Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 18.  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)
 06/18/2023   23:39:05   (  70.72,-179.67) 06/18/2023   23:39:39  (  70.74,-179.66)    1.61                34
 06/19/2023   00:29:47   ( -70.63, -12.21) 06/19/2023   00:29:05  ( -70.62, -12.18)    1.51                42
 06/21/2023   11:42:22   ( -71.17, 178.80) 06/21/2023   11:43:33  ( -71.06, 179.81)   38.11                71
 06/21/2023   12:32:59   (  70.69, -13.10) 06/21/2023   12:33:00  (  70.70, -13.08)    0.70                 1
 06/21/2023   13:23:40   ( -70.55, 154.45) 06/21/2023   13:22:27  ( -70.53, 154.33)    4.87                73
 06/24/2023   00:36:08   ( -70.77, -14.02) 06/24/2023   00:36:57  ( -70.78, -13.98)    1.84                49
 06/24/2023   01:26:52   (  70.67, 153.46) 06/24/2023   01:26:19  (  70.68, 153.54)    3.39                33
 06/26/2023   12:39:33   (  71.53, -16.11) 06/26/2023   12:40:40  (  71.45, -13.95)   77.05                67
 06/26/2023   13:30:02   ( -70.75, 152.54) 06/26/2023   13:30:17  ( -70.75, 152.62)    2.93                15
 06/26/2023   14:20:45   (  70.60, -39.90) 06/26/2023   14:19:40  (  70.59, -39.95)    2.01                65
 06/29/2023   01:33:13   (  70.79, 151.68) 06/29/2023   01:34:11  (  70.78, 151.67)    0.72                58
 06/29/2023   02:23:55   ( -70.68, -40.83) 06/29/2023   02:23:37  ( -70.69, -40.82)    1.15                18
 07/01/2023   14:27:06   (  70.73, -41.70) 07/01/2023   14:27:30  (  70.75, -41.74)    3.19                24
 07/01/2023   15:17:49   ( -70.67, 125.71) 07/01/2023   15:16:56  ( -70.66, 125.78)    2.60                53