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: 3/2/2023
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 03/03/2023 15:18:42 70.08, -53.39 76.87 03/03/2023 15:19:15 70.06, -53.42 76.84 3.30 33
2 03/03/2023 16:09:24 -69.99, 114.06 103.24 03/03/2023 16:08:44 -70.00, 114.13 103.23 2.62 40
3 03/06/2023 06:44:59 -70.53,-105.64 103.68 03/06/2023 06:46:10 -70.45,-104.62 103.82 38.96 71
4 03/06/2023 07:35:36 70.06, 62.42 75.81 03/06/2023 07:35:42 70.06, 62.47 75.81 2.30 6
5 03/06/2023 08:26:17 -69.96,-130.12 104.31 03/06/2023 08:25:11 -69.95,-130.05 104.31 2.97 66
6 03/08/2023 23:01:44 -70.09, 10.82 105.19 03/08/2023 23:02:42 -70.09, 10.75 105.21 2.69 58
7 03/08/2023 23:52:28 69.99, 178.29 74.69 03/08/2023 23:52:09 69.98, 178.24 74.68 2.32 19
8 03/09/2023 00:42:58 -69.25, -13.33 106.10 03/09/2023 00:41:49 -69.32, -15.02 105.96 67.21 69
9 03/11/2023 15:18:38 -70.09, 126.60 106.25 03/11/2023 15:19:08 -70.07, 126.62 106.27 1.55 30
10 03/11/2023 16:09:22 69.98, -65.93 73.63 03/11/2023 16:08:35 69.96, -65.90 73.61 2.88 47
11 03/14/2023 06:44:51 70.25, 74.81 72.87 03/14/2023 06:46:03 70.18, 75.03 72.78 11.34 72
12 03/14/2023 07:35:31 -70.04,-117.56 107.36 03/14/2023 07:35:34 -70.02,-117.57 107.39 2.20 3
13 03/14/2023 08:26:14 69.88, 49.98 72.46 03/14/2023 08:25:01 69.90, 49.91 72.49 3.23 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230302.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/02/2023 in txt file.

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