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: 5/26/2023
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 05/27/2023 04:52:51 -70.78, -77.33 130.54 05/27/2023 04:54:02 -70.72, -76.43 130.63 33.85 71
2 05/27/2023 05:43:29 70.36, 90.66 49.02 05/27/2023 05:43:34 70.34, 90.66 49.00 1.45 5
3 05/27/2023 06:34:10 -70.21,-101.80 131.14 05/27/2023 06:33:04 -70.22,-101.87 131.12 3.20 66
4 05/29/2023 21:09:37 -70.41, 39.03 131.35 05/29/2023 21:10:33 -70.40, 38.99 131.37 2.40 56
5 05/29/2023 22:00:21 70.30,-153.49 48.54 05/29/2023 22:00:00 70.29,-153.52 48.53 2.00 21
6 05/29/2023 22:50:50 -69.52, 15.00 132.27 05/29/2023 22:49:41 -69.57, 13.11 132.18 73.67 69
7 06/01/2023 13:26:29 -70.37, 154.88 131.78 06/01/2023 13:26:58 -70.38, 154.85 131.77 1.76 29
8 06/01/2023 14:17:13 70.26, -37.65 48.11 06/01/2023 14:16:25 70.27, -37.67 48.12 0.90 48
9 06/04/2023 04:52:40 70.53, 103.07 48.07 06/04/2023 04:53:51 70.50, 103.28 48.02 8.90 71
10 06/04/2023 05:43:20 -70.33, -89.29 132.15 06/04/2023 05:43:22 -70.33, -89.32 132.15 1.48 2
11 06/04/2023 06:34:02 70.12, 78.34 47.63 06/04/2023 06:32:50 70.17, 78.08 47.69 11.05 72
12 06/06/2023 21:09:30 70.40,-140.95 47.64 06/06/2023 21:10:16 70.43,-140.93 47.66 2.85 46
13 06/06/2023 22:00:12 -70.30, 26.53 132.47 06/06/2023 21:59:46 -70.32, 26.55 132.45 2.53 26

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/26/2023
SNOs_Map_NPP_LANDSAT-9_20230526.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 05/26/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9