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: 10/20/2023
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 69.98, -65.86 80.63 10/21/2023 16:08:43 69.97, -65.85 80.63 0.52 61
2 10/21/2023 16:58:24 -69.89, 101.59 99.45 10/21/2023 16:58:13 -69.86, 101.63 99.48 3.11 11
3 10/21/2023 17:48:58 69.23, -90.15 79.91 10/21/2023 17:47:48 69.31, -91.47 79.99 52.80 70
4 10/24/2023 08:24:41 69.91, 49.99 81.51 10/24/2023 08:25:12 69.93, 49.98 81.53 2.68 31
5 10/24/2023 09:15:23 -69.81,-142.55 98.58 10/24/2023 09:14:42 -69.82,-142.54 98.57 0.93 41
6 10/26/2023 23:51:00 -70.17, -1.97 97.32 10/26/2023 23:52:11 -70.12, -1.51 97.37 18.39 71
7 10/27/2023 00:41:41 69.90, 165.75 82.42 10/27/2023 00:41:40 69.90, 165.83 82.42 2.95 1
8 10/27/2023 01:32:22 -69.75, -26.71 97.72 10/27/2023 01:31:11 -69.74, -26.76 97.74 2.39 71
9 10/29/2023 16:07:55 -69.96, 114.11 96.64 10/29/2023 16:08:40 -69.95, 114.14 96.65 1.53 45
10 10/29/2023 16:58:39 69.85, -78.42 83.26 10/29/2023 16:58:07 69.83, -78.38 83.25 2.10 32
11 11/01/2023 07:34:21 70.49, 61.72 84.76 11/01/2023 07:35:30 70.38, 63.02 84.65 49.94 69
12 11/01/2023 08:24:54 -69.91,-130.07 95.82 11/01/2023 08:25:07 -69.89,-130.04 95.83 1.62 13
13 11/01/2023 09:15:38 69.80, 37.40 84.09 11/01/2023 09:14:34 69.78, 37.44 84.06 2.83 64

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/20/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231020.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 10/20/2023 in txt file.

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