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: 4/18/2020
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 04/23/2020 18:43:53 79.41,-135.05 68.35 04/23/2020 18:44:59 79.41,-134.88 68.30 3.39 66
2 04/23/2020 19:34:49 -79.44, 32.47 111.67 04/23/2020 19:35:44 -79.42, 32.35 111.70 3.04 55
3 04/23/2020 20:25:53 79.43,-160.37 68.32 04/23/2020 20:26:29 79.41,-160.28 68.28 2.54 36
4 04/23/2020 21:16:50 -79.43, 6.86 111.69 04/23/2020 21:17:14 -79.42, 6.95 111.72 1.84 24
5 04/23/2020 22:07:54 79.42, 174.03 68.30 04/23/2020 22:08:00 79.45, 174.05 68.32 3.39 6
6 04/23/2020 22:58:50 -79.45, -18.46 111.72 04/23/2020 22:58:44 -79.43, -18.45 111.74 2.05 6
7 04/23/2020 23:49:54 79.44, 148.71 68.27 04/23/2020 23:49:30 79.45, 148.64 68.30 2.17 24
8 04/24/2020 00:40:51 -79.43, -44.06 111.74 04/24/2020 00:40:15 -79.46, -44.12 111.70 3.41 36
9 04/24/2020 01:31:54 79.46, 123.39 68.24 04/24/2020 01:31:00 79.46, 123.24 68.28 3.07 54
10 04/24/2020 02:22:51 -79.45, -69.39 111.77 04/24/2020 02:21:45 -79.47, -69.52 111.72 3.13 66

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 4/18/2020
SNOs_Map_NOAA-19_NPP_20200419.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 04/18/2020 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service