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: 5/2/2023
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 05/03/2023 23:00:53 70.65,-169.94 54.78 05/03/2023 23:02:02 70.54,-168.61 54.64 50.56 69
2 05/03/2023 23:51:25 -70.04, -1.66 125.86 05/03/2023 23:51:39 -70.04, -1.70 125.87 1.60 14
3 05/04/2023 00:42:09 69.92, 165.84 54.00 05/04/2023 00:41:06 69.94, 165.80 54.03 2.69 63
4 05/06/2023 15:17:40 70.13, -53.35 53.47 05/06/2023 15:18:35 70.11, -53.35 53.45 2.30 55
5 05/06/2023 16:08:21 -69.99, 114.18 126.68 05/06/2023 16:08:05 -69.99, 114.12 126.68 2.09 16
6 05/06/2023 16:58:52 69.18, -77.33 52.47 05/06/2023 16:57:44 69.22, -79.28 52.57 76.92 68
7 05/09/2023 07:34:36 70.09, 62.47 52.70 05/09/2023 07:35:00 70.09, 62.51 52.69 1.47 24
8 05/09/2023 08:25:17 -69.95,-130.00 127.46 05/09/2023 08:24:30 -69.97,-130.02 127.43 3.09 47
9 05/11/2023 23:00:47 -70.17, 10.80 127.91 05/11/2023 23:01:57 -70.15, 10.85 127.94 2.94 70
10 05/11/2023 23:51:31 70.05, 178.28 51.96 05/11/2023 23:51:24 70.04, 178.33 51.94 2.58 7
11 05/12/2023 00:42:09 -69.75, -13.95 128.36 05/12/2023 00:40:56 -69.82, -14.34 128.28 16.86 73
12 05/14/2023 15:17:42 -70.09, 126.69 128.66 05/14/2023 15:18:22 -70.07, 126.63 128.68 2.41 40
13 05/14/2023 16:08:26 69.97, -65.83 51.22 05/14/2023 16:07:49 69.96, -65.88 51.20 2.50 37

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230502.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/02/2023 in txt file.

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