Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 9 5.  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)
 09/05/2023   03:39:33   (  70.98, 119.71) 09/05/2023   03:40:30  (  71.00, 119.65)    2.82                57
 09/05/2023   04:30:15   ( -70.90, -72.84) 09/05/2023   04:29:55  ( -70.88, -72.88)    3.22                20
 09/07/2023   16:33:29   (  70.96, -73.75) 09/07/2023   16:33:45  (  70.98, -73.71)    2.65                16
 09/07/2023   17:24:11   ( -70.88,  93.71) 09/07/2023   17:23:10  ( -70.87,  93.76)    2.60                61
 09/10/2023   04:36:39   ( -71.02, -74.64) 09/10/2023   04:37:36  ( -71.04, -74.63)    2.05                57
 09/10/2023   05:27:23   (  70.90,  92.87) 09/10/2023   05:27:00  (  70.89,  92.80)    2.86                23
 09/12/2023   16:40:07   (  71.83, -76.87) 09/12/2023   16:41:14  (  71.74, -74.49)   83.17                67
 09/12/2023   17:30:34   ( -70.96,  91.98) 09/12/2023   17:30:51  ( -70.98,  91.94)    2.13                17
 09/12/2023   18:21:19   (  70.90,-100.61) 09/12/2023   18:20:14  (  70.87,-100.55)    3.24                65
 09/15/2023   05:33:48   (  71.05,  91.02) 09/15/2023   05:34:40  (  71.04,  91.06)    1.76                52
 09/15/2023   06:24:30   ( -70.96,-101.51) 09/15/2023   06:24:05  ( -70.94,-101.44)    3.21                25
 09/17/2023   17:37:12   ( -71.79,  88.92) 09/17/2023   17:38:20  ( -71.69,  91.11)   77.08                68
 09/17/2023   18:27:42   (  70.96,-102.31) 09/17/2023   18:27:54  (  70.98,-102.37)    3.19                12
 09/17/2023   19:18:24   ( -70.86,  65.17) 09/17/2023   19:17:19  ( -70.89,  65.14)    2.47                65