Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 12 15.  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)
 12/16/2021   10:35:32   (  79.43, -82.49) 12/16/2021   10:35:09  (  79.42, -82.64)    3.12                23
 12/16/2021   11:24:52   ( -79.70,  87.05) 12/16/2021   11:25:46  ( -79.69,  86.95)    2.21                54
 12/19/2021   02:51:59   (  79.53,  34.05) 12/19/2021   02:51:58  (  79.52,  33.95)    2.08                 1
 12/19/2021   03:40:06   ( -81.65,-131.03) 12/19/2021   03:41:20  ( -81.27,-130.65)   42.09                74
 12/21/2021   18:19:05   ( -79.44, -18.34) 12/21/2021   18:18:08  ( -79.44, -18.24)    2.16                57
 12/21/2021   19:08:25   (  79.65, 150.83) 12/21/2021   19:08:46  (  79.65, 150.82)    0.38                21
 12/24/2021   10:35:34   ( -79.45,  97.61) 12/24/2021   10:35:00  ( -79.44,  97.53)    1.69                34
 12/24/2021   11:24:51   (  79.74, -92.68) 12/24/2021   11:25:34  (  79.74, -92.58)    2.25                43
 12/27/2021   02:51:59   ( -79.56,-145.69) 12/27/2021   02:51:47  ( -79.57,-145.62)    1.59                12