Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/22/2023
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 03/22/2023 21:35:46 70.31,-147.32 69.49 03/22/2023 21:35:23 70.30,-147.36 69.48 1.97 23
2 03/22/2023 22:25:16 -70.19, 20.14 110.65 03/22/2023 22:26:05 -70.21, 20.09 110.63 3.21 49
3 03/25/2023 13:02:45 -70.38, 161.02 111.49 03/25/2023 13:01:37 -70.40, 160.94 111.47 3.36 68
4 03/25/2023 13:52:12 70.28, -31.48 68.40 03/25/2023 13:52:21 70.27, -31.55 68.39 2.80 9
5 03/25/2023 14:41:46 -69.94, 135.68 111.94 03/25/2023 14:42:58 -69.92, 136.30 111.99 23.92 72
6 03/28/2023 05:19:11 -70.32, -83.18 112.61 03/28/2023 05:18:34 -70.33, -83.18 112.60 0.50 37
7 03/28/2023 06:08:38 70.21, 84.31 67.28 03/28/2023 06:09:18 70.20, 84.32 67.27 0.99 40
8 03/30/2023 20:46:05 70.44,-134.74 66.48 03/30/2023 20:44:52 70.51,-135.03 66.57 13.30 73
9 03/30/2023 21:35:36 -70.28, 32.66 113.70 03/30/2023 21:35:31 -70.27, 32.68 113.71 1.82 5
10 03/30/2023 22:25:03 70.17,-159.86 66.18 03/30/2023 22:26:15 70.15,-159.82 66.16 2.60 72
11 04/02/2023 13:02:29 70.36, -18.96 65.36 04/02/2023 13:01:46 70.36, -19.01 65.37 2.07 43
12 04/02/2023 13:51:59 -70.26, 148.52 114.76 04/02/2023 13:52:28 -70.27, 148.45 114.75 2.91 29
13 04/05/2023 04:29:18 -70.86, -69.97 115.18 04/05/2023 04:28:08 -70.91, -71.44 115.08 53.88 70

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/22/2023
SNOs_Map_LANDSAT-8_NPP_20230322.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/22/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP