Simultaneous Nadir Overpasses (SNOs) between NPP and GCOM-C
TLE Epoch: 2021 12 6.  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   ( -69.92,-165.11) 12/07/2021   10:48:34  ( -69.88,-162.51)   99.35                66
 12/07/2021   11:38:02   (  69.27,   3.16) 12/07/2021   11:39:14  (  69.19,   3.89)   29.99                72
 12/07/2021   12:28:39   ( -68.93, 170.95) 12/07/2021   12:29:49  ( -68.92, 170.89)    2.25                70
 12/07/2021   13:19:25   (  68.90, -21.71) 12/07/2021   13:20:16  (  68.93, -21.71)    2.69                51
 12/07/2021   14:10:08   ( -68.88, 145.63) 12/07/2021   14:10:47  ( -68.87, 145.58)    2.38                39
 12/07/2021   15:00:54   (  68.86, -47.03) 12/07/2021   15:01:14  (  68.87, -47.02)    1.75                20
 12/07/2021   15:51:37   ( -68.84, 120.32) 12/07/2021   15:51:45  ( -68.82, 120.28)    2.84                 8
 12/07/2021   16:42:23   (  68.81, -72.34) 12/07/2021   16:42:12  (  68.82, -72.33)    0.93                11
 12/07/2021   17:33:06   ( -68.79,  95.00) 12/07/2021   17:32:42  ( -68.82,  95.04)    3.14                24
 12/07/2021   18:23:52   (  68.77, -97.66) 12/07/2021   18:23:10  (  68.77, -97.64)    0.82                42
 12/07/2021   19:14:35   ( -68.75,  69.69) 12/07/2021   19:13:40  ( -68.77,  69.74)    2.62                55
 12/07/2021   20:05:21   (  68.73,-122.97) 12/07/2021   20:04:08  (  68.72,-122.94)    1.59                73
 12/07/2021   20:55:57   ( -68.33,  44.86) 12/07/2021   20:54:45  ( -68.34,  43.94)   38.03                72