Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2021 11 19.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2021   15:56:03   ( -77.45, 100.34) 11/21/2021   15:54:51  ( -77.52,  99.21)   28.36                72
 11/21/2021   16:46:26   (  77.33, -92.75) 11/21/2021   16:45:32  (  77.33, -92.60)    3.75                54
 11/21/2021   17:36:54   ( -77.36,  74.74) 11/21/2021   17:36:17  ( -77.36,  74.57)    4.17                37
 11/21/2021   18:27:15   (  77.33,-117.97) 11/21/2021   18:27:02  (  77.33,-118.00)    1.11                13
 11/21/2021   19:17:44   ( -77.31,  49.33) 11/21/2021   19:17:46  ( -77.32,  49.35)    2.04                 2
 11/21/2021   20:08:04   (  77.32,-143.18) 11/21/2021   20:08:31  (  77.30,-143.22)    3.15                27
 11/21/2021   20:58:33   ( -77.30,  24.10) 11/21/2021   20:59:15  ( -77.29,  24.13)    1.60                42
 11/21/2021   21:48:54   (  77.28,-168.58) 11/21/2021   21:50:01  (  77.30,-168.63)    3.20                67
 11/21/2021   22:39:30   ( -76.94,  -2.56) 11/21/2021   22:40:37  ( -76.95,   0.18)   68.80                67
 12/02/2021   02:17:24   ( -77.37, -55.48) 12/02/2021   02:16:17  ( -77.36, -55.48)    0.62                67
 12/02/2021   03:07:51   (  77.37, 111.92) 12/02/2021   03:07:02  (  77.34, 111.92)    3.14                49
 12/02/2021   03:58:13   ( -77.36, -80.71) 12/02/2021   03:57:46  ( -77.33, -80.70)    3.95                27
 12/02/2021   04:48:41   (  77.33,  86.51) 12/02/2021   04:48:32  (  77.35,  86.51)    2.92                 9
 12/02/2021   05:39:03   ( -77.31,-106.12) 12/02/2021   05:39:16  ( -77.34,-106.10)    2.43                13
 12/02/2021   06:29:30   (  77.32,  61.30) 12/02/2021   06:30:01  (  77.32,  61.30)    0.67                31
 12/02/2021   07:19:52   ( -77.31,-131.35) 12/02/2021   07:20:45  ( -77.30,-131.32)    1.17                53
 12/02/2021   08:10:19   (  77.32,  36.08) 12/02/2021   08:11:30  (  77.28,  36.08)    4.26                71