Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 5 27.  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)
 05/29/2021   17:31:15   ( -68.62,  95.39) 05/29/2021   17:32:06  ( -68.61,  95.41)    0.84                51
 05/29/2021   18:21:59   (  68.50, -97.14) 05/29/2021   18:21:33  (  68.50, -97.09)    2.14                26
 05/29/2021   19:12:25   ( -67.55,  71.37) 05/29/2021   19:11:17  ( -67.61,  69.50)   79.57                68
 06/01/2021   08:57:43   (  69.40,  42.76) 06/01/2021   08:58:51  (  69.31,  44.54)   70.59                68
 06/01/2021   09:48:11   ( -68.56,-148.76) 06/01/2021   09:48:33  ( -68.54,-148.80)    2.66                22
 06/01/2021   10:38:55   (  68.44,  18.70) 06/01/2021   10:38:00  (  68.42,  18.70)    2.54                55
 06/04/2021   01:14:25   (  68.65, 159.56) 06/04/2021   01:15:27  (  68.67, 159.61)    2.97                62
 06/04/2021   02:05:06   ( -68.50, -32.92) 06/04/2021   02:04:58  ( -68.52, -32.95)    2.00                 8
 06/04/2021   02:55:42   (  67.96, 135.08) 06/04/2021   02:54:31  (  68.06, 134.15)   40.37                71
 06/06/2021   17:31:21   (  68.60, -84.61) 06/06/2021   17:31:54  (  68.58, -84.61)    1.98                33
 06/06/2021   18:22:03   ( -68.50,  82.85) 06/06/2021   18:21:24  ( -68.49,  82.90)    2.65                39
 06/09/2021   08:57:38   ( -68.92,-136.58) 06/09/2021   08:58:50  ( -68.84,-136.05)   23.12                72
 06/09/2021   09:48:17   (  68.55,  31.23) 06/09/2021   09:48:20  (  68.55,  31.23)    0.66                 3
 06/09/2021   10:38:59   ( -68.45,-161.32) 06/09/2021   10:37:50  ( -68.45,-161.26)    2.68                69