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: 7/27/2023
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 07/28/2023 07:34:11 70.04, 62.52 51.04 07/28/2023 07:35:08 70.03, 62.53 51.01 1.53 57
2 07/28/2023 08:24:52 -69.90,-129.94 129.11 07/28/2023 08:24:38 -69.91,-130.00 129.10 2.87 14
3 07/28/2023 09:15:24 69.15, 38.45 50.11 07/28/2023 09:14:16 69.21, 36.69 50.26 70.00 68
4 07/30/2023 23:51:03 70.03, 178.33 51.66 07/30/2023 23:51:40 70.01, 178.38 51.63 2.62 37
5 07/31/2023 00:41:44 -69.88, -14.14 128.50 07/31/2023 00:41:10 -69.90, -14.15 128.47 2.03 34
6 08/02/2023 15:17:24 -70.86, 125.48 126.81 08/02/2023 15:18:31 -70.78, 127.74 126.98 83.01 67
7 08/02/2023 16:07:53 69.97, -65.80 52.26 08/02/2023 16:08:11 69.97, -65.81 52.26 0.24 18
8 08/02/2023 16:58:35 -69.87, 101.66 127.84 08/02/2023 16:57:41 -69.86, 101.67 127.84 1.53 54
9 08/05/2023 07:34:03 -70.18,-117.65 126.83 08/05/2023 07:35:14 -70.11,-117.37 126.92 12.54 71
10 08/05/2023 08:24:45 69.97, 49.98 52.96 08/05/2023 08:24:42 69.95, 50.05 52.95 3.12 3
11 08/05/2023 09:15:26 -69.82,-142.48 127.19 08/05/2023 09:14:12 -69.85,-142.47 127.15 3.18 74
12 08/07/2023 23:50:52 -70.02, -1.63 126.26 08/07/2023 23:51:46 -70.02, -1.63 126.27 0.56 54
13 08/08/2023 00:41:36 69.92, 165.83 53.65 08/08/2023 00:41:13 69.91, 165.87 53.64 2.05 23

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230727.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/27/2023 in txt file.

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