Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 15.  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)
 01/17/2021   03:41:22   ( -79.57,-158.05) 01/17/2021   03:41:08  ( -79.56,-158.15)    2.12                14
 01/17/2021   04:30:41   (  79.82,  11.46) 01/17/2021   04:31:44  (  79.82,  11.49)    0.62                63
 01/19/2021   19:08:28   (  79.39, 148.98) 01/19/2021   19:07:22  (  79.39, 148.89)    1.91                66
 01/19/2021   19:57:47   ( -79.70, -41.19) 01/19/2021   19:57:58  ( -79.71, -41.14)    1.00                11
 01/22/2021   11:24:54   (  79.53, -94.21) 01/22/2021   11:24:13  (  79.53, -94.17)    0.97                41
 01/22/2021   12:14:16   ( -79.73,  74.86) 01/22/2021   12:14:53  ( -79.72,  74.74)    2.52                37
 01/25/2021   03:41:23   (  79.55,  21.83) 01/25/2021   03:41:08  (  79.55,  21.69)    2.85                15
 01/25/2021   04:30:43   ( -79.82,-168.53) 01/25/2021   04:31:45  ( -79.82,-168.53)    0.18                62
 01/27/2021   19:08:31   ( -79.40, -31.00) 01/27/2021   19:07:24  ( -79.39, -31.14)    3.02                67