Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 9 14.  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)
 09/15/2025   21:35:11   ( -74.30,  24.56) 09/15/2025   21:35:46  ( -74.32,  24.52)    2.75                35
 09/15/2025   22:25:56   (  74.25,-168.02) 09/15/2025   22:25:05  (  74.22,-168.02)    3.14                51
 09/18/2025   07:56:52   (  74.34,  49.02) 09/18/2025   07:57:17  (  74.32,  49.08)    3.30                25
 09/18/2025   08:47:34   ( -74.25,-143.42) 09/18/2025   08:46:39  ( -74.27,-143.37)    2.59                55
 09/20/2025   18:18:30   ( -74.34,  73.61) 09/20/2025   18:18:51  ( -74.35,  73.72)    3.13                21
 09/20/2025   19:09:14   (  74.25,-118.83) 09/20/2025   19:08:10  (  74.25,-118.84)    0.20                64
 09/23/2025   04:40:10   (  74.35,  98.19) 09/23/2025   04:40:22  (  74.32,  98.21)    3.29                12
 09/23/2025   05:30:52   ( -74.25, -94.26) 09/23/2025   05:29:44  ( -74.27, -94.23)    1.94                68
 09/25/2025   14:11:18   (  75.03, -46.39) 09/25/2025   14:12:23  (  74.94, -43.40)   86.61                65
 09/25/2025   15:01:47   ( -74.31, 122.88) 09/25/2025   15:01:56  ( -74.33, 122.79)    3.44                 9
 09/25/2025   15:52:28   (  74.06, -69.19) 09/25/2025   15:51:16  (  74.17, -69.88)   24.19                72
 09/28/2025   00:32:52   ( -74.85, -21.29) 09/28/2025   00:34:01  ( -74.73, -19.36)   57.74                69
 09/28/2025   01:23:27   (  74.32, 147.44) 09/28/2025   01:23:26  (  74.32, 147.35)    2.95                 1