Simultaneous Nadir Overpasses (SNOs) between METOP-A and NPP
TLE Epoch: 2021 11 29.  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)
 11/29/2021   08:18:56   ( -77.30,-145.66) 11/29/2021   08:17:53  ( -77.29,-145.55)    2.95                63
 11/29/2021   09:08:14   (  77.25,  21.81) 11/29/2021   09:08:38  (  77.26,  21.89)    2.22                24
 12/01/2021   15:17:08   (  77.29, -70.15) 12/01/2021   15:16:32  (  77.28, -70.20)    1.28                36
 12/01/2021   16:06:11   ( -77.23,  97.33) 12/01/2021   16:07:15  ( -77.23,  97.33)    0.88                64
 12/03/2021   22:14:57   ( -77.24,   5.31) 12/03/2021   22:15:09  ( -77.26,   5.24)    2.50                12
 12/03/2021   23:04:39   (  76.88, 171.47) 12/03/2021   23:05:47  (  76.93, 173.94)   62.45                68
 12/06/2021   04:23:43   ( -77.26, -86.73) 12/06/2021   04:23:02  ( -77.25, -86.68)    1.85                41
 12/06/2021   05:13:25   (  77.24,  80.78) 12/06/2021   05:13:47  (  77.22,  80.75)    2.22                22
 12/08/2021   11:22:19   (  77.23, -11.40) 12/08/2021   11:21:41  (  77.25, -11.37)    3.10                38
 12/10/2021   18:19:44   ( -77.18,  64.17) 12/10/2021   18:20:17  ( -77.19,  64.25)    1.88                33
 12/10/2021   19:09:48   (  76.84,-129.67) 12/10/2021   19:10:56  (  76.91,-127.27)   61.23                68
 12/13/2021   00:28:30   ( -77.20, -27.86) 12/13/2021   00:28:11  ( -77.22, -27.88)    2.61                19