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: 2/27/2023
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 02/28/2023 23:01:47 70.09,-169.17 77.91 02/28/2023 23:02:46 70.10,-169.23 77.91 2.66 59
2 02/28/2023 23:52:29 -70.00, -1.72 102.20 02/28/2023 23:52:16 -69.99, -1.76 102.21 2.06 13
3 03/01/2023 00:43:02 69.30, 166.62 77.05 03/01/2023 00:41:53 69.33, 164.99 77.16 63.93 69
4 03/03/2023 15:18:42 70.10, -53.42 76.89 03/03/2023 15:19:14 70.11, -53.35 76.89 2.82 32
5 03/03/2023 16:09:23 -69.95, 114.12 103.28 03/03/2023 16:08:45 -69.94, 114.06 103.28 2.75 38
6 03/06/2023 06:45:00 -70.59,-105.73 103.61 03/06/2023 06:46:10 -70.46,-104.60 103.80 44.62 70
7 03/06/2023 07:35:35 70.01, 62.48 75.76 03/06/2023 07:35:43 70.02, 62.41 75.77 2.74 8
8 03/06/2023 08:26:17 -69.92,-130.06 104.36 03/06/2023 08:25:13 -69.92,-130.10 104.35 1.74 64
9 03/08/2023 23:01:45 -70.10, 10.82 105.19 03/08/2023 23:02:43 -70.13, 10.80 105.17 3.39 58
10 03/08/2023 23:52:29 69.99, 178.28 74.69 03/08/2023 23:52:10 70.01, 178.28 74.71 2.25 19
11 03/09/2023 00:43:00 -69.31, -13.40 106.04 03/09/2023 00:41:50 -69.36, -14.98 105.92 62.04 70
12 03/11/2023 15:18:38 -70.08, 126.61 106.26 03/11/2023 15:19:09 -70.08, 126.62 106.27 0.52 31
13 03/11/2023 16:09:22 69.98, -65.93 73.62 03/11/2023 16:08:36 69.96, -65.90 73.61 2.09 46

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230227.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/27/2023 in txt file.

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