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: 8/27/2023
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 08/29/2023 07:34:06 70.66, 61.58 61.24 08/29/2023 07:35:15 70.56, 63.28 61.08 63.95 69
2 08/29/2023 08:24:36 -69.95,-129.99 119.50 08/29/2023 08:24:54 -69.96,-129.96 119.50 1.17 18
3 08/29/2023 09:15:20 69.82, 37.51 60.38 08/29/2023 09:14:22 69.80, 37.47 60.37 3.05 58
4 08/31/2023 23:50:50 70.00, 178.38 61.50 08/31/2023 23:51:55 70.03, 178.38 61.51 2.85 65
5 09/01/2023 00:41:32 -69.92, -14.17 118.58 09/01/2023 00:41:25 -69.92, -14.14 118.58 1.31 7
6 09/01/2023 01:32:09 69.42, 153.86 60.92 09/01/2023 01:30:58 69.48, 152.91 61.01 37.84 71
7 09/03/2023 16:07:46 69.97, -65.82 62.44 09/03/2023 16:08:26 69.96, -65.83 62.42 2.17 40
8 09/03/2023 16:58:27 -69.84, 101.71 117.69 09/03/2023 16:57:56 -69.85, 101.65 117.68 2.68 31
9 09/06/2023 07:34:10 -70.71,-118.51 115.83 09/06/2023 07:35:18 -70.63,-116.61 115.96 70.35 68
10 09/06/2023 08:24:40 69.90, 50.05 63.35 09/06/2023 08:24:55 69.92, 50.00 63.36 2.53 15
11 09/06/2023 09:15:22 -69.82,-142.50 116.73 09/06/2023 09:14:25 -69.82,-142.51 116.73 0.54 57
12 09/08/2023 23:50:52 -70.01, -1.65 115.56 09/08/2023 23:51:57 -70.03, -1.61 115.55 2.27 65
13 09/09/2023 00:41:36 69.89, 165.83 64.34 09/09/2023 00:41:24 69.91, 165.87 64.35 2.30 12
14 09/09/2023 01:32:11 -69.43, -26.18 116.13 09/09/2023 01:31:00 -69.48, -27.09 116.06 35.85 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230827.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/27/2023 in txt file.

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