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: 4/20/2023
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 04/23/2023 07:34:35 70.13, 62.45 57.58 04/23/2023 07:35:18 70.12, 62.53 57.57 2.98 43
2 04/23/2023 08:25:16 -69.99,-130.02 122.58 04/23/2023 08:24:48 -70.01,-130.00 122.55 2.49 28
3 04/25/2023 23:51:23 70.05, 178.36 56.61 04/25/2023 23:51:47 70.04, 178.29 56.61 2.97 24
4 04/26/2023 00:42:05 -69.96, -14.19 123.49 04/26/2023 00:41:16 -69.98, -14.16 123.46 2.94 49
5 04/28/2023 15:17:33 -70.40, 126.30 123.87 04/28/2023 15:18:44 -70.30, 126.90 123.99 25.13 71
6 04/28/2023 16:08:12 70.03, -65.82 55.74 04/28/2023 16:08:14 70.03, -65.85 55.74 1.18 2
7 04/28/2023 16:58:54 -69.94, 101.63 124.37 04/28/2023 16:57:44 -69.92, 101.63 124.38 2.61 70
8 05/01/2023 07:34:16 -70.13,-117.49 124.98 05/01/2023 07:35:12 -70.14,-117.45 124.97 2.06 56
9 05/01/2023 08:25:00 70.02, 49.98 54.91 05/01/2023 08:24:39 70.03, 50.04 54.91 2.32 21
10 05/01/2023 09:15:29 -69.25,-141.57 125.91 05/01/2023 09:14:20 -69.32,-143.30 125.79 68.54 69
11 05/03/2023 23:51:04 -70.08, -1.63 125.82 05/03/2023 23:51:38 -70.11, -1.61 125.81 2.67 34
12 05/04/2023 00:41:48 69.98, 165.84 54.06 05/04/2023 00:41:05 69.99, 165.87 54.08 1.70 43

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/20/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230421.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/20/2023 in txt file.

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