Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 6 24.  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   ( -68.68,-136.29) 06/25/2021   08:58:42  ( -68.68,-136.28)    0.97                56
 06/25/2021   09:48:30   (  68.56,  31.18) 06/25/2021   09:48:09  (  68.56,  31.23)    2.04                21
 06/25/2021   10:38:59   ( -67.77,-160.50) 06/25/2021   10:37:50  ( -67.84,-161.99)   63.07                69
 06/28/2021   00:24:18   (  69.65, 170.79) 06/28/2021   00:25:24  (  69.58, 173.14)   91.21                66
 06/28/2021   01:14:43   ( -68.66, -20.50) 06/28/2021   01:15:09  ( -68.65, -20.44)    2.67                26
 06/28/2021   02:05:26   (  68.48, 147.04) 06/28/2021   02:04:37  (  68.47, 147.00)    2.02                49
 06/30/2021   16:40:58   (  68.72, -72.14) 06/30/2021   16:42:06  (  68.71, -72.11)    1.76                68
 06/30/2021   17:31:39   ( -68.58,  95.37) 06/30/2021   17:31:37  ( -68.56,  95.33)    2.91                 2
 06/30/2021   18:22:19   (  68.24, -96.88) 06/30/2021   18:21:06  (  68.32, -97.30)   19.45                73
 07/03/2021   08:57:54   (  68.65,  43.72) 07/03/2021   08:58:33  (  68.67,  43.72)    2.39                39
 07/03/2021   09:48:36   ( -68.55,-148.83) 07/03/2021   09:48:03  ( -68.57,-148.77)    3.21                33
 07/06/2021   00:24:15   ( -69.22,  -8.61) 07/06/2021   00:25:25  ( -69.13,  -7.46)   46.42                70
 07/06/2021   01:14:50   (  68.63, 159.52) 07/06/2021   01:14:59  (  68.62, 159.54)    1.33                 9
 07/06/2021   02:05:31   ( -68.48, -32.97) 07/06/2021   02:04:30  ( -68.47, -33.01)    2.04                61