Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 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)
 03/22/2023   12:40:02   (  70.51, -14.42) 03/22/2023   12:41:06  (  70.51, -14.42)    0.49                64
 03/22/2023   13:30:44   ( -70.43, 153.04) 03/22/2023   13:30:32  ( -70.42, 153.09)    1.95                12
 03/22/2023   14:21:14   (  69.57, -38.36) 03/22/2023   14:20:07  (  69.62, -40.35)   77.63                67
 03/25/2023   01:33:54   (  70.48, 152.17) 03/25/2023   01:34:48  (  70.49, 152.10)    3.23                54
 03/25/2023   02:24:36   ( -70.38, -40.37) 03/25/2023   02:24:14  ( -70.40, -40.39)    1.61                22
 03/27/2023   14:27:47   (  70.50, -41.34) 03/27/2023   14:28:29  (  70.49, -41.35)    1.31                42
 03/27/2023   15:18:29   ( -70.40, 126.13) 03/27/2023   15:17:55  ( -70.39, 126.16)    1.76                34
 03/30/2023   03:21:38   (  70.48, 125.22) 03/30/2023   03:22:08  (  70.50, 125.23)    2.68                30
 03/30/2023   04:12:20   ( -70.38, -67.31) 03/30/2023   04:11:34  ( -70.41, -67.26)    3.20                46
 04/01/2023   16:15:30   (  70.47, -68.24) 04/01/2023   16:15:48  (  70.48, -68.24)    1.34                18
 04/01/2023   17:06:12   ( -70.37,  99.24) 04/01/2023   17:05:14  ( -70.38,  99.26)    1.74                58
 04/04/2023   04:18:48   ( -71.09, -70.03) 04/04/2023   04:19:57  ( -70.98, -68.59)   53.62                69
 04/04/2023   05:09:22   (  70.47,  98.29) 04/04/2023   05:09:27  (  70.48,  98.32)    1.22                 5
 04/04/2023   06:00:04   ( -70.37, -94.23) 04/04/2023   05:58:53  ( -70.38, -94.18)    2.10                71