Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 29.  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)
 12/29/2021   18:19:03   (  79.36, 161.15) 12/29/2021   18:17:59  (  79.36, 161.13)    0.41                64
 12/29/2021   19:08:22   ( -79.66, -29.07) 12/29/2021   19:08:35  ( -79.66, -29.02)    1.04                13
 01/01/2022   10:35:29   (  79.41, -82.58) 01/01/2022   10:34:49  (  79.41, -82.67)    1.88                40
 01/01/2022   11:24:48   ( -79.72,  87.24) 01/01/2022   11:25:25  ( -79.72,  87.23)    0.43                37
 01/04/2022   02:51:53   (  79.53,  34.14) 01/04/2022   02:51:37  (  79.53,  34.07)    1.38                16
 01/04/2022   03:41:13   ( -79.80,-156.26) 01/04/2022   03:42:14  ( -79.80,-156.24)    0.41                61
 01/06/2022   18:19:00   ( -79.31, -19.15) 01/06/2022   18:17:51  ( -79.30, -19.26)    2.35                69
 01/06/2022   19:08:17   (  79.64, 150.77) 01/06/2022   19:08:25  (  79.64, 150.82)    1.12                 8
 01/09/2022   10:35:20   ( -79.51,  98.15) 01/09/2022   10:34:35  ( -79.52,  98.25)    2.10                45