Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 10 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2025   01:04:07   (  74.45, 151.95) 10/15/2025   01:04:13  (  74.42, 152.01)    3.02                 6
 10/15/2025   01:54:48   ( -74.33, -40.43) 10/15/2025   01:53:35  ( -74.32, -40.56)    4.03                73
 10/17/2025   10:35:05   (  74.73,   8.47) 10/17/2025   10:36:16  (  74.59,   9.32)   29.47                71
 10/17/2025   11:25:42   ( -74.42, 176.62) 10/17/2025   11:25:39  ( -74.43, 176.62)    1.52                 3
 10/17/2025   12:16:15   (  73.76, -14.43) 10/17/2025   12:15:09  (  73.80, -17.11)   83.37                66
 10/19/2025   20:56:35   ( -74.51,  33.66) 10/19/2025   20:57:42  ( -74.52,  33.74)    2.54                67
 10/19/2025   21:47:19   (  74.40,-158.74) 10/19/2025   21:47:02  (  74.41,-158.83)    3.06                17
 10/22/2025   07:18:13   (  74.51,  58.27) 10/22/2025   07:19:06  (  74.48,  58.25)    3.20                53
 10/22/2025   08:08:55   ( -74.43,-134.21) 10/22/2025   08:08:27  ( -74.42,-134.22)    1.39                28
 10/24/2025   17:39:48   ( -74.49,  82.93) 10/24/2025   17:40:30  ( -74.50,  82.91)    1.91                42
 10/24/2025   18:30:33   (  74.43,-109.62) 10/24/2025   18:29:50  (  74.40,-109.65)    3.21                43
 10/27/2025   04:01:26   (  74.50, 107.49) 10/27/2025   04:01:52  (  74.52, 107.55)    2.77                26