Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 15.  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)
 08/15/2023   23:50:59   (  70.93, 176.96) 08/15/2023   23:51:46  (  70.95, 177.00)    2.95                47
 08/16/2023   00:41:41   ( -70.84, -15.58) 08/16/2023   00:41:11  ( -70.84, -15.52)    2.18                30
 08/18/2023   11:54:22   ( -71.83, 174.60) 08/18/2023   11:55:28  ( -71.77, 177.30)   93.93                66
 08/18/2023   12:44:50   (  70.90, -16.45) 08/18/2023   12:45:06  (  70.87, -16.49)    3.25                16
 08/18/2023   13:35:32   ( -70.80, 151.02) 08/18/2023   13:34:30  ( -70.81, 151.08)    2.59                62
 08/21/2023   00:47:57   ( -70.97, -17.36) 08/21/2023   00:49:01  ( -70.96, -17.36)    1.51                64
 08/21/2023   01:38:41   (  70.87, 150.13) 08/21/2023   01:38:24  (  70.87, 150.16)    1.16                17
 08/21/2023   02:29:09   ( -70.04, -41.24) 08/21/2023   02:28:01  ( -70.10, -43.31)   78.53                68
 08/23/2023   13:41:47   ( -70.95, 149.22) 08/23/2023   13:42:18  ( -70.93, 149.25)    2.08                31
 08/23/2023   14:32:31   (  70.84, -43.30) 08/23/2023   14:31:41  (  70.84, -43.23)    2.66                50
 08/26/2023   01:44:58   (  71.13, 148.12) 08/26/2023   01:46:09  (  71.10, 148.51)   14.23                71
 08/26/2023   02:35:37   ( -70.88, -44.13) 08/26/2023   02:35:36  ( -70.88, -44.17)    1.56                 1
 08/26/2023   03:26:15   (  70.46, 123.85) 08/26/2023   03:25:04  (  70.51, 122.94)   34.59                71
 08/28/2023   14:38:46   (  70.97, -45.06) 08/28/2023   14:39:28  (  70.97, -45.04)    0.75                42
 08/28/2023   15:29:28   ( -70.87, 122.42) 08/28/2023   15:28:53  ( -70.86, 122.45)    1.24                35