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: 11/18/2023
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 11/19/2023 06:33:05 -70.19,-101.93 90.52 11/19/2023 06:33:54 -70.18,-101.86 90.53 2.78 49
2 11/19/2023 07:23:49 70.06, 65.57 89.37 11/19/2023 07:23:21 70.08, 65.64 89.39 3.30 28
3 11/19/2023 08:14:13 -69.03,-125.61 91.66 11/19/2023 08:13:07 -69.09,-128.07 91.60 97.73 66
4 11/21/2023 22:49:58 -70.10, 13.97 90.00 11/21/2023 22:50:27 -70.10, 13.90 90.00 2.79 29
5 11/21/2023 23:40:42 69.98,-178.53 89.89 11/21/2023 23:39:54 69.99,-178.60 89.91 3.45 48
6 11/24/2023 14:16:14 70.42, -38.08 90.89 11/24/2023 14:17:25 70.32, -37.55 90.78 23.06 71
7 11/24/2023 15:06:51 -70.08, 129.78 89.46 11/24/2023 15:06:57 -70.10, 129.78 89.44 2.99 6
8 11/24/2023 15:57:36 70.01, -62.81 90.48 11/24/2023 15:56:24 70.00, -62.73 90.47 3.26 72
9 11/27/2023 06:33:03 70.15, 78.13 91.12 11/27/2023 06:33:59 70.13, 78.06 91.11 3.15 56
10 11/27/2023 07:23:45 -70.06,-114.42 88.96 11/27/2023 07:23:28 -70.08,-114.38 88.94 3.12 17
11 11/27/2023 08:14:15 69.20, 54.15 90.19 11/27/2023 08:13:08 69.25, 52.14 90.24 79.52 67
12 11/29/2023 22:49:57 70.14,-166.09 91.59 11/29/2023 22:50:29 70.14,-166.06 91.58 1.34 32
13 11/29/2023 23:40:39 -70.05, 1.37 88.50 11/29/2023 23:39:59 -70.04, 1.43 88.52 2.99 40

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/18/2023
SNOs_Map_NPP_LANDSAT-9_20231118.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/18/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9