Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2021 6 29.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2021   03:29:06   (  72.68, 119.61) 06/29/2021   03:29:15  (  72.69, 119.53)    3.25                 9
 06/29/2021   04:19:49   ( -72.64, -73.14) 06/29/2021   04:19:58  ( -72.64, -73.06)    2.62                 9
 06/29/2021   05:10:28   (  72.66,  94.23) 06/29/2021   05:10:44  (  72.64,  94.25)    1.77                16
 06/29/2021   06:01:10   ( -72.67, -98.41) 06/29/2021   06:01:28  ( -72.65, -98.44)    2.78                18
 06/29/2021   06:51:50   (  72.64,  68.85) 06/29/2021   06:52:14  (  72.64,  68.87)    1.06                24
 06/29/2021   07:42:32   ( -72.65,-123.80) 06/29/2021   07:42:58  ( -72.65,-123.82)    0.84                26
 06/29/2021   08:33:12   (  72.62,  43.47) 06/29/2021   08:33:44  (  72.65,  43.49)    3.32                32
 06/29/2021   09:23:54   ( -72.63,-149.18) 06/29/2021   09:24:28  ( -72.65,-149.20)    2.33                34
 06/29/2021   10:14:33   (  72.65,  18.20) 06/29/2021   10:15:14  (  72.65,  18.12)    2.67                41
 06/29/2021   11:05:16   ( -72.61,-174.56) 06/29/2021   11:05:57  ( -72.60,-174.47)    2.89                41
 06/29/2021   11:55:55   (  72.63,  -7.18) 06/29/2021   11:56:43  (  72.60,  -7.16)    3.30                48
 06/29/2021   12:46:38   ( -72.59, 160.07) 06/29/2021   12:47:27  ( -72.60, 160.15)    3.08                49
 06/29/2021   13:37:17   (  72.61, -32.56) 06/29/2021   13:38:13  (  72.60, -32.54)    1.14                56
 06/29/2021   14:27:59   ( -72.62, 134.79) 06/29/2021   14:28:57  ( -72.61, 134.77)    1.93                58
 06/29/2021   15:18:39   (  72.59, -57.94) 06/29/2021   15:19:43  (  72.60, -57.92)    1.91                64
 06/29/2021   16:09:21   ( -72.60, 109.41) 06/29/2021   16:10:27  ( -72.61, 109.39)    0.88                66
 06/29/2021   17:00:00   (  72.62, -83.22) 06/29/2021   17:01:13  (  72.61, -83.30)    2.94                73
 06/29/2021   17:50:43   ( -72.58,  84.03) 06/29/2021   17:51:57  ( -72.61,  84.01)    3.10                74
 06/29/2021   18:41:27   (  72.34,-109.11) 06/29/2021   18:42:39  (  72.40,-108.27)   29.31                72
 06/29/2021   19:32:10   ( -72.31,  58.14) 06/29/2021   19:33:22  ( -72.36,  59.14)   34.23                72
 06/29/2021   20:22:55   (  72.02,-135.09) 06/29/2021   20:24:03  (  72.10,-133.04)   70.58                68
 06/29/2021   21:13:38   ( -71.98,  32.17) 06/29/2021   21:14:46  ( -72.05,  34.36)   75.47                68