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: 8/15/2023
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 08/15/2023 23:50:42 70.04, 178.37 56.14 08/15/2023 23:51:44 70.04, 178.43 56.13 1.96 62
2 08/16/2023 00:41:23 -69.90, -14.10 124.00 08/16/2023 00:41:14 -69.92, -14.11 123.98 2.04 9
3 08/16/2023 01:31:59 69.36, 154.00 55.45 08/16/2023 01:30:48 69.44, 152.87 55.58 44.85 71
4 08/18/2023 16:07:32 69.98, -65.74 56.92 08/18/2023 16:08:13 70.00, -65.75 56.94 2.64 41
5 08/18/2023 16:58:14 -69.89, 101.71 123.16 08/18/2023 16:57:43 -69.88, 101.72 123.17 0.85 31
6 08/21/2023 07:33:55 -70.92,-118.76 121.23 08/21/2023 07:35:01 -70.80,-116.32 121.43 89.95 66
7 08/21/2023 08:24:23 69.97, 50.05 57.79 08/21/2023 08:24:41 69.99, 50.12 57.80 3.33 18
8 08/21/2023 09:15:04 -69.83,-142.42 122.35 08/21/2023 09:14:12 -69.82,-142.47 122.35 2.38 52
9 08/23/2023 23:50:29 -70.08, -1.64 121.22 08/23/2023 23:51:41 -70.06, -1.53 121.26 4.80 72
10 08/24/2023 00:41:12 69.92, 165.92 58.63 08/24/2023 00:41:09 69.89, 165.88 58.60 3.12 3
11 08/24/2023 01:31:52 -69.72, -26.47 121.57 08/24/2023 01:30:40 -69.73, -26.71 121.55 9.05 72
12 08/26/2023 16:07:18 -69.98, 114.30 120.41 08/26/2023 16:08:09 -70.00, 114.28 120.40 1.96 51
13 08/26/2023 16:58:02 69.87, -78.23 59.50 08/26/2023 16:57:36 69.88, -78.24 59.51 0.96 26

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/15/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230815.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/15/2023 in txt file.

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