Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 24.  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   10:35:30   ( -79.52,  98.14) 12/24/2021   10:34:56  ( -79.53,  98.29)    3.15                34
 12/24/2021   11:24:50   (  79.74, -92.62) 12/24/2021   11:25:34  (  79.74, -92.59)    0.69                44
 12/27/2021   02:51:59   ( -79.50,-146.14) 12/27/2021   02:51:49  ( -79.49,-146.25)    2.28                10
 12/27/2021   03:41:16   (  79.82,  23.90) 12/27/2021   03:42:23  (  79.83,  23.98)    1.64                67
 12/29/2021   18:19:03   (  79.37, 161.25) 12/29/2021   18:17:59  (  79.37, 161.23)    0.67                64
 12/29/2021   19:08:23   ( -79.65, -29.20) 12/29/2021   19:08:36  ( -79.65, -29.17)    0.66                13
 01/01/2022   10:35:29   (  79.43, -82.46) 01/01/2022   10:34:49  (  79.42, -82.57)    2.26                40
 01/01/2022   11:24:49   ( -79.70,  87.12) 01/01/2022   11:25:26  ( -79.70,  87.08)    0.80                37
 01/04/2022   02:51:53   (  79.51,  33.98) 01/04/2022   02:51:37  (  79.51,  33.89)    1.88                16
 01/04/2022   03:41:13   ( -79.78,-156.40) 01/04/2022   03:42:14  ( -79.78,-156.41)    0.26                61
 01/06/2022   18:18:59   ( -79.33, -19.02) 01/06/2022   18:17:50  ( -79.32, -19.16)    2.97                69