Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NPP
TLE Epoch: 2022 12 2.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/05/2022   19:12:02   ( -78.63,  44.14) 12/05/2022   19:10:49  ( -78.63,  44.26)    2.60                73
 12/05/2022   20:02:56   (  78.98,-150.78) 12/05/2022   20:01:44  (  78.98,-150.74)    0.83                72
 12/05/2022   20:52:40   ( -77.32,  25.64) 12/05/2022   20:51:46  ( -77.31,  25.75)    2.91                54
 12/05/2022   21:43:39   (  77.91,-169.84) 12/05/2022   21:42:46  (  77.91,-169.79)    1.13                53
 12/05/2022   22:34:22   ( -78.60,  -6.21) 12/05/2022   22:33:48  ( -78.60,  -6.34)    2.83                34
 12/05/2022   23:24:09   (  76.14, 172.23) 12/05/2022   23:23:35  (  76.14, 172.27)    1.18                34
 12/06/2022   00:12:59   ( -71.43,  -8.83) 12/06/2022   00:12:43  ( -71.43,  -8.77)    2.29                16
 12/06/2022   01:04:20   (  73.26, 154.87) 12/06/2022   01:04:05  (  73.26, 154.90)    0.85                15
 12/06/2022   01:52:43   ( -66.82, -27.64) 12/06/2022   01:52:46  ( -66.82, -27.62)    0.71                 3
 12/06/2022   02:43:59   (  68.47, 137.67) 12/06/2022   02:44:03  (  68.47, 137.67)    0.13                 4
 12/06/2022   03:29:34   ( -52.22, -42.36) 12/06/2022   03:29:55  ( -52.22, -42.36)    0.09                21
 12/06/2022   04:22:44   (  60.42, 120.12) 12/06/2022   04:23:07  (  60.43, 120.08)    2.20                23
 12/06/2022   05:33:01   ( -47.52, 127.67) 12/06/2022   05:33:44  ( -47.51, 127.70)    2.64                43
 12/06/2022   06:23:06   (  49.41, -64.19) 12/06/2022   06:23:53  (  49.41, -64.16)    1.68                47
 12/06/2022   07:09:51   ( -62.30, 110.74) 12/06/2022   07:10:53  ( -62.30, 110.75)    0.88                62