Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/19/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 10/21/2023 16:07:42 69.99, -65.88 80.65 10/21/2023 16:08:43 69.98, -65.84 80.64 1.82 61
2 10/21/2023 16:58:23 -69.85, 101.65 99.49 10/21/2023 16:58:13 -69.87, 101.64 99.47 2.40 10
3 10/21/2023 17:48:58 69.24, -90.16 79.93 10/21/2023 17:47:48 69.32, -91.46 80.00 51.59 70
4 10/24/2023 08:24:41 69.95, 49.93 81.55 10/24/2023 08:25:12 69.93, 49.98 81.53 3.27 31
5 10/24/2023 09:15:22 -69.81,-142.53 98.59 10/24/2023 09:14:42 -69.82,-142.54 98.58 1.45 40
6 10/26/2023 23:50:58 -70.20, -2.01 97.29 10/26/2023 23:52:10 -70.11, -1.52 97.39 21.13 72
7 10/27/2023 00:41:38 69.88, 165.79 82.40 10/27/2023 00:41:39 69.89, 165.81 82.41 1.20 1
8 10/27/2023 01:32:20 -69.78, -26.74 97.69 10/27/2023 01:31:09 -69.78, -26.71 97.70 1.53 71
9 10/29/2023 16:07:52 -69.93, 114.16 96.67 10/29/2023 16:08:40 -69.92, 114.10 96.68 2.91 48
10 10/29/2023 16:58:36 69.82, -78.36 83.24 10/29/2023 16:58:07 69.80, -78.42 83.22 2.82 29
11 11/01/2023 07:34:19 70.56, 61.61 84.84 11/01/2023 07:35:28 70.44, 63.11 84.71 57.43 69
12 11/01/2023 08:24:50 -69.88,-130.01 95.85 11/01/2023 08:25:06 -69.90,-130.03 95.83 2.27 16
13 11/01/2023 09:15:34 69.77, 37.46 84.06 11/01/2023 09:14:33 69.78, 37.45 84.07 0.83 61

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/19/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231019.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/19/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9