Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 22.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2021   10:35:31   ( -79.51,  98.08) 12/24/2021   10:34:57  ( -79.52,  98.22)    2.96                34
 12/24/2021   11:24:51   (  79.73, -92.70) 12/24/2021   11:25:35  (  79.73, -92.67)    0.50                44
 12/27/2021   02:52:00   ( -79.49,-146.18) 12/27/2021   02:51:50  ( -79.49,-146.32)    2.81                10
 12/27/2021   03:41:17   (  79.82,  23.84) 12/27/2021   03:42:24  (  79.82,  23.90)    1.14                67
 12/29/2021   18:19:04   (  79.33, 160.96) 12/29/2021   18:18:00  (  79.32, 160.88)    1.69                64
 12/29/2021   19:08:23   ( -79.64, -29.22) 12/29/2021   19:08:36  ( -79.64, -29.24)    0.49                13
 01/01/2022   10:35:27   (  79.51, -81.95) 01/01/2022   10:34:46  (  79.51, -81.83)    2.37                41
 01/01/2022   11:24:50   ( -79.67,  86.85) 01/01/2022   11:25:27  ( -79.66,  86.73)    2.56                37
 01/04/2022   02:51:52   (  79.59,  34.55) 01/04/2022   02:51:35  (  79.60,  34.64)    1.86                17