Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 23.  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,  98.09) 12/24/2021   10:34:57  ( -79.53,  98.23)    3.08                34
 12/24/2021   11:24:51   (  79.73, -92.68) 12/24/2021   11:25:35  (  79.73, -92.65)    0.60                44
 12/27/2021   02:51:59   ( -79.49,-146.19) 12/27/2021   02:51:49  ( -79.49,-146.30)    2.45                10
 12/27/2021   03:41:16   (  79.82,  23.84) 12/27/2021   03:42:23  (  79.82,  23.92)    1.48                67
 12/29/2021   18:19:03   (  79.37, 161.21) 12/29/2021   18:17:59  (  79.36, 161.17)    0.94                64
 12/29/2021   19:08:23   ( -79.64, -29.24) 12/29/2021   19:08:36  ( -79.64, -29.22)    0.37                13
 01/01/2022   10:35:29   (  79.43, -82.50) 01/01/2022   10:34:49  (  79.42, -82.62)    2.72                40
 01/01/2022   11:24:49   ( -79.70,  87.08) 01/01/2022   11:25:26  ( -79.69,  87.03)    1.26                37
 01/04/2022   02:51:54   (  79.51,  33.96) 01/04/2022   02:51:38  (  79.50,  33.84)    2.55                16