Simultaneous Nadir Overpasses (SNOs) between NPP and GCOM-C
TLE Epoch: 2021 12 4.  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   ( -69.91,-165.09) 12/07/2021   10:48:35  ( -69.84,-162.57)   96.73                67
 12/07/2021   11:38:02   (  69.26,   3.17) 12/07/2021   11:39:14  (  69.20,   3.90)   29.57                72
 12/07/2021   12:28:39   ( -68.92, 170.96) 12/07/2021   12:29:49  ( -68.93, 170.91)    2.93                70
 12/07/2021   13:19:26   (  68.95, -21.77) 12/07/2021   13:20:16  (  68.94, -21.70)    3.18                50
 12/07/2021   14:10:08   ( -68.87, 145.65) 12/07/2021   14:10:47  ( -68.88, 145.60)    2.15                39
 12/07/2021   15:00:54   (  68.85, -47.02) 12/07/2021   15:01:15  (  68.83, -47.08)    3.56                21
 12/07/2021   15:51:37   ( -68.83, 120.33) 12/07/2021   15:51:45  ( -68.83, 120.29)    1.59                 8
 12/07/2021   16:42:23   (  68.81, -72.33) 12/07/2021   16:42:12  (  68.83, -72.32)    2.74                11
 12/07/2021   17:33:06   ( -68.78,  95.02) 12/07/2021   17:32:43  ( -68.78,  94.99)    1.51                23
 12/07/2021   18:23:52   (  68.76, -97.65) 12/07/2021   18:23:10  (  68.78, -97.62)    1.93                42
 12/07/2021   19:14:35   ( -68.74,  69.70) 12/07/2021   19:13:41  ( -68.72,  69.68)    1.99                54
 12/07/2021   20:05:21   (  68.72,-122.96) 12/07/2021   20:04:08  (  68.73,-122.93)    1.41                73
 12/07/2021   20:55:57   ( -68.32,  44.88) 12/07/2021   20:54:45  ( -68.35,  43.95)   38.11                72