Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 10 22.  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)
 10/22/2023   23:25:52   ( -71.36,   2.45) 10/22/2023   23:27:04  ( -71.27,   2.84)   17.26                72
 10/23/2023   00:16:33   (  71.09, 170.22) 10/23/2023   00:16:27  (  71.11, 170.25)    1.94                 6
 10/23/2023   01:07:09   ( -70.69, -21.78) 10/23/2023   01:05:57  ( -70.78, -22.61)   31.96                72
 10/25/2023   11:29:22   (  72.08,   0.32) 10/25/2023   11:30:28  (  71.98,   3.07)   94.91                66
 10/25/2023   12:19:48   ( -71.15, 169.31) 10/25/2023   12:20:07  ( -71.16, 169.38)    2.81                19
 10/25/2023   13:10:32   (  71.04, -23.19) 10/25/2023   13:09:29  (  71.05, -23.13)    2.13                63
 10/28/2023   00:23:04   (  71.15, 168.49) 10/28/2023   00:23:43  (  71.18, 168.47)    2.78                39
 10/28/2023   01:13:46   ( -71.05, -24.02) 10/28/2023   01:13:09  ( -71.07, -24.04)    2.19                37
 10/30/2023   12:26:19   ( -71.22, 167.57) 10/30/2023   12:27:22  ( -71.22, 167.60)    1.19                63
 10/30/2023   13:17:03   (  71.12, -24.95) 10/30/2023   13:16:44  (  71.10, -24.93)    2.41                19
 10/30/2023   14:07:30   ( -70.23, 143.82) 10/30/2023   14:06:23  ( -70.28, 141.51)   86.98                67
 11/02/2023   00:29:42   (  71.61, 166.06) 11/02/2023   00:30:52  (  71.49, 167.10)   39.34                70
 11/02/2023   01:20:17   ( -71.14, -25.80) 11/02/2023   01:20:22  ( -71.16, -25.77)    2.51                 5
 11/02/2023   02:10:58   (  70.89, 141.95) 11/02/2023   02:09:46  (  70.93, 141.54)   15.63                72
 11/04/2023   13:23:32   (  71.18, -26.68) 11/04/2023   13:23:55  (  71.17, -26.67)    1.30                23
 11/04/2023   14:14:14   ( -71.07, 140.83) 11/04/2023   14:13:21  ( -71.07, 140.81)    0.70                53