Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 6 8.  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)
 06/09/2021   08:57:40   ( -69.04,-136.75) 06/09/2021   08:58:51  ( -68.97,-135.90)   34.66                71
 06/09/2021   09:48:17   (  68.55,  31.23) 06/09/2021   09:48:24  (  68.53,  31.19)    3.21                 7
 06/09/2021   10:38:58   ( -68.41,-161.27) 06/09/2021   10:37:54  ( -68.42,-161.31)    2.15                64
 06/12/2021   01:14:29   ( -68.62, -20.41) 06/12/2021   01:15:24  ( -68.64, -20.44)    3.00                55
 06/12/2021   02:05:13   (  68.50, 147.06) 06/12/2021   02:04:51  (  68.53, 147.07)    2.72                22
 06/12/2021   02:55:42   ( -67.71, -44.62) 06/12/2021   02:54:33  ( -67.75, -46.21)   67.19                69
 06/14/2021   16:41:01   (  69.63, -73.36) 06/14/2021   16:42:07  (  69.52, -71.06)   89.81                66
 06/14/2021   17:31:25   ( -68.57,  95.43) 06/14/2021   17:31:52  ( -68.59,  95.37)    3.11                27
 06/14/2021   18:22:09   (  68.45, -97.11) 06/14/2021   18:21:19  (  68.47, -97.13)    1.52                50
 06/17/2021   08:57:39   (  68.67,  43.74) 06/17/2021   08:58:48  (  68.68,  43.73)    0.83                69
 06/17/2021   09:48:21   ( -68.57,-148.81) 06/17/2021   09:48:18  ( -68.58,-148.76)    2.36                 3
 06/17/2021   10:39:01   (  68.24,  18.92) 06/17/2021   10:37:48  (  68.29,  18.53)   16.72                73
 06/20/2021   01:14:35   (  68.63, 159.57) 06/20/2021   01:15:16  (  68.61, 159.52)    2.65                41
 06/20/2021   02:05:17   ( -68.52, -32.98) 06/20/2021   02:04:46  ( -68.51, -32.96)    1.38                31