025   08:09:24   (  74.38,  45.81) 12/01/2025   08:08:20  (  74.40,  45.92)    3.61                64
 12/01/2025   09:00:08   ( -74.36,-146.82) 12/01/2025   08:59:02  ( -74.35,-146.87)    1.96                66
 12/01/2025   09:50:54   (  74.38,  20.44) 12/01/2025   09:49:43  (  74.35,  20.45)    3.66                71
 12/01/2025   10:41:38   ( -74.36,-172.19) 12/01/2025   10:40:24  ( -74.35,-172.22)    1.34                74
 12/01/2025   11:32:20   (  74.18,  -4.43) 12/01/2025   11:31:08  (  74.20,  -5.27)   25.66                72
 12/01/2025   12:23:02   ( -74.12, 163.06) 12/01/2025   12:21:50  ( -74.10, 161.82)   37.82                72
 12/01/2025   13:13:43   (  73.89, -29.07) 12/01/2025   13:12:35  (  73.90, -31.34)   70.34                68
 12/01/2025   14:04:25   ( -73.77, 138.53) 12/01/2025   14:03:18  ( -73.81, 135.76)   86.22                67