Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 6 22.  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   08:57:47   ( -68.69,-136.31) 06/25/2021   08:58:43  ( -68.66,-136.29)    3.28                56
 06/25/2021   09:48:31   (  68.57,  31.16) 06/25/2021   09:48:10  (  68.55,  31.21)    3.14                21
 06/25/2021   10:39:00   ( -67.78,-160.52) 06/25/2021   10:37:51  ( -67.83,-162.01)   62.78                69
 06/28/2021   00:24:18   (  69.67, 170.77) 06/28/2021   00:25:24  (  69.57, 173.12)   91.64                66
 06/28/2021   01:14:42   ( -68.62, -20.44) 06/28/2021   01:15:09  ( -68.64, -20.45)    2.30                27
 06/28/2021   02:05:26   (  68.49, 147.02) 06/28/2021   02:04:36  (  68.52, 147.05)    2.68                50
 06/30/2021   16:40:57   (  68.69, -72.09) 06/30/2021   16:42:06  (  68.70, -72.12)    2.14                69
 06/30/2021   17:31:39   ( -68.59,  95.35) 06/30/2021   17:31:36  ( -68.60,  95.39)    1.78                 3
 06/30/2021   18:22:19   (  68.26, -96.90) 06/30/2021   18:21:06  (  68.31, -97.32)   17.95                73
 07/03/2021   08:57:54   (  68.67,  43.70) 07/03/2021   08:58:33  (  68.66,  43.71)    0.98                39
 07/03/2021   09:48:35   ( -68.52,-148.79) 07/03/2021   09:48:04  ( -68.51,-148.85)    2.85                31
 07/06/2021   00:24:16   ( -69.24,  -8.64) 07/06/2021   00:25:26  ( -69.13,  -7.47)   47.91                70
 07/06/2021   01:14:50   (  68.60, 159.56) 07/06/2021   01:15:00  (  68.61, 159.53)    1.94                10
 07/06/2021   02:05:32   ( -68.50, -33.00) 07/06/2021   02:04:30  ( -68.52, -32.95)    2.58                62