Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP TLE Epoch: 2018 12 23. Predictions up to the next 14.0 days: Date Time(GOES-15) GOES-15 Lat/Lon NPP Lat/Lon Distance(km) Time Diff(sec) 12/23/2018 22:15:11 ( 0.04,-128.54) ( -0.91,-132.74) 478.27 80 12/24/2018 21:59:07 ( 0.03,-128.54) ( 0.12,-128.21) 37.72 80 12/27/2018 09:59:30 ( -0.03,-128.62) ( 0.03,-128.95) 37.16 80 12/28/2018 09:43:24 ( -0.03,-128.61) ( -0.95,-124.41) 478.25 80 12/29/2018 22:02:40 ( 0.04,-128.49) ( -0.22,-129.72) 140.51 80 12/30/2018 21:46:35 ( 0.03,-128.48) ( 0.75,-125.18) 375.07 80 01/01/2019 10:05:43 ( -0.05,-128.57) ( 0.38,-130.46) 215.40 80 01/02/2019 09:49:38 ( -0.04,-128.56) ( -0.60,-125.92) 299.73 80 01/03/2019 22:08:54 ( 0.05,-128.42) ( -0.56,-131.23) 320.08 80 01/04/2019 21:52:49 ( 0.04,-128.40) ( 0.42,-126.69) 194.94 80 01/06/2019 10:11:57 ( -0.05,-128.50) ( 0.72,-131.97) 396.02 80