Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 6 25.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2021   08:57:46   ( -68.67,-136.28) 06/25/2021   08:58:42  ( -68.69,-136.27)    1.64                56
 06/25/2021   09:48:30   (  68.55,  31.19) 06/25/2021   09:48:10  (  68.52,  31.17)    3.26                20
 06/25/2021   10:39:00   ( -67.82,-160.56) 06/25/2021   10:37:50  ( -67.85,-161.98)   59.86                70
 06/28/2021   00:24:18   (  69.64, 170.81) 06/28/2021   00:25:25  (  69.54, 173.08)   88.92                67
 06/28/2021   01:14:43   ( -68.65, -20.48) 06/28/2021   01:15:09  ( -68.66, -20.42)    2.85                26
 06/28/2021   02:05:26   (  68.47, 147.06) 06/28/2021   02:04:37  (  68.49, 147.01)    2.61                49
 06/30/2021   16:40:58   (  68.71, -72.13) 06/30/2021   16:42:06  (  68.73, -72.09)    2.37                68
 06/30/2021   17:31:39   ( -68.57,  95.38) 06/30/2021   17:31:37  ( -68.57,  95.35)    1.38                 2
 06/30/2021   18:22:19   (  68.23, -96.87) 06/30/2021   18:21:07  (  68.28, -97.35)   20.61                72
 07/03/2021   08:57:54   (  68.64,  43.74) 07/03/2021   08:58:34  (  68.63,  43.67)    2.69                40
 07/03/2021   09:48:36   ( -68.54,-148.82) 07/03/2021   09:48:04  ( -68.53,-148.82)    1.45                32
 07/06/2021   00:24:15   ( -69.21,  -8.59) 07/06/2021   00:25:26  ( -69.10,  -7.50)   44.91                71
 07/06/2021   01:14:50   (  68.62, 159.53) 07/06/2021   01:14:59  (  68.64, 159.57)    3.12                 9
 07/06/2021   02:05:31   ( -68.47, -32.96) 07/06/2021   02:04:30  ( -68.49, -32.99)    2.52                61
 07/08/2021   16:41:03   ( -68.71, 107.86) 07/08/2021   16:41:59  ( -68.72, 107.90)    1.67                56
 07/08/2021   17:31:47   (  68.60, -84.68) 07/08/2021   17:31:26  (  68.59, -84.61)    2.83                21
 07/08/2021   18:22:17   ( -67.86,  83.58) 07/08/2021   18:21:07  ( -67.88,  82.18)   59.03                70