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: 2/25/2023
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 02/26/2023 06:45:01 70.55, 74.36 79.40 02/26/2023 06:46:11 70.45, 75.40 79.25 40.06 70
2 02/26/2023 07:35:35 -70.04,-117.53 101.16 02/26/2023 07:35:46 -70.07,-117.53 101.13 3.43 11
3 02/26/2023 08:26:19 69.92, 49.95 78.71 02/26/2023 08:25:14 69.91, 49.89 78.71 2.61 65
4 02/28/2023 23:01:48 70.12,-169.22 77.94 02/28/2023 23:02:44 70.14,-169.17 77.95 3.12 56
5 02/28/2023 23:52:30 -70.03, -1.76 102.18 02/28/2023 23:52:14 -70.03, -1.69 102.17 2.50 16
6 03/01/2023 00:43:01 69.22, 166.72 76.97 03/01/2023 00:41:53 69.26, 164.90 77.09 71.90 68
7 03/03/2023 15:18:42 70.08, -53.38 76.87 03/03/2023 15:19:11 70.06, -53.40 76.84 1.92 29
8 03/03/2023 16:09:24 -69.98, 114.08 103.25 03/03/2023 16:08:41 -69.95, 114.08 103.28 3.31 43
9 03/06/2023 06:44:54 -70.31,-105.28 103.92 03/06/2023 06:46:05 -70.26,-104.85 103.99 16.64 71
10 03/06/2023 07:35:35 70.04, 62.44 75.79 03/06/2023 07:35:34 70.04, 62.47 75.79 1.40 1
11 03/06/2023 08:26:17 -69.95,-130.10 104.33 03/06/2023 08:25:04 -69.93,-130.05 104.33 2.49 73
12 03/08/2023 23:01:44 -70.07, 10.85 105.22 03/08/2023 23:02:30 -70.09, 10.80 105.21 2.65 46
13 03/08/2023 23:52:28 69.97, 178.32 74.67 03/08/2023 23:51:57 69.96, 178.27 74.67 1.78 31

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230225.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/25/2023 in txt file.

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