Simultaneous Nadir Overpasses (SNOs) between NPP and GCOM-C
TLE Epoch: 2021 12 1.  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   10:47:28   ( -69.90,-165.07) 12/07/2021   10:48:35  ( -69.85,-162.56)   96.49                67
 12/07/2021   11:38:02   (  69.25,   3.18) 12/07/2021   11:39:14  (  69.21,   3.91)   29.20                72
 12/07/2021   12:28:40   ( -68.96, 170.91) 12/07/2021   12:29:49  ( -68.94, 170.92)    1.81                69
 12/07/2021   13:19:26   (  68.94, -21.76) 12/07/2021   13:20:16  (  68.94, -21.69)    2.80                50
 12/07/2021   14:10:09   ( -68.91, 145.59) 12/07/2021   14:10:47  ( -68.89, 145.62)    2.77                38
 12/07/2021   15:00:54   (  68.84, -47.00) 12/07/2021   15:01:15  (  68.83, -47.07)    2.88                21
 12/07/2021   15:51:37   ( -68.82, 120.35) 12/07/2021   15:51:45  ( -68.84, 120.31)    2.92                 8
 12/07/2021   16:42:23   (  68.80, -72.32) 12/07/2021   16:42:13  (  68.78, -72.38)    3.03                10
 12/07/2021   17:33:06   ( -68.77,  95.03) 12/07/2021   17:32:43  ( -68.79,  95.00)    2.00                23
 12/07/2021   18:23:52   (  68.75, -97.63) 12/07/2021   18:23:10  (  68.78, -97.61)    3.39                42
 12/07/2021   19:14:35   ( -68.73,  69.72) 12/07/2021   19:13:41  ( -68.73,  69.69)    1.14                54
 12/07/2021   20:05:21   (  68.71,-122.95) 12/07/2021   20:04:08  (  68.73,-122.92)    2.60                73
 12/07/2021   20:55:57   ( -68.31,  44.89) 12/07/2021   20:54:45  ( -68.36,  43.97)   38.43                72