Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and METOP-C
TLE Epoch: 2023 6 7.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2023   09:04:36   ( -73.54,-146.24) 06/08/2023   09:05:42  ( -73.46,-143.12)   99.17                66
 06/08/2023   09:55:17   (  73.29,  21.63) 06/08/2023   09:56:26  (  73.23,  23.71)   66.74                69
 06/08/2023   10:46:00   ( -73.24,-170.96) 06/08/2023   10:47:09  ( -73.19,-169.07)   60.97                69
 06/08/2023   11:36:41   (  72.99,  -3.10) 06/08/2023   11:37:53  (  72.95,  -2.23)   28.37                72
 06/08/2023   12:27:24   ( -72.95, 164.31) 06/08/2023   12:28:37  ( -72.86, 164.89)   21.27                73
 06/08/2023   13:18:06   (  72.74, -27.95) 06/08/2023   13:19:19  (  72.73, -28.05)    3.73                73
 06/08/2023   14:08:50   ( -72.75, 139.35) 06/08/2023   14:10:01  ( -72.73, 139.29)    2.46                71
 06/08/2023   14:59:36   (  72.75, -53.34) 06/08/2023   15:00:40  (  72.75, -53.34)    0.52                64
 06/08/2023   15:50:20   ( -72.75, 113.96) 06/08/2023   15:51:22  ( -72.76, 114.00)    1.52                62
 06/08/2023   16:41:06   (  72.75, -78.72) 06/08/2023   16:42:02  (  72.72, -78.73)    2.98                56
 06/08/2023   17:31:50   ( -72.76,  88.58) 06/08/2023   17:32:44  ( -72.73,  88.61)    3.03                54
 06/08/2023   18:22:36   (  72.76,-104.11) 06/08/2023   18:23:23  (  72.75,-104.02)    3.03                47
 06/08/2023   19:13:18   ( -72.71,  63.30) 06/08/2023   19:14:05  ( -72.71,  63.22)    2.54                47
 06/08/2023   20:04:04   (  72.71,-129.39) 06/08/2023   20:04:44  (  72.72,-129.41)    1.60                40
 06/08/2023   20:54:48   ( -72.72,  37.91) 06/08/2023   20:55:26  ( -72.73,  37.93)    1.81                38
 06/08/2023   21:45:34   (  72.72,-154.78) 06/08/2023   21:46:06  (  72.70,-154.80)    2.29                32
 06/08/2023   22:36:18   ( -72.73,  12.52) 06/08/2023   22:36:48  ( -72.71,  12.54)    1.86                30
 06/08/2023   23:27:04   (  72.72, 179.84) 06/08/2023   23:27:27  (  72.72, 179.91)    2.26                23
 06/09/2023   00:17:47   ( -72.68, -12.76) 06/09/2023   00:18:10  ( -72.68, -12.85)    3.11                23
 06/09/2023   01:08:33   (  72.68, 154.56) 06/09/2023   01:08:49  (  72.70, 154.51)    2.70                16
 06/09/2023   01:59:17   ( -72.69, -38.14) 06/09/2023   01:59:31  ( -72.71, -38.14)    2.65                14
 06/09/2023   02:50:03   (  72.68, 129.17) 06/09/2023   02:50:11  (  72.67, 129.12)    2.02                 8
 06/09/2023   03:40:47   ( -72.69, -63.53) 06/09/2023   03:40:53  ( -72.68, -63.53)    0.77                 6
 06/09/2023   04:31:33   (  72.69, 103.79) 06/09/2023   04:31:32  (  72.70, 103.83)    1.89                 1
 06/09/2023   05:22:17   ( -72.70, -88.91) 06/09/2023   05:22:14  ( -72.71, -88.82)    3.51                 3
 06/09/2023   06:13:03   (  72.69,  78.40) 06/09/2023   06:12:54  (  72.67,  78.44)    2.84                 9
 06/09/2023   07:03:47   ( -72.70,-114.30) 06/09/2023   07:03:36  ( -72.68,-114.21)    3.59                11
 06/09/2023   07:54:32   (  72.65,  53.12) 06/09/2023   07:54:16  (  72.65,  53.05)    2.30                16
 06/09/2023   08:45:16   ( -72.66,-139.58) 06/09/2023   08:44:58  ( -72.66,-139.60)    0.68                18
 06/09/2023   09:36:02   (  72.65,  27.73) 06/09/2023   09:35:37  (  72.67,  27.76)    2.10                25
 06/09/2023   10:26:46   ( -72.66,-164.97) 06/09/2023   10:26:20  ( -72.63,-164.99)    3.31                26
 06/09/2023   11:17:32   (  72.66,   2.35) 06/09/2023   11:16:59  (  72.65,   2.37)    1.78                33
 06/09/2023   12:08:16   ( -72.67, 169.65) 06/09/2023   12:07:41  ( -72.66, 169.72)    2.60                35
 06/09/2023   12:59:01   (  72.61, -22.94) 06/09/2023   12:58:21  (  72.62, -23.02)    2.97                40
 06/09/2023   13:49:45   ( -72.62, 144.37) 06/09/2023   13:49:03  ( -72.63, 144.33)    1.72                42
 06/09/2023   14:40:31   (  72.62, -48.32) 06/09/2023   14:39:42  (  72.64, -48.31)    2.75                49
 06/09/2023   15:31:15   ( -72.63, 118.98) 06/09/2023   15:30:25  ( -72.61, 118.94)    2.63                50
 06/09/2023   16:22:01   (  72.63, -73.71) 06/09/2023   16:21:04  (  72.62, -73.70)    0.77                57
 06/09/2023   17:12:45   ( -72.63,  93.60) 06/09/2023   17:11:46  ( -72.63,  93.65)    1.82                59
 06/09/2023   18:03:31   (  72.63, -99.09) 06/09/2023   18:02:25  (  72.64, -98.99)    3.63                66
 06/09/2023   18:54:14   ( -72.59,  68.31) 06/09/2023   18:53:08  ( -72.61,  68.26)    2.84                66
 06/09/2023   19:45:00   (  72.59,-124.37) 06/09/2023   19:43:47  (  72.62,-124.38)    3.60                73
 06/09/2023   20:35:44   ( -72.59,  42.93) 06/09/2023   20:34:30  ( -72.58,  42.87)    2.35                74
 06/09/2023   21:26:26   (  72.39,-149.35) 06/09/2023   21:25:13  (  72.39,-150.18)   28.04                73
 06/09/2023   22:17:09   ( -72.34,  18.05) 06/09/2023   22:15:57  ( -72.30,  16.97)   36.73                72
 06/09/2023   23:07:49   (  72.03,-174.04) 06/09/2023   23:06:41  (  72.05,-176.17)   73.04                68
 06/09/2023   23:58:32   ( -71.99,  -6.65) 06/09/2023   23:57:24  ( -72.02,  -8.91)   77.80                68