Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2021 10 22.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2021   12:49:12   ( -73.51, 157.97) 11/04/2021   12:50:17  ( -73.46, 161.11)   99.41                65
 11/04/2021   13:39:52   (  73.22, -34.07) 11/04/2021   13:41:01  (  73.19, -32.15)   61.90                69
 11/04/2021   14:30:35   ( -73.16, 133.38) 11/04/2021   14:31:45  ( -73.14, 135.06)   54.12                70
 11/04/2021   15:21:16   (  72.92, -58.79) 11/04/2021   15:22:29  (  72.87, -58.18)   20.66                73
 11/04/2021   16:12:00   ( -72.91, 108.55) 11/04/2021   16:13:13  ( -72.82, 109.03)   18.89                73
 11/04/2021   17:02:43   (  72.77, -83.84) 11/04/2021   17:03:53  (  72.75, -83.77)    3.10                70
 11/04/2021   17:53:27   ( -72.76,  83.49) 11/04/2021   17:54:36  ( -72.75,  83.54)    2.19                69
 11/04/2021   18:44:12   (  72.72,-109.11) 11/04/2021   18:45:15  (  72.73,-109.15)    1.96                63
 11/04/2021   19:34:56   ( -72.71,  58.22) 11/04/2021   19:35:58  ( -72.73,  58.16)    2.85                62
 11/04/2021   20:25:42   (  72.72,-134.49) 11/04/2021   20:26:37  (  72.71,-134.53)    1.62                55
 11/04/2021   21:16:26   ( -72.71,  32.85) 11/04/2021   21:17:20  ( -72.71,  32.78)    2.08                54
 11/04/2021   22:07:12   (  72.72,-159.86) 11/04/2021   22:07:59  (  72.69,-159.91)    3.30                47
 11/04/2021   22:57:56   ( -72.71,   7.47) 11/04/2021   22:58:42  ( -72.69,   7.40)    3.16                46
 11/04/2021   23:48:41   (  72.72, 174.76) 11/04/2021   23:49:19  (  72.72, 174.81)    1.77                38
 11/05/2021   00:39:25   ( -72.71, -17.90) 11/05/2021   00:40:02  ( -72.72, -17.87)    1.63                37
 11/05/2021   01:30:11   (  72.72, 149.39) 11/05/2021   01:30:41  (  72.70, 149.43)    2.13                30