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: 3/9/2024
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 03/10/2024 06:32:49 -70.21,-101.93 105.89 03/10/2024 06:33:50 -70.22,-101.89 105.90 1.62 61
2 03/10/2024 07:23:33 70.08, 65.58 73.96 03/10/2024 07:23:18 70.06, 65.53 73.95 2.70 15
3 03/10/2024 08:14:05 -69.47,-126.20 106.69 03/10/2024 08:12:55 -69.56,-127.52 106.54 52.36 70
4 03/12/2024 22:49:47 -70.18, 13.87 106.98 03/12/2024 22:50:19 -70.18, 13.93 107.00 2.55 32
5 03/12/2024 23:40:31 70.06,-178.63 72.88 03/12/2024 23:39:46 70.07,-178.58 72.89 2.55 45
6 03/15/2024 14:16:05 70.35, -37.96 72.16 03/15/2024 14:17:16 70.32, -37.62 72.10 13.57 71
7 03/15/2024 15:06:44 -70.11, 129.73 108.12 03/15/2024 15:06:48 -70.10, 129.70 108.13 1.63 4
8 03/15/2024 15:57:28 69.99, -62.77 71.74 03/15/2024 15:56:15 69.99, -62.81 71.76 1.50 73
9 03/18/2024 06:33:00 70.19, 78.05 70.91 03/18/2024 06:33:45 70.21, 78.11 70.93 3.36 45
10 03/18/2024 07:23:40 -70.05,-114.42 109.25 03/18/2024 07:23:15 -70.05,-114.49 109.24 2.65 25
11 03/20/2024 21:59:26 -70.98, 25.22 109.30 03/20/2024 22:00:33 -70.89, 27.37 109.47 78.88 67
12 03/20/2024 22:49:56 70.13,-166.11 69.79 03/20/2024 22:50:12 70.12,-166.13 69.78 1.12 16
13 03/20/2024 23:40:38 -70.04, 1.35 110.32 03/20/2024 23:39:42 -70.02, 1.36 110.34 2.41 56

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/9/2024
SNOs_Map_NPP_LANDSAT-9_20240309.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 03/09/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9