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: 2/6/2023
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 02/07/2023 15:18:42 -70.11, 126.64 94.60 02/07/2023 15:19:31 -70.11, 126.63 94.60 0.71 49
2 02/07/2023 16:09:26 69.99, -65.88 85.27 02/07/2023 16:08:58 70.01, -65.87 85.30 2.32 28
3 02/10/2023 06:45:10 71.12, 73.47 85.64 02/10/2023 06:46:16 71.01, 76.22 85.41 99.84 66
4 02/10/2023 07:35:34 -70.08,-117.54 95.48 02/10/2023 07:36:01 -70.08,-117.54 95.48 0.36 27
5 02/10/2023 08:26:18 69.97, 49.94 84.40 02/10/2023 08:25:28 69.98, 49.96 84.41 1.54 50
6 02/12/2023 23:01:47 70.31,-169.44 83.90 02/12/2023 23:02:59 70.25,-169.06 83.81 16.21 72
7 02/12/2023 23:52:26 -70.06, -1.74 96.38 02/12/2023 23:52:31 -70.03, -1.74 96.42 3.66 5
8 02/13/2023 00:43:09 69.90, 165.81 83.44 02/13/2023 00:41:58 69.92, 165.76 83.47 3.25 71
9 02/15/2023 15:18:35 70.09, -53.33 82.76 02/15/2023 15:19:30 70.11, -53.37 82.77 2.70 55
10 02/15/2023 16:09:17 -70.00, 114.14 97.36 02/15/2023 16:09:00 -70.00, 114.11 97.35 1.32 17
11 02/15/2023 16:59:47 69.14, -77.32 81.74 02/15/2023 16:58:39 69.23, -79.30 81.92 78.62 68
12 02/18/2023 07:35:26 70.09, 62.45 81.82 02/18/2023 07:35:57 70.11, 62.51 81.84 3.42 31
13 02/18/2023 08:26:07 -69.94,-130.00 98.35 02/18/2023 08:25:28 -69.96,-130.08 98.33 3.48 39

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/6/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230206.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/06/2023 in txt file.

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