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: 1/29/2023
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 01/30/2023 15:18:51 70.08, -53.33 87.72 01/30/2023 15:19:27 70.10, -53.35 87.74 2.83 36
2 01/30/2023 16:09:33 -69.99, 114.12 92.38 01/30/2023 16:08:57 -69.99, 114.12 92.38 0.27 36
3 02/02/2023 06:45:12 -70.88,-106.14 92.17 02/02/2023 06:46:20 -70.74,-104.19 92.41 72.89 68
4 02/02/2023 07:35:43 70.09, 62.43 86.98 02/02/2023 07:35:57 70.09, 62.50 86.98 2.55 14
5 02/02/2023 08:26:24 -69.95,-130.03 93.18 02/02/2023 08:25:28 -69.92,-130.10 93.19 3.40 56
6 02/04/2023 23:01:51 -70.16, 10.78 93.72 02/04/2023 23:03:01 -70.16, 10.82 93.74 1.59 70
7 02/04/2023 23:52:35 70.05, 178.26 86.16 02/04/2023 23:52:28 70.05, 178.32 86.15 2.24 7
8 02/05/2023 00:43:13 -69.75, -13.97 94.18 02/05/2023 00:42:00 -69.83, -14.35 94.07 17.57 73
9 02/07/2023 15:18:42 -70.08, 126.68 94.63 02/07/2023 15:19:32 -70.10, 126.62 94.62 3.38 50
10 02/07/2023 16:09:26 69.97, -65.85 85.25 02/07/2023 16:08:59 69.99, -65.89 85.28 2.63 27
11 02/07/2023 16:59:51 -68.98, 102.90 95.81 02/07/2023 16:58:45 -69.00, 100.42 95.67 99.20 66
12 02/10/2023 07:35:34 -70.06,-117.51 95.50 02/10/2023 07:36:02 -70.07,-117.55 95.49 1.96 28
13 02/10/2023 08:26:18 69.96, 49.96 84.38 02/10/2023 08:25:29 69.96, 49.94 84.39 0.74 49

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/29/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230129.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/29/2023 in txt file.

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