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: 1/18/2023
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 01/19/2023 05:43:16 70.41, 90.31 90.81 01/19/2023 05:44:28 70.32, 90.70 90.69 17.90 72
2 01/19/2023 06:33:55 -70.16,-101.98 89.47 01/19/2023 06:33:59 -70.15,-101.90 89.48 3.02 4
3 01/19/2023 07:24:39 70.05, 65.51 90.41 01/19/2023 07:23:26 70.04, 65.59 90.41 2.97 73
4 01/21/2023 22:00:09 70.21,-153.60 90.02 01/21/2023 22:00:55 70.20,-153.57 90.00 1.28 46
5 01/21/2023 22:50:51 -70.11, 13.87 90.09 01/21/2023 22:50:25 -70.09, 13.91 90.12 2.96 26
6 01/24/2023 13:26:33 -70.96, 153.65 89.80 01/24/2023 13:27:41 -70.86, 155.66 89.99 74.14 68
7 01/24/2023 14:17:04 70.18, -37.77 89.36 01/24/2023 14:17:19 70.15, -37.75 89.33 3.18 15
8 01/24/2023 15:07:45 -70.02, 129.78 90.81 01/24/2023 15:06:49 -70.04, 129.73 90.79 2.48 56
9 01/27/2023 05:43:15 -70.20, -89.35 91.26 01/27/2023 05:44:16 -70.22, -89.39 91.26 2.21 61
10 01/27/2023 06:33:59 70.10, 78.12 88.62 01/27/2023 06:33:43 70.10, 78.09 88.63 1.45 16
11 01/27/2023 07:24:31 -69.47,-113.62 92.05 01/27/2023 07:23:21 -69.55,-115.04 91.91 55.96 70
12 01/29/2023 22:00:11 -70.19, 26.45 91.98 01/29/2023 22:00:39 -70.18, 26.46 92.00 0.90 28
13 01/29/2023 22:50:55 70.08,-166.08 87.90 01/29/2023 22:50:06 70.06,-166.06 87.88 2.78 49

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/18/2023
SNOs_Map_NPP_LANDSAT-9_20230118.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/18/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9