Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2023 12 18.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2023   15:00:12   ( -73.51, 121.81) 12/21/2023   15:01:17  ( -73.54, 124.94)   98.69                65
 12/21/2023   15:51:00   (  73.88, -70.00) 12/21/2023   15:52:11  (  73.95, -68.72)   39.99                71
 12/21/2023   16:41:57   ( -74.16,  97.97) 12/21/2023   16:43:00  ( -74.19,  97.99)    3.28                63
 12/21/2023   17:32:52   (  74.20, -94.66) 12/21/2023   17:33:46  (  74.20, -94.73)    2.02                54
 12/21/2023   18:23:55   ( -74.19,  72.55) 12/21/2023   18:24:30  ( -74.20,  72.60)    1.90                35
 12/21/2023   19:14:50   (  74.22,-120.08) 12/21/2023   19:15:16  (  74.21,-120.12)    1.82                26
 12/21/2023   20:05:53   ( -74.21,  47.13) 12/21/2023   20:06:00  ( -74.21,  47.20)    2.35                 7
 12/21/2023   20:56:48   (  74.25,-145.51) 12/21/2023   20:56:46  (  74.22,-145.52)    3.32                 2
 12/21/2023   21:47:51   ( -74.24,  21.71) 12/21/2023   21:47:31  ( -74.26,  21.68)    2.79                20
 12/21/2023   22:38:46   (  74.28,-170.93) 12/21/2023   22:38:17  (  74.28,-171.04)    3.35                29
 12/21/2023   23:29:49   ( -74.27,  -3.71) 12/21/2023   23:29:01  ( -74.27,  -3.71)    0.71                48
 12/22/2023   00:20:44   (  74.30, 163.65) 12/22/2023   00:19:47  (  74.29, 163.56)    3.04                57
 12/22/2023   01:11:47   ( -74.29, -29.13) 12/22/2023   01:10:31  ( -74.28, -29.11)    1.46                76
 12/22/2023   02:02:34   (  74.71, 139.30) 12/22/2023   02:01:25  (  74.68, 137.14)   63.38                69