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: 2/27/2023
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 02/28/2023 05:43:16 -70.28, -89.37 101.64 02/28/2023 05:44:28 -70.28, -89.41 101.65 1.64 72
2 02/28/2023 06:34:00 70.17, 78.11 78.23 02/28/2023 06:33:55 70.18, 78.08 78.24 1.80 5
3 02/28/2023 07:24:39 -69.92,-114.19 102.05 02/28/2023 07:23:27 -69.95,-114.60 101.99 16.17 72
4 03/02/2023 22:00:09 -70.23, 26.49 102.71 03/02/2023 22:00:57 -70.24, 26.41 102.71 3.02 48
5 03/02/2023 22:50:53 70.12,-166.03 77.16 03/02/2023 22:50:24 70.14,-166.10 77.18 2.92 29
6 03/05/2023 13:26:35 71.13, -26.51 77.22 03/05/2023 13:27:41 71.04, -24.13 77.04 86.33 66
7 03/05/2023 14:17:02 -70.25, 142.24 103.73 03/05/2023 14:17:24 -70.23, 142.27 103.76 2.78 22
8 03/05/2023 15:07:46 70.14, -50.28 76.15 03/05/2023 15:06:51 70.12, -50.24 76.13 3.07 55
9 03/08/2023 05:43:13 70.32, 90.60 75.32 03/08/2023 05:44:21 70.33, 90.67 75.31 2.87 68
10 03/08/2023 06:33:54 -70.17,-101.85 104.86 03/08/2023 06:33:52 -70.17,-101.93 104.86 2.97 2
11 03/08/2023 07:24:34 69.85, 65.95 74.80 03/08/2023 07:23:22 69.89, 65.33 74.87 24.17 72
12 03/10/2023 22:00:05 70.26,-153.51 74.19 03/10/2023 22:00:49 70.24,-153.58 74.17 3.21 44
13 03/10/2023 22:50:47 -70.16, 13.96 105.93 03/10/2023 22:50:19 -70.14, 13.91 105.95 3.17 28

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/27/2023
SNOs_Map_NPP_LANDSAT-9_20230227.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9