Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 26.  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)
 06/26/2023   12:39:33   (  71.54, -16.13) 06/26/2023   12:40:40  (  71.42, -13.98)   77.00                67
 06/26/2023   13:30:01   ( -70.72, 152.59) 06/26/2023   13:30:17  ( -70.72, 152.57)    1.03                16
 06/26/2023   14:20:45   (  70.61, -39.92) 06/26/2023   14:19:39  (  70.62, -39.91)    1.48                66
 06/29/2023   01:33:13   (  70.81, 151.65) 06/29/2023   01:34:10  (  70.80, 151.69)    1.64                57
 06/29/2023   02:23:55   ( -70.71, -40.87) 06/29/2023   02:23:36  ( -70.69, -40.82)    2.80                19
 07/01/2023   14:27:06   (  70.76, -41.74) 07/01/2023   14:27:29  (  70.74, -41.75)    2.16                23
 07/01/2023   15:17:48   ( -70.66, 125.74) 07/01/2023   15:16:55  ( -70.64, 125.75)    2.14                53
 07/04/2023   02:30:15   ( -70.81, -42.62) 07/04/2023   02:31:25  ( -70.81, -42.66)    1.35                70
 07/04/2023   03:20:59   (  70.71, 124.85) 07/04/2023   03:20:47  (  70.70, 124.85)    1.28                12
 07/04/2023   04:11:31   ( -70.09, -66.84) 07/04/2023   04:10:21  ( -70.17, -68.28)   55.11                70
 07/06/2023   15:24:08   ( -70.77, 123.97) 07/06/2023   15:24:42  ( -70.80, 123.98)    3.24                34
 07/06/2023   16:14:52   (  70.68, -68.57) 07/06/2023   16:14:04  (  70.69, -68.52)    2.42                48
 07/09/2023   03:27:20   (  70.96, 122.87) 07/09/2023   03:28:31  (  70.91, 123.16)   11.72                71
 07/09/2023   04:18:00   ( -70.74, -69.46) 07/09/2023   04:17:58  ( -70.76, -69.42)    2.67                 2
 07/09/2023   05:08:37   (  70.28,  98.58) 07/09/2023   05:07:26  (  70.32,  97.60)   37.23                71