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: 3/25/2023
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 03/27/2023 15:18:22 -70.07, 126.65 112.62 03/27/2023 15:19:01 -70.08, 126.61 112.61 2.16 39
2 03/27/2023 16:09:06 69.95, -65.87 67.25 03/27/2023 16:08:28 69.97, -65.89 67.28 2.24 38
3 03/30/2023 06:44:40 70.59, 74.29 66.90 03/30/2023 06:45:50 70.49, 75.47 66.75 45.03 70
4 03/30/2023 07:35:13 -70.03,-117.51 113.71 03/30/2023 07:35:26 -70.05,-117.54 113.69 2.77 13
5 03/30/2023 08:25:57 69.92, 49.97 66.16 03/30/2023 08:24:53 69.94, 49.95 66.19 2.33 64
6 04/01/2023 23:01:21 70.10,-169.15 65.34 04/01/2023 23:02:19 70.13,-169.16 65.36 3.31 58
7 04/01/2023 23:52:03 -70.00, -1.69 114.78 04/01/2023 23:51:49 -70.02, -1.69 114.77 1.61 14
8 04/02/2023 00:42:35 69.26, 166.70 64.44 04/02/2023 00:41:26 69.35, 165.05 64.59 65.78 69
9 04/04/2023 15:18:12 70.09, -53.36 64.30 04/04/2023 15:18:42 70.09, -53.31 64.29 2.05 30
10 04/04/2023 16:08:54 -70.00, 114.10 115.82 04/04/2023 16:08:12 -69.99, 114.17 115.83 2.94 42
11 04/07/2023 06:44:23 -70.42,-105.39 116.37 04/07/2023 06:45:35 -70.29,-104.77 116.53 27.11 72
12 04/07/2023 07:35:02 70.05, 62.48 63.24 04/07/2023 07:35:04 70.06, 62.55 63.24 2.72 2
13 04/07/2023 08:25:43 -69.90,-129.97 116.94 04/07/2023 08:24:35 -69.90,-130.04 116.93 2.76 68

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230325.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/25/2023 in txt file.

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