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: 2/14/2023
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 02/15/2023 15:18:41 70.09, -53.35 82.75 02/15/2023 15:19:27 70.08, -53.41 82.74 2.42 46
2 02/15/2023 16:09:23 -70.00, 114.11 97.36 02/15/2023 16:08:56 -70.02, 114.14 97.33 2.85 27
3 02/18/2023 06:45:07 -70.94,-106.26 97.27 02/18/2023 06:46:14 -70.84,-104.05 97.47 81.19 67
4 02/18/2023 07:35:37 70.09, 62.40 81.83 02/18/2023 07:35:53 70.08, 62.47 81.80 3.28 16
5 02/18/2023 08:26:18 -69.95,-130.06 98.35 02/18/2023 08:25:23 -69.96,-130.05 98.32 1.60 55
6 02/20/2023 23:01:47 -70.12, 10.81 99.09 02/20/2023 23:02:52 -70.12, 10.79 99.10 0.91 65
7 02/20/2023 23:52:31 70.01, 178.29 80.78 02/20/2023 23:52:19 70.01, 178.28 80.79 0.51 12
8 02/21/2023 00:43:06 -69.55, -13.70 99.73 02/21/2023 00:41:55 -69.57, -14.69 99.64 38.58 71
9 02/23/2023 15:18:40 -70.05, 126.68 100.14 02/23/2023 15:19:16 -70.07, 126.61 100.13 3.18 36
10 02/23/2023 16:09:24 69.95, -65.85 79.74 02/23/2023 16:08:43 69.95, -65.91 79.75 2.38 41
11 02/26/2023 06:44:56 70.32, 74.73 79.16 02/26/2023 06:46:08 70.23, 75.10 79.04 17.29 72
12 02/26/2023 07:35:35 -70.05,-117.56 101.14 02/26/2023 07:35:39 -70.06,-117.49 101.13 2.47 4
13 02/26/2023 08:26:19 69.95, 49.91 78.75 02/26/2023 08:25:06 69.95, 49.99 78.75 2.93 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/14/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230214.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/14/2023 in txt file.

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