Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 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)
 09/27/2021   10:35:44   (  79.21, -83.98) 09/27/2021   10:34:51  (  79.20, -84.05)    1.67                53
 09/27/2021   11:25:03   ( -79.52,  85.74) 09/27/2021   11:25:27  ( -79.53,  85.82)    1.53                24
 09/30/2021   02:52:12   (  79.27,  32.31) 09/30/2021   02:51:45  (  79.27,  32.22)    1.89                27
 09/30/2021   03:41:31   ( -79.59,-157.93) 09/30/2021   03:42:21  ( -79.59,-157.87)    1.35                50
 10/02/2021   19:08:39   (  79.37, 148.81) 10/02/2021   19:08:38  (  79.37, 148.75)    1.27                 1
 10/02/2021   19:56:23   ( -81.80,  -7.31) 10/02/2021   19:57:36  ( -81.30,  -6.88)   56.41                73
 10/05/2021   10:35:46   ( -79.19,  95.91) 10/05/2021   10:34:54  ( -79.19,  95.82)    2.01                52
 10/05/2021   11:25:04   (  79.49, -94.47) 10/05/2021   11:25:29  (  79.49, -94.46)    0.29                25
 10/08/2021   02:52:12   ( -79.31,-147.44) 10/08/2021   02:51:46  ( -79.32,-147.43)    0.31                26
 10/08/2021   03:41:30   (  79.61,  22.22) 10/08/2021   03:42:21  (  79.62,  22.34)    2.69                51
 10/10/2021   18:21:51   (  71.70, 136.33) 10/10/2021   18:20:38  (  72.03, 134.33)   78.48                73
 10/10/2021   19:08:40   ( -79.35, -31.34) 10/10/2021   19:08:41  ( -79.34, -31.47)    2.98                 1