Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2021 11 30.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/01/2021   13:35:11   (  77.27, -44.73) 12/01/2021   13:35:02  (  77.26, -44.74)    1.10                 9
 12/03/2021   18:02:11   (  77.28,-111.37) 12/03/2021   18:01:26  (  77.28,-111.43)    1.64                45
 12/03/2021   18:51:02   ( -77.20,  56.11) 12/03/2021   18:52:09  ( -77.23,  56.11)    3.67                67
 12/05/2021   22:29:05   (  77.52,-176.97) 12/05/2021   22:27:55  (  77.52,-179.08)   50.64                70
 12/05/2021   23:17:53   ( -77.23, -10.37) 12/05/2021   23:18:32  ( -77.21, -10.40)    2.51                39
 12/08/2021   03:44:45   ( -77.22, -77.06) 12/08/2021   03:44:56  ( -77.23, -77.09)    2.03                11
 12/08/2021   04:34:32   (  77.21,  90.47) 12/08/2021   04:35:41  (  77.21,  90.33)    3.67                69
 12/10/2021   08:11:37   ( -77.20,-143.74) 12/10/2021   08:11:19  ( -77.21,-143.61)    3.56                18
 12/10/2021   09:01:31   (  77.19,  23.77) 12/10/2021   09:02:04  (  77.19,  23.80)    0.86                33
 12/12/2021   12:38:28   ( -77.23, 149.78) 12/12/2021   12:37:43  ( -77.24, 149.68)    2.53                45