Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2025 8 10.  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   (  70.21, 122.23) 08/20/2025   03:34:27  (  70.21, 120.84)   52.66                70
 08/20/2025   04:26:29   ( -70.61, -71.08) 08/20/2025   04:25:14  ( -70.64, -71.19)    5.00                75
 08/20/2025   05:17:16   (  70.69,  96.10) 08/20/2025   05:16:14  (  70.69,  96.16)    2.12                62
 08/20/2025   06:08:01   ( -70.72, -96.63) 08/20/2025   06:07:09  ( -70.71, -96.55)    3.30                52
 08/20/2025   06:58:46   (  70.70,  70.71) 08/20/2025   06:58:10  (  70.71,  70.70)    1.53                36
 08/20/2025   07:49:31   ( -70.73,-122.02) 08/20/2025   07:49:05  ( -70.73,-122.00)    0.46                26
 08/20/2025   08:40:17   (  70.76,  45.24) 08/20/2025   08:40:06  (  70.73,  45.25)    3.01                11
 08/20/2025   09:31:01   ( -70.73,-147.40) 08/20/2025   09:31:01  ( -70.74,-147.46)    2.47                 0
 08/20/2025   10:21:47   (  70.76,  19.86) 08/20/2025   10:22:02  (  70.75,  19.80)    2.84                15
 08/20/2025   11:12:32   ( -70.79,-172.87) 08/20/2025   11:12:56  ( -70.81,-172.82)    3.28                24
 08/20/2025   12:03:18   (  70.82,  -5.61) 08/20/2025   12:03:57  (  70.82,  -5.57)    1.62                39
 08/20/2025   12:54:03   ( -70.85, 161.66) 08/20/2025   12:54:52  ( -70.83, 161.73)    3.01                49
 08/20/2025   13:44:48   (  70.83, -30.99) 08/20/2025   13:45:53  (  70.84, -31.02)    1.35                65
 08/20/2025   14:35:34   ( -70.91, 136.19) 08/20/2025   14:36:47  ( -70.90, 136.37)    6.42                73
 08/20/2025   15:26:30   (  71.46, -57.45) 08/20/2025   15:27:38  (  71.42, -55.46)   70.48                68