Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 6 9.  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)
 06/11/2023   09:48:04   ( -70.72,-151.89) 06/11/2023   09:48:59  ( -70.74,-151.91)    2.89                55
 06/11/2023   10:38:48   (  70.60,  15.60) 06/11/2023   10:38:22  (  70.61,  15.56)    2.01                26
 06/13/2023   22:41:59   ( -70.72,  14.62) 06/13/2023   22:42:21  ( -70.73,  14.70)    3.27                22
 06/13/2023   23:32:43   (  70.60,-177.89) 06/13/2023   23:31:44  (  70.59,-177.84)    2.38                59
 06/16/2023   10:45:11   (  70.77,  13.74) 06/16/2023   10:46:18  (  70.74,  13.71)    2.76                67
 06/16/2023   11:35:53   ( -70.67,-178.79) 06/16/2023   11:35:43  ( -70.69,-178.72)    3.33                10
 06/16/2023   12:26:25   (  69.93, -10.32) 06/16/2023   12:25:16  (  69.99, -12.06)   66.59                69
 06/18/2023   23:39:05   (  70.73,-179.68) 06/18/2023   23:39:39  (  70.73,-179.68)    0.59                34
 06/19/2023   00:29:47   ( -70.63, -12.20) 06/19/2023   00:29:05  ( -70.63, -12.18)    1.19                42
 06/21/2023   11:42:22   ( -71.17, 178.80) 06/21/2023   11:43:33  ( -71.06, 179.81)   38.22                71
 06/21/2023   12:32:59   (  70.71, -13.12) 06/21/2023   12:33:00  (  70.69, -13.10)    2.22                 1
 06/21/2023   13:23:40   ( -70.55, 154.45) 06/21/2023   13:22:27  ( -70.54, 154.33)    4.74                73