Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 8.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2025   03:35:37   (  70.19, 122.26) 08/20/2025   03:34:27  (  70.19, 120.81)   54.79                70
 08/20/2025   04:26:29   ( -70.59, -71.04) 08/20/2025   04:25:15  ( -70.57, -71.29)    9.39                74
 08/20/2025   05:17:16   (  70.67,  96.13) 08/20/2025   05:16:14  (  70.68,  96.13)    0.46                62
 08/20/2025   06:08:01   ( -70.70, -96.60) 08/20/2025   06:07:09  ( -70.69, -96.57)    0.95                52
 08/20/2025   06:58:46   (  70.68,  70.75) 08/20/2025   06:58:10  (  70.70,  70.68)    3.16                36
 08/20/2025   07:49:31   ( -70.70,-121.98) 08/20/2025   07:49:05  ( -70.71,-122.02)    1.99                26
 08/20/2025   08:40:17   (  70.74,  45.28) 08/20/2025   08:40:06  (  70.71,  45.22)    3.19                11
 08/20/2025   09:31:02   ( -70.76,-147.45) 08/20/2025   09:31:01  ( -70.73,-147.47)    3.29                 1
 08/20/2025   10:21:48   (  70.79,  19.81) 08/20/2025   10:22:01  (  70.78,  19.86)    2.30                13
 08/20/2025   11:12:33   ( -70.82,-172.92) 08/20/2025   11:12:56  ( -70.80,-172.84)    3.42                23
 08/20/2025   12:03:18   (  70.80,  -5.58) 08/20/2025   12:03:57  (  70.80,  -5.59)    0.57                39
 08/20/2025   12:54:03   ( -70.82, 161.70) 08/20/2025   12:54:52  ( -70.82, 161.71)    0.54                49
 08/20/2025   13:44:48   (  70.81, -30.96) 08/20/2025   13:45:53  (  70.82, -31.04)    3.44                65
 08/20/2025   14:35:34   ( -70.88, 136.23) 08/20/2025   14:36:47  ( -70.89, 136.35)    4.51                73
 08/20/2025   15:26:30   (  71.44, -57.42) 08/20/2025   15:27:39  (  71.35, -55.58)   65.66                69