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: 8/7/2023
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 08/07/2023 23:50:51 -70.01, -1.61 126.27 08/07/2023 23:51:45 -70.03, -1.61 126.26 1.71 54
2 08/08/2023 00:41:35 69.90, 165.87 53.63 08/08/2023 00:41:13 69.88, 165.82 53.61 2.87 22
3 08/08/2023 01:32:03 -69.07, -25.62 127.23 08/08/2023 01:30:55 -69.10, -27.59 127.12 78.28 68
4 08/10/2023 16:07:42 -69.98, 114.22 125.54 08/10/2023 16:08:16 -69.96, 114.17 125.56 2.88 34
5 08/10/2023 16:58:26 69.87, -78.30 54.36 08/10/2023 16:57:43 69.86, -78.32 54.36 1.16 43
6 08/13/2023 07:34:00 70.52, 61.85 55.82 08/13/2023 07:35:10 70.36, 62.99 55.61 46.04 70
7 08/13/2023 08:24:33 -69.95,-129.95 124.77 08/13/2023 08:24:45 -69.97,-129.93 124.76 2.45 12
8 08/13/2023 09:15:17 69.84, 37.52 55.13 08/13/2023 09:14:13 69.81, 37.49 55.11 3.41 64
9 08/15/2023 23:50:42 70.02, 178.40 56.12 08/15/2023 23:51:45 70.01, 178.38 56.09 2.17 63
10 08/16/2023 00:41:24 -69.93, -14.14 123.97 08/16/2023 00:41:15 -69.90, -14.14 124.00 3.51 9
11 08/16/2023 01:31:59 69.34, 154.03 55.43 08/16/2023 01:30:49 69.40, 152.83 55.54 47.48 70
12 08/18/2023 16:07:32 70.01, -65.80 56.96 08/18/2023 16:08:12 70.01, -65.73 56.95 2.74 40
13 08/18/2023 16:58:13 -69.86, 101.74 123.19 08/18/2023 16:57:43 -69.85, 101.68 123.20 2.77 30

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/7/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230807.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/07/2023 in txt file.

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