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: 4/17/2024
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 -70.82, -90.39 120.58 04/19/2024 05:43:51 -70.71, -88.80 120.74 59.42 69
2 04/19/2024 06:33:15 70.12, 78.02 58.69 04/19/2024 06:33:27 70.11, 77.96 58.67 2.89 12
3 04/19/2024 07:23:57 -70.03,-114.53 121.42 04/19/2024 07:22:56 -70.05,-114.49 121.40 2.21 61
4 04/21/2024 21:59:25 -70.17, 26.40 122.16 04/21/2024 22:00:24 -70.19, 26.34 122.15 3.26 59
5 04/21/2024 22:50:09 70.06,-166.12 57.71 04/21/2024 22:49:51 70.08,-166.18 57.73 3.41 18
6 04/21/2024 23:40:40 -69.39, 2.19 123.00 04/21/2024 23:39:31 -69.42, 0.55 122.92 64.37 69
7 04/24/2024 14:16:20 -70.18, 142.16 123.05 04/24/2024 14:16:47 -70.16, 142.20 123.07 1.89 27
8 04/24/2024 15:07:04 70.07, -50.36 56.83 04/24/2024 15:06:14 70.05, -50.33 56.81 2.60 50
9 04/27/2024 05:42:32 70.24, 90.51 56.17 04/27/2024 05:43:39 70.23, 90.56 56.15 2.33 67
10 04/27/2024 06:33:14 -70.14,-102.01 123.95 04/27/2024 06:33:09 -70.12,-101.96 123.97 3.17 5
11 04/27/2024 07:23:52 69.72, 65.93 55.61 04/27/2024 07:22:40 69.78, 65.21 55.69 28.53 72
12 04/29/2024 21:59:24 70.18,-153.61 55.27 04/29/2024 21:59:59 70.18,-153.60 55.26 0.45 35
13 04/29/2024 22:50:06 -70.07, 13.86 124.85 04/29/2024 22:49:29 -70.07, 13.88 124.85 0.74 37

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/17/2024
SNOs_Map_NPP_LANDSAT-9_20240417.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/17/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9