Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 5 4.  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)
 05/04/2023   13:23:35   ( -70.58, 154.49) 05/04/2023   13:23:55  ( -70.60, 154.55)    2.83                20
 05/04/2023   14:14:19   (  70.46, -38.00) 05/04/2023   14:13:19  (  70.47, -37.98)    1.05                60
 05/07/2023   01:26:50   (  70.67, 153.55) 05/07/2023   01:28:00  (  70.67, 153.61)    2.24                70
 05/07/2023   02:17:31   ( -70.53, -38.91) 05/07/2023   02:17:26  ( -70.51, -38.97)    2.98                 5
 05/07/2023   03:08:06   (  69.93, 129.32) 05/07/2023   03:06:57  (  69.99, 127.94)   53.08                69
 05/09/2023   14:20:45   (  70.62, -39.87) 05/09/2023   14:21:29  (  70.61, -39.88)    1.47                44
 05/09/2023   15:11:27   ( -70.54, 127.59) 05/09/2023   15:10:54  ( -70.51, 127.62)    3.15                33
 05/12/2023   02:24:14   ( -71.58, -42.30) 05/12/2023   02:25:20  ( -71.48, -39.58)   96.47                66
 05/12/2023   03:14:41   (  70.59, 126.70) 05/12/2023   03:14:58  (  70.58, 126.67)    1.45                17
 05/12/2023   04:05:23   ( -70.49, -65.84) 05/12/2023   04:04:23  ( -70.48, -65.81)    1.95                60
 05/14/2023   15:17:53   ( -70.67, 125.77) 05/14/2023   15:19:03  ( -70.66, 125.75)    0.78                70
 05/14/2023   16:08:37   (  70.55, -66.74) 05/14/2023   16:08:26  (  70.57, -66.73)    1.74                11
 05/14/2023   16:59:09   ( -69.94, 101.54) 05/14/2023   16:57:59  ( -70.04, 100.16)   53.64                70
 05/17/2023   04:11:49   ( -70.64, -67.67) 05/17/2023   04:12:31  ( -70.64, -67.68)    0.49                42
 05/17/2023   05:02:33   (  70.53,  99.81) 05/17/2023   05:01:54  (  70.54,  99.83)    1.04                39