Simultaneous Nadir Overpasses (SNOs) between NPP and GCOM-C
TLE Epoch: 2021 12 3.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(GCOM-C) GCOM-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2021   10:47:29   ( -69.94,-165.12) 12/07/2021   10:48:35  ( -69.87,-162.52)   99.50                66
 12/07/2021   11:38:03   (  69.28,   3.14) 12/07/2021   11:39:14  (  69.23,   3.95)   32.24                71
 12/07/2021   12:28:40   ( -68.94, 170.93) 12/07/2021   12:29:49  ( -68.96, 170.95)    3.20                69
 12/07/2021   13:19:26   (  68.92, -21.73) 12/07/2021   13:20:17  (  68.91, -21.73)    0.46                51
 12/07/2021   14:10:08   ( -68.89, 145.62) 12/07/2021   14:10:46  ( -68.91, 145.64)    2.40                38
 12/07/2021   15:00:54   (  68.87, -47.05) 12/07/2021   15:01:14  (  68.86, -47.04)    1.42                20
 12/07/2021   15:51:37   ( -68.85, 120.30) 12/07/2021   15:51:44  ( -68.86, 120.34)    1.80                 7
 12/07/2021   16:42:23   (  68.83, -72.36) 12/07/2021   16:42:12  (  68.81, -72.35)    2.41                11
 12/07/2021   17:33:06   ( -68.81,  94.99) 12/07/2021   17:32:42  ( -68.81,  95.03)    1.63                24
 12/07/2021   18:23:51   (  68.73, -97.60) 12/07/2021   18:23:10  (  68.75, -97.65)    3.37                41
 12/07/2021   19:14:35   ( -68.76,  69.67) 12/07/2021   19:13:40  ( -68.76,  69.72)    2.03                55
 12/07/2021   20:05:20   (  68.69,-122.92) 12/07/2021   20:04:08  (  68.70,-122.96)    2.44                72
 12/07/2021   20:55:57   ( -68.34,  44.85) 12/07/2021   20:54:45  ( -68.33,  43.92)   38.06                72