Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2021 9 15.  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)
 09/15/2021   02:26:36   (  72.68, 135.30) 09/15/2021   02:26:30  (  72.70, 135.27)    2.72                 6
 09/15/2021   03:17:20   ( -72.68, -57.39) 09/15/2021   03:17:12  ( -72.68, -57.44)    1.49                 8
 09/15/2021   04:08:06   (  72.68, 109.91) 09/15/2021   04:07:52  (  72.68, 109.88)    1.11                14
 09/15/2021   04:58:50   ( -72.68, -82.77) 09/15/2021   04:58:34  ( -72.66, -82.82)    3.22                16
 09/15/2021   05:49:36   (  72.69,  84.53) 09/15/2021   05:49:13  (  72.70,  84.60)    3.05                23
 09/15/2021   06:40:20   ( -72.69,-108.16) 09/15/2021   06:39:55  ( -72.69,-108.11)    1.55                25
 09/15/2021   07:31:06   (  72.69,  59.15) 09/15/2021   07:30:35  (  72.68,  59.21)    2.24                31
 09/15/2021   08:21:49   ( -72.64,-133.43) 09/15/2021   08:21:17  ( -72.66,-133.50)    3.21                32
 09/15/2021   09:12:35   (  72.64,  33.87) 09/15/2021   09:11:57  (  72.66,  33.82)    2.28                38
 09/15/2021   10:03:19   ( -72.64,-158.82) 09/15/2021   10:02:39  ( -72.64,-158.89)    2.41                40
 09/15/2021   10:54:05   (  72.65,   8.49) 09/15/2021   10:53:19  (  72.63,   8.43)    2.49                46
 09/15/2021   11:44:49   ( -72.65, 175.80) 09/15/2021   11:44:00  ( -72.67, 175.83)    2.16                49
 09/15/2021   12:35:35   (  72.65, -16.89) 09/15/2021   12:34:40  (  72.66, -16.85)    1.64                55
 09/15/2021   13:26:19   ( -72.65, 150.42) 09/15/2021   13:25:22  ( -72.64, 150.44)    1.28                57
 09/15/2021   14:17:05   (  72.65, -42.27) 09/15/2021   14:16:02  (  72.63, -42.24)    2.38                63
 09/15/2021   15:07:48   ( -72.61, 125.14) 09/15/2021   15:06:44  ( -72.62, 125.05)    3.32                64
 09/15/2021   15:58:34   (  72.61, -67.55) 09/15/2021   15:57:24  (  72.61, -67.63)    2.64                70
 09/15/2021   16:49:18   ( -72.61,  99.76) 09/15/2021   16:48:06  ( -72.59,  99.67)    3.53                72
 09/15/2021   17:40:01   (  72.46, -92.62) 09/15/2021   17:38:48  (  72.48, -93.22)   20.28                73
 09/15/2021   18:30:44   ( -72.41,  74.79) 09/15/2021   18:29:31  ( -72.42,  73.97)   27.42                73
 09/15/2021   19:21:25   (  72.15,-117.40) 09/15/2021   19:20:16  (  72.15,-119.21)   61.69                69
 09/15/2021   20:12:08   ( -72.11,  50.00) 09/15/2021   20:10:59  ( -72.09,  47.99)   68.85                69
 09/15/2021   21:02:49   (  71.85,-142.20) 09/15/2021   21:01:43  (  71.87,-145.08)   99.90                66