Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 8 2.  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)
 08/04/2021   08:07:32   ( -68.78,-123.81) 08/04/2021   08:08:32  ( -68.78,-123.78)    1.48                60
 08/04/2021   08:58:16   (  68.64,  43.68) 08/04/2021   08:58:00  (  68.62,  43.66)    2.75                16
 08/04/2021   09:48:48   ( -68.03,-148.21) 08/04/2021   09:47:37  ( -68.12,-149.31)   46.39                71
 08/07/2021   00:24:28   ( -68.73,  -7.98) 08/07/2021   00:25:00  ( -68.70,  -8.00)    2.81                32
 08/07/2021   01:15:12   (  68.60, 159.50) 08/07/2021   01:14:27  (  68.59, 159.51)    0.66                45
 08/09/2021   15:50:44   (  68.87, -59.72) 08/09/2021   15:51:56  (  68.84, -59.59)    6.58                72
 08/09/2021   16:41:24   ( -68.68, 107.85) 08/09/2021   16:41:27  ( -68.68, 107.84)    0.60                 3
 08/09/2021   17:32:07   (  68.50, -84.60) 08/09/2021   17:30:55  (  68.50, -84.72)    4.97                72
 08/12/2021   08:07:38   (  68.77,  56.17) 08/12/2021   08:08:23  (  68.74,  56.18)    3.22                45
 08/12/2021   08:58:19   ( -68.63,-136.32) 08/12/2021   08:57:53  ( -68.64,-136.32)    0.97                26
 08/14/2021   23:34:03   ( -69.54,   3.56) 08/14/2021   23:35:12  ( -69.44,   5.30)   68.96                69
 08/15/2021   00:24:34   (  68.73, 172.00) 08/15/2021   00:24:50  (  68.70, 172.01)    3.09                16
 08/15/2021   01:15:15   ( -68.59, -20.50) 08/15/2021   01:14:20  ( -68.61, -20.48)    1.86                55