Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/3/2024
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 05/05/2024 05:42:31 -70.54, -89.94 125.93 05/05/2024 05:43:43 -70.42, -89.22 126.07 30.17 72
2 05/05/2024 06:33:09 70.12, 78.03 53.63 05/05/2024 06:33:14 70.10, 77.96 53.61 3.45 5
3 05/05/2024 07:23:51 -70.02,-114.51 126.48 05/05/2024 07:22:43 -70.04,-114.49 126.46 1.97 68
4 05/07/2024 21:59:18 -70.20, 26.37 127.03 05/07/2024 22:00:14 -70.20, 26.34 127.03 1.28 56
5 05/07/2024 22:50:02 70.09,-166.16 52.86 05/07/2024 22:49:41 70.09,-166.17 52.85 0.97 21
6 05/07/2024 23:40:31 -69.31, 2.31 127.96 05/07/2024 23:39:22 -69.37, 0.48 127.85 72.17 69
7 05/10/2024 14:16:11 -70.18, 142.18 127.75 05/10/2024 14:16:41 -70.16, 142.17 127.78 2.25 30
8 05/10/2024 15:06:54 70.03, -50.28 52.08 05/10/2024 15:06:08 70.05, -50.34 52.11 3.33 46
9 05/13/2024 05:42:24 70.38, 90.32 51.80 05/13/2024 05:43:36 70.31, 90.64 51.71 14.37 72
10 05/13/2024 06:33:03 -70.12,-101.95 128.49 05/13/2024 06:33:07 -70.15,-101.96 128.46 3.58 4
11 05/13/2024 07:23:46 70.02, 65.51 51.41 05/13/2024 07:22:33 70.03, 65.52 51.42 1.57 73
12 05/15/2024 21:59:13 70.23,-153.66 51.00 05/15/2024 22:00:02 70.21,-153.61 50.98 2.32 49
13 05/15/2024 22:49:55 -70.12, 13.83 129.12 05/15/2024 22:49:32 -70.11, 13.88 129.13 1.92 23

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/3/2024
SNOs_Map_NPP_LANDSAT-9_20240503.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/03/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9