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: 4/20/2024
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 04/21/2024 21:59:25 -70.20, 26.36 122.14 04/21/2024 22:00:24 -70.18, 26.32 122.16 2.48 59
2 04/21/2024 22:50:09 70.08,-166.15 57.73 04/21/2024 22:49:51 70.07,-166.19 57.73 1.81 18
3 04/21/2024 23:40:40 -69.41, 2.15 122.97 04/21/2024 23:39:30 -69.46, 0.61 122.88 60.79 70
4 04/24/2024 14:16:19 -70.16, 142.19 123.07 04/24/2024 14:16:47 -70.14, 142.16 123.09 2.41 28
5 04/24/2024 15:07:03 70.04, -50.32 56.81 04/24/2024 15:06:14 70.03, -50.35 56.79 2.29 49
6 04/27/2024 05:42:31 70.23, 90.53 56.16 04/27/2024 05:43:38 70.25, 90.58 56.16 2.39 67
7 04/27/2024 06:33:13 -70.14,-102.00 123.95 04/27/2024 06:33:08 -70.13,-101.94 123.96 2.40 5
8 04/27/2024 07:23:51 69.71, 65.95 55.60 04/27/2024 07:22:39 69.80, 65.23 55.71 29.18 72
9 04/29/2024 21:59:24 70.18,-153.62 55.27 04/29/2024 21:59:59 70.16,-153.62 55.25 2.16 35
10 04/29/2024 22:50:06 -70.08, 13.85 124.84 04/29/2024 22:49:29 -70.05, 13.86 124.87 3.29 37
11 05/02/2024 13:25:36 -70.46, 154.41 125.24 05/02/2024 13:26:48 -70.35, 154.92 125.37 22.70 72
12 05/02/2024 14:16:15 70.10, -37.71 54.38 05/02/2024 14:16:17 70.12, -37.77 54.40 2.85 2
13 05/02/2024 15:06:57 -70.00, 129.76 125.74 05/02/2024 15:05:47 -70.01, 129.71 125.72 2.28 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/20/2024
SNOs_Map_NPP_LANDSAT-9_20240421.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/20/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9