Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 31.  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)
 04/01/2021   19:58:00   (  79.55, 137.53) 04/01/2021   19:57:51  (  79.56, 137.66)    2.95                 9
 04/01/2021   20:47:23   ( -79.70, -53.72) 04/01/2021   20:48:32  ( -79.69, -53.84)    2.52                69
 04/04/2021   11:25:09   ( -79.31,  84.19) 04/04/2021   11:24:08  ( -79.31,  84.14)    1.07                61
 04/04/2021   12:14:29   (  79.54,-106.66) 04/04/2021   12:14:46  (  79.53,-106.80)    2.91                17
 04/07/2021   03:41:35   ( -79.42,-159.25) 04/07/2021   03:40:59  ( -79.42,-159.25)    0.04                36
 04/07/2021   04:30:55   (  79.63,   9.91) 04/07/2021   04:31:37  (  79.63,   9.82)    1.76                42
 04/09/2021   19:58:00   ( -79.51, -42.71) 04/09/2021   19:57:49  ( -79.52, -42.64)    1.62                11
 04/09/2021   20:47:20   (  79.72, 126.45) 04/09/2021   20:48:27  (  79.72, 126.45)    0.05                67
 04/12/2021   11:25:04   (  79.39, -95.27) 04/12/2021   11:24:01  (  79.40, -95.13)    3.06                63