Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 8 5.  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)
 08/07/2021   00:24:28   ( -68.74,  -8.00) 08/07/2021   00:24:59  ( -68.74,  -7.95)    1.98                31
 08/07/2021   01:15:12   (  68.61, 159.49) 08/07/2021   01:14:27  (  68.58, 159.49)    3.11                45
 08/09/2021   15:50:44   (  68.88, -59.74) 08/09/2021   15:51:55  (  68.88, -59.53)    8.23                71
 08/09/2021   16:41:24   ( -68.70, 107.83) 08/09/2021   16:41:26  ( -68.71, 107.89)    3.35                 2
 08/09/2021   17:32:07   (  68.51, -84.62) 08/09/2021   17:30:54  (  68.55, -84.67)    4.61                73
 08/12/2021   08:07:38   (  68.73,  56.23) 08/12/2021   08:08:24  (  68.73,  56.16)    2.76                46
 08/12/2021   08:58:20   ( -68.65,-136.34) 08/12/2021   08:57:54  ( -68.63,-136.34)    2.71                26
 08/14/2021   23:34:03   ( -69.56,   3.53) 08/14/2021   23:35:11  ( -69.47,   5.35)   71.42                68
 08/15/2021   00:24:33   (  68.69, 172.05) 08/15/2021   00:24:50  (  68.69, 171.99)    2.42                17
 08/15/2021   01:15:15   ( -68.61, -20.52) 08/15/2021   01:14:20  ( -68.59, -20.50)    2.18                55
 08/17/2021   15:50:46   ( -68.83, 120.33) 08/17/2021   15:51:49  ( -68.82, 120.39)    2.68                63
 08/17/2021   16:41:29   (  68.65, -72.13) 08/17/2021   16:41:17  (  68.65, -72.19)    2.39                12
 08/17/2021   17:32:04   ( -68.19,  95.79) 08/17/2021   17:30:52  ( -68.27,  94.99)   34.10                72