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: 2/22/2024
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 02/23/2024 06:32:54 -70.13,-101.88 99.84 02/23/2024 06:33:44 -70.13,-101.96 99.85 2.80 50
2 02/23/2024 07:23:38 70.02, 65.60 80.03 02/23/2024 07:23:11 70.03, 65.55 80.05 2.55 27
3 02/23/2024 08:14:03 -69.03,-125.65 101.02 02/23/2024 08:12:56 -69.08,-128.10 100.86 97.40 67
4 02/25/2024 21:59:20 70.99,-154.81 80.10 02/25/2024 22:00:27 70.87,-152.60 79.87 81.58 67
5 02/25/2024 22:49:47 -70.12, 13.92 100.85 02/25/2024 22:50:08 -70.14, 13.96 100.83 3.05 21
6 02/25/2024 23:40:31 70.00,-178.60 79.03 02/25/2024 23:39:36 69.99,-178.61 79.02 2.07 55
7 02/28/2024 14:15:58 70.20, -37.75 78.25 02/28/2024 14:17:03 70.19, -37.70 78.23 2.15 65
8 02/28/2024 15:06:39 -70.06, 129.79 101.92 02/28/2024 15:06:33 -70.07, 129.76 101.90 1.66 6
9 02/28/2024 15:57:17 69.63, -62.26 77.62 02/28/2024 15:56:05 69.69, -63.12 77.73 34.15 72
10 03/02/2024 06:32:50 70.15, 78.11 77.18 03/02/2024 06:33:27 70.14, 78.13 77.16 1.48 37
11 03/02/2024 07:23:31 -70.01,-114.35 102.99 03/02/2024 07:22:57 -70.03,-114.40 102.97 2.61 34
12 03/04/2024 21:59:06 -70.69, 25.72 103.28 03/04/2024 22:00:16 -70.56, 27.00 103.47 49.26 70
13 03/04/2024 22:49:41 70.11,-166.05 76.10 03/04/2024 22:49:49 70.12,-166.00 76.10 2.07 8
14 03/04/2024 23:40:23 -70.02, 1.41 104.02 03/04/2024 23:39:19 -70.01, 1.48 104.02 2.85 64

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2024
SNOs_Map_NPP_LANDSAT-9_20240222.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/22/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9