Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2021 12 27.  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)
 12/27/2021   03:36:37   (  72.67, 117.98) 12/27/2021   03:36:46  (  72.68, 117.90)    2.89                 9
 12/27/2021   04:27:21   ( -72.68, -74.74) 12/27/2021   04:27:27  ( -72.67, -74.79)    2.48                 6
 12/27/2021   05:18:07   (  72.68,  92.58) 12/27/2021   05:18:08  (  72.66,  92.52)    3.12                 1
 12/27/2021   06:08:51   ( -72.69,-100.13) 12/27/2021   06:08:48  ( -72.70,-100.07)    2.19                 3
 12/27/2021   06:59:37   (  72.69,  67.19) 12/27/2021   06:59:29  (  72.69,  67.24)    1.70                 8
 12/27/2021   07:50:20   ( -72.65,-125.42) 12/27/2021   07:50:10  ( -72.68,-125.45)    3.20                10
 12/27/2021   08:41:06   (  72.65,  41.90) 12/27/2021   08:40:51  (  72.67,  41.86)    2.85                15
 12/27/2021   09:31:50   ( -72.66,-150.81) 12/27/2021   09:31:32  ( -72.66,-150.83)    0.50                18
 12/27/2021   10:22:36   (  72.66,  16.51) 12/27/2021   10:22:13  (  72.65,  16.48)    1.16                23
 12/27/2021   11:13:20   ( -72.67,-176.21) 12/27/2021   11:12:54  ( -72.64,-176.21)    3.45                26
 12/27/2021   12:04:06   (  72.67,  -8.89) 12/27/2021   12:03:34  (  72.68,  -8.80)    3.43                32
 12/27/2021   12:54:49   ( -72.63, 158.50) 12/27/2021   12:54:16  ( -72.62, 158.41)    3.17                33
 12/27/2021   13:45:35   (  72.63, -34.18) 12/27/2021   13:44:57  (  72.61, -34.28)    3.83                38
 12/27/2021   14:36:19   ( -72.64, 133.11) 12/27/2021   14:35:37  ( -72.65, 133.14)    1.58                42
 12/27/2021   15:27:05   (  72.64, -59.57) 12/27/2021   15:26:18  (  72.64, -59.56)    0.81                47
 12/27/2021   16:17:49   ( -72.65, 107.71) 12/27/2021   16:16:59  ( -72.63, 107.76)    2.40                50
 12/27/2021   17:08:35   (  72.65, -84.97) 12/27/2021   17:07:40  (  72.62, -84.94)    2.83                55
 12/27/2021   17:59:18   ( -72.61,  82.42) 12/27/2021   17:58:21  ( -72.61,  82.38)    1.65                57
 12/27/2021   18:50:04   (  72.60,-110.26) 12/27/2021   18:49:02  (  72.60,-110.32)    2.08                62
 12/27/2021   19:40:48   ( -72.62,  57.03) 12/27/2021   19:39:43  ( -72.59,  57.00)    3.09                65
 12/27/2021   20:31:34   (  72.61,-135.65) 12/27/2021   20:30:23  (  72.63,-135.59)    2.76                71
 12/27/2021   21:22:18   ( -72.63,  31.64) 12/27/2021   21:21:04  ( -72.62,  31.72)    2.80                74
 12/27/2021   22:13:00   (  72.47,-160.74) 12/27/2021   22:11:47  (  72.46,-161.28)   18.42                73
 12/27/2021   23:03:42   ( -72.38,   6.75) 12/27/2021   23:02:29  ( -72.40,   5.93)   27.73                73
 12/27/2021   23:54:24   (  72.17, 174.47) 12/27/2021   23:53:14  (  72.18, 172.83)   55.84                70
 12/28/2021   00:45:06   ( -72.09, -18.04) 12/28/2021   00:43:57  ( -72.08, -20.04)   68.41                69
 12/28/2021   01:35:48   (  71.88, 149.67) 12/28/2021   01:34:42  (  71.85, 146.87)   96.79                66