Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-19 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/21/2020
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 03/26/2020 16:36:56 -79.24, 74.01 101.05 03/26/2020 16:38:00 -79.25, 78.10 101.53 84.81 64
2 03/26/2020 17:27:44 79.50,-116.27 78.87 03/26/2020 17:28:52 79.47,-116.35 78.83 3.56 68
3 03/26/2020 18:18:48 -79.50, 50.91 101.15 03/26/2020 18:19:37 -79.49, 50.85 101.17 1.52 49
4 03/26/2020 19:09:45 79.49,-141.86 78.85 03/26/2020 19:10:22 79.48,-141.75 78.80 2.96 37
5 03/26/2020 20:00:49 -79.49, 25.31 101.17 03/26/2020 20:01:07 -79.49, 25.45 101.19 2.89 18
6 03/26/2020 20:51:46 79.48,-167.46 78.82 03/26/2020 20:51:53 79.51,-167.42 78.84 3.42 7
7 03/26/2020 21:42:49 -79.51, -0.01 101.21 03/26/2020 21:42:37 -79.50, 0.05 101.21 1.63 12
8 03/26/2020 22:33:46 79.50, 167.23 78.79 03/26/2020 22:33:23 79.52, 167.19 78.81 1.78 23
9 03/26/2020 23:24:49 -79.52, -25.32 101.24 03/26/2020 23:24:07 -79.50, -25.35 101.24 2.92 42
10 03/27/2020 00:15:46 79.52, 141.92 78.75 03/27/2020 00:14:53 79.52, 141.79 78.79 2.71 53
11 03/27/2020 01:06:50 -79.51, -50.92 101.26 03/27/2020 01:05:38 -79.53, -51.02 101.21 2.94 72

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 3/21/2020
SNOs_Map_NOAA-19_NPP_20200321.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 03/21/2020 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service