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: 7/31/2023
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 08/01/2023 21:09:36 -71.14, 37.73 126.74 08/01/2023 21:10:43 -70.99, 40.00 126.97 83.45 67
2 08/01/2023 22:00:05 70.23,-153.49 52.31 08/01/2023 22:00:22 70.25,-153.48 52.33 2.11 17
3 08/01/2023 22:50:47 -70.15, 13.96 127.76 08/01/2023 22:49:52 -70.13, 13.98 127.78 2.43 55
4 08/04/2023 13:26:15 -70.31, 154.85 126.92 08/04/2023 13:27:27 -70.28, 154.81 126.96 3.20 72
5 08/04/2023 14:16:59 70.19, -37.66 52.97 08/04/2023 14:16:54 70.19, -37.69 52.96 1.36 5
6 08/04/2023 15:07:38 -69.95, 130.03 127.28 08/04/2023 15:06:25 -70.02, 129.70 127.19 14.82 73
7 08/07/2023 05:43:09 -70.27, -89.33 126.23 08/07/2023 05:43:58 -70.25, -89.36 126.26 2.10 49
8 08/07/2023 06:33:53 70.15, 78.16 53.66 08/07/2023 06:33:25 70.15, 78.14 53.66 0.85 28
9 08/09/2023 21:09:38 71.22,-142.43 55.53 08/09/2023 21:10:44 71.13,-139.78 55.33 95.71 66
10 08/09/2023 22:00:03 -70.24, 26.49 125.51 08/09/2023 22:00:28 -70.25, 26.52 125.50 2.06 25
11 08/09/2023 22:50:47 70.13,-166.03 54.39 08/09/2023 22:49:55 70.15,-165.98 54.41 3.03 52
12 08/12/2023 13:26:15 70.36, -25.26 55.40 08/12/2023 13:27:27 70.33, -25.11 55.36 6.39 72
13 08/12/2023 14:16:56 -70.21, 142.29 124.75 08/12/2023 14:16:57 -70.23, 142.37 124.74 3.03 1
14 08/12/2023 15:07:38 70.00, -50.07 55.04 08/12/2023 15:06:26 70.01, -50.30 55.07 8.80 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/31/2023
SNOs_Map_NPP_LANDSAT-9_20230731.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 07/31/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9