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: 2/8/2023
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 02/10/2023 06:45:10 71.11, 73.48 85.63 02/10/2023 06:46:16 71.01, 76.21 85.41 98.92 66
2 02/10/2023 07:35:34 -70.08,-117.54 95.48 02/10/2023 07:36:01 -70.07,-117.55 95.50 0.90 27
3 02/10/2023 08:26:18 69.96, 49.95 84.39 02/10/2023 08:25:28 69.97, 49.95 84.40 0.87 50
4 02/12/2023 23:01:47 70.32,-169.45 83.90 02/12/2023 23:02:58 70.26,-169.04 83.82 16.63 71
5 02/12/2023 23:52:25 -70.01, -1.67 96.43 02/12/2023 23:52:30 -70.04, -1.72 96.41 3.22 5
6 02/13/2023 00:43:10 69.96, 165.73 83.50 02/13/2023 00:41:57 69.93, 165.78 83.48 3.21 73
7 02/15/2023 15:18:34 70.11, -53.35 82.78 02/15/2023 15:19:27 70.13, -53.34 82.79 2.16 53
8 02/15/2023 16:09:16 -70.02, 114.11 97.34 02/15/2023 16:08:57 -70.02, 114.14 97.33 1.34 19
9 02/15/2023 16:59:45 69.11, -77.27 81.70 02/15/2023 16:58:38 69.14, -79.41 81.83 84.77 67
10 02/18/2023 07:35:25 70.08, 62.48 81.81 02/18/2023 07:35:55 70.07, 62.47 81.80 0.52 30
11 02/18/2023 08:26:07 -69.98,-130.06 98.31 02/18/2023 08:25:25 -69.97,-130.05 98.32 1.47 42
12 02/20/2023 23:01:39 -70.52, 10.25 98.67 02/20/2023 23:02:50 -70.42, 11.21 98.82 37.41 71
13 02/20/2023 23:52:16 70.05, 178.29 80.83 02/20/2023 23:52:22 70.04, 178.30 80.81 1.93 6
14 02/21/2023 00:42:58 -69.95, -14.24 99.29 02/21/2023 00:41:52 -69.93, -14.21 99.31 2.80 66

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230208.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/08/2023 in txt file.

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