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: 1/23/2020
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 01/30/2020 14:55:20 79.61, -79.37 99.46 01/30/2020 14:56:25 79.61, -79.30 99.42 1.30 65
2 01/30/2020 15:46:20 -79.61, 87.85 80.56 01/30/2020 15:47:10 -79.62, 87.95 80.58 2.30 50
3 01/30/2020 16:37:20 79.63,-104.67 99.43 01/30/2020 16:37:55 79.62,-104.70 99.41 1.77 35
4 01/30/2020 17:28:20 -79.63, 62.55 80.58 01/30/2020 17:28:40 -79.62, 62.56 80.60 0.62 20
5 01/30/2020 18:19:21 79.62,-130.27 99.42 01/30/2020 18:19:25 79.62,-130.09 99.39 3.58 4
6 01/30/2020 19:10:20 -79.65, 37.25 80.61 01/30/2020 19:10:10 -79.62, 37.16 80.61 3.07 10
7 01/30/2020 20:01:21 79.64,-155.57 99.39 01/30/2020 20:00:55 79.62,-155.48 99.38 2.86 26
8 01/30/2020 20:52:21 -79.64, 11.67 80.63 01/30/2020 20:51:40 -79.63, 11.77 80.63 2.49 41
9 01/30/2020 21:43:22 79.63, 178.84 99.37 01/30/2020 21:42:26 79.65, 178.85 99.42 2.54 56
10 01/30/2020 22:34:21 -79.66, -13.63 80.65 01/30/2020 22:33:10 -79.63, -13.62 80.64 3.17 71

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 1/23/2020
SNOs_Map_NOAA-19_NPP_20200123.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 01/23/2020 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service