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: 7/9/2023
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 07/10/2023 16:17:50 -74.70, 100.80 126.90 07/10/2023 16:18:59 -74.78, 102.87 127.01 61.26 69
2 07/10/2023 17:08:45 75.11, -90.73 53.40 07/10/2023 17:09:52 75.12, -90.77 53.39 1.47 67
3 07/10/2023 17:59:40 -75.12, 76.56 126.59 07/10/2023 18:00:36 -75.12, 76.54 126.60 0.83 56
4 07/10/2023 18:50:44 75.11,-116.23 53.41 07/10/2023 18:51:22 75.12,-116.16 53.41 2.41 38
5 07/10/2023 19:41:39 -75.12, 51.07 126.58 07/10/2023 19:42:06 -75.13, 51.15 126.59 2.39 27
6 07/10/2023 20:32:42 75.16,-141.58 53.46 07/10/2023 20:32:52 75.13,-141.55 53.42 3.46 10
7 07/10/2023 21:23:37 -75.17, 25.72 126.54 07/10/2023 21:23:37 -75.18, 25.63 126.52 2.98 0
8 07/10/2023 22:14:41 75.16,-167.07 53.47 07/10/2023 22:14:23 75.18,-167.07 53.49 2.39 18
9 07/10/2023 23:05:36 -75.17, 0.23 126.53 07/10/2023 23:05:07 -75.18, 0.24 126.51 1.67 29
10 07/10/2023 23:56:39 75.20, 167.58 53.51 07/10/2023 23:55:53 75.18, 167.54 53.51 2.55 46
11 07/11/2023 00:47:34 -75.21, -25.12 126.48 07/11/2023 00:46:37 -75.18, -25.15 126.49 3.17 57
12 07/11/2023 01:38:38 75.20, 142.09 53.52 07/11/2023 01:37:23 75.19, 142.16 53.52 2.76 75
13 07/11/2023 02:29:24 -75.62, -49.27 126.17 07/11/2023 02:28:16 -75.61, -51.82 125.98 70.41 68

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 7/9/2023
SNOs_Map_NOAA-19_NPP_20230709.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 07/09/2023 in txt file.

Historial Predications of SNOs between NOAA-19 and NPP