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: 5/1/2023
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 05/01/2023 07:34:29 -70.10,-117.51 125.00 05/01/2023 07:35:12 -70.11,-117.49 125.00 1.11 43
2 05/01/2023 08:25:13 69.98, 49.99 54.86 05/01/2023 08:24:40 69.96, 49.94 54.84 3.15 33
3 05/03/2023 23:00:53 70.66,-169.94 54.79 05/03/2023 23:02:02 70.54,-168.61 54.63 50.82 69
4 05/03/2023 23:51:25 -70.05, -1.66 125.86 05/03/2023 23:51:39 -70.04, -1.71 125.87 1.77 14
5 05/04/2023 00:42:09 69.92, 165.83 54.01 05/04/2023 00:41:06 69.93, 165.79 54.02 1.96 63
6 05/06/2023 15:17:40 70.14, -53.36 53.48 05/06/2023 15:18:35 70.11, -53.35 53.44 3.26 55
7 05/06/2023 16:08:21 -70.00, 114.17 126.68 05/06/2023 16:08:05 -69.99, 114.12 126.68 1.91 16
8 05/06/2023 16:58:52 69.18, -77.34 52.48 05/06/2023 16:57:44 69.22, -79.28 52.57 76.65 68
9 05/09/2023 07:34:36 70.10, 62.46 52.71 05/09/2023 07:35:00 70.09, 62.51 52.69 2.27 24
10 05/09/2023 08:25:17 -69.96,-130.01 127.45 05/09/2023 08:24:30 -69.98,-130.01 127.43 2.36 47
11 05/11/2023 23:00:46 -70.13, 10.86 127.95 05/11/2023 23:01:57 -70.15, 10.85 127.94 2.74 71
12 05/11/2023 23:51:30 70.01, 178.35 51.92 05/11/2023 23:51:24 70.04, 178.34 51.95 2.88 6
13 05/12/2023 00:42:09 -69.76, -13.96 128.35 05/12/2023 00:40:56 -69.82, -14.34 128.28 15.76 73
14 05/14/2023 15:17:42 -70.10, 126.66 128.64 05/14/2023 15:18:22 -70.08, 126.64 128.67 2.54 40
15 05/14/2023 16:08:26 69.99, -65.86 51.24 05/14/2023 16:07:49 69.96, -65.87 51.21 3.02 37

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230501.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/01/2023 in txt file.

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