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: 4/18/2024
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 04/19/2024 05:42:42 -70.80, -90.36 120.60 04/19/2024 05:43:51 -70.74, -88.76 120.71 59.10 69
2 04/19/2024 06:33:16 70.15, 77.97 58.72 04/19/2024 06:33:27 70.14, 78.00 58.70 2.21 11
3 04/19/2024 07:23:57 -70.02,-114.50 121.44 04/19/2024 07:22:57 -70.02,-114.52 121.42 1.22 60
4 04/21/2024 21:59:26 -70.21, 26.34 122.12 04/21/2024 22:00:24 -70.24, 26.39 122.11 3.33 58
5 04/21/2024 22:50:10 70.10,-166.17 57.75 04/21/2024 22:49:52 70.07,-166.20 57.72 3.18 18
6 04/21/2024 23:40:41 -69.42, 2.14 122.96 04/21/2024 23:39:31 -69.46, 0.60 122.88 60.17 70
7 04/24/2024 14:16:19 -70.16, 142.18 123.06 04/24/2024 14:16:47 -70.16, 142.19 123.07 0.28 28
8 04/24/2024 15:07:03 70.05, -50.34 56.82 04/24/2024 15:06:14 70.05, -50.33 56.81 0.81 49
9 04/27/2024 05:42:31 70.23, 90.53 56.16 04/27/2024 05:43:39 70.24, 90.58 56.16 2.15 68
10 04/27/2024 06:33:13 -70.13,-102.00 123.96 04/27/2024 06:33:09 -70.14,-101.94 123.96 2.16 4
11 04/27/2024 07:23:52 69.76, 65.87 55.65 04/27/2024 07:22:40 69.80, 65.23 55.71 24.94 72
12 04/29/2024 21:59:24 70.17,-153.60 55.26 04/29/2024 22:00:01 70.15,-153.64 55.24 2.48 37
13 04/29/2024 22:50:06 -70.07, 13.87 124.86 04/29/2024 22:49:31 -70.05, 13.84 124.88 2.68 35

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/18/2024
SNOs_Map_NPP_LANDSAT-9_20240418.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/18/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9