Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 27.  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)
 03/27/2021   11:25:09   (  79.30, -95.89) 03/27/2021   11:24:11  (  79.29, -96.02)    2.80                58
 03/27/2021   12:14:29   ( -79.57,  73.59) 03/27/2021   12:14:48  ( -79.57,  73.50)    1.83                19
 03/30/2021   03:41:33   (  79.49,  21.27) 03/30/2021   03:40:59  (  79.50,  21.42)    3.18                34
 03/30/2021   04:30:56   ( -79.65,-169.98) 03/30/2021   04:31:40  ( -79.64,-170.09)    2.34                44
 04/01/2021   19:58:03   (  79.45, 136.85) 04/01/2021   19:57:55  (  79.44, 136.71)    2.92                 8
 04/01/2021   20:47:23   ( -79.72, -53.58) 04/01/2021   20:48:32  ( -79.71, -53.68)    2.06                69
 04/04/2021   11:25:08   ( -79.33,  84.31) 04/04/2021   11:24:07  ( -79.33,  84.30)    0.11                61
 04/04/2021   12:14:28   (  79.55,-106.57) 04/04/2021   12:14:45  (  79.55,-106.66)    1.85                17
 04/07/2021   03:41:34   ( -79.43,-159.15) 04/07/2021   03:40:58  ( -79.44,-159.08)    1.63                36
 04/07/2021   04:30:54   (  79.64,   9.99) 04/07/2021   04:31:36  (  79.65,   9.98)    0.22                42
 04/09/2021   19:58:02   ( -79.45, -43.15) 04/09/2021   19:57:52  ( -79.44, -43.26)    2.28                10