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: 2/23/2023
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 06:44:58 70.38, 74.62 79.23 02/26/2023 06:46:09 70.31, 75.20 79.11 23.58 71
2 02/26/2023 07:35:35 -70.03,-117.52 101.17 02/26/2023 07:35:42 -70.02,-117.57 101.17 1.81 7
3 02/26/2023 08:26:19 69.91, 49.96 78.70 02/26/2023 08:25:09 69.92, 49.93 78.72 1.42 70
4 02/28/2023 23:01:48 70.12,-169.21 77.94 02/28/2023 23:02:36 70.11,-169.18 77.92 1.42 48
5 02/28/2023 23:52:29 -69.97, -1.67 102.24 02/28/2023 23:52:06 -70.00, -1.70 102.21 3.18 23
6 03/03/2023 14:28:13 -70.97, 137.88 102.18 03/03/2023 14:29:20 -70.87, 140.20 102.38 84.98 67
7 03/03/2023 15:18:42 70.08, -53.38 76.87 03/03/2023 15:19:00 70.05, -53.37 76.83 3.32 18
8 03/03/2023 16:09:23 -69.93, 114.16 103.31 03/03/2023 16:08:30 -69.94, 114.11 103.29 2.25 53
9 03/06/2023 06:44:50 -70.10,-104.96 104.14 03/06/2023 06:45:55 -70.12,-105.00 104.13 2.99 65
10 03/06/2023 07:35:34 69.99, 62.51 75.74 03/06/2023 07:35:22 70.00, 62.48 75.75 1.71 12
11 03/06/2023 08:26:09 -69.52,-129.48 104.77 03/06/2023 08:24:58 -69.57,-130.49 104.68 39.77 71
12 03/08/2023 23:01:44 -70.08, 10.84 105.21 03/08/2023 23:02:17 -70.10, 10.88 105.19 2.93 33
13 03/08/2023 23:52:28 69.98, 178.31 74.68 03/08/2023 23:51:44 69.98, 178.36 74.69 1.98 44

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/23/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230224.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/23/2023 in txt file.

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