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: 12/31/2022
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 01/01/2023 06:45:16 -70.26,-105.11 86.77 01/01/2023 06:46:28 -70.24,-104.88 86.81 8.71 72
2 01/01/2023 07:35:59 70.09, 62.46 93.05 01/01/2023 07:35:56 70.08, 62.53 93.04 2.84 3
3 01/01/2023 08:26:40 -69.95,-130.01 87.10 01/01/2023 08:25:26 -69.97,-129.99 87.07 2.36 74
4 01/03/2023 23:02:08 -70.15, 10.83 87.12 01/03/2023 23:02:58 -70.16, 10.87 87.13 1.77 50
5 01/03/2023 23:52:52 70.04, 178.31 92.76 01/03/2023 23:52:25 70.05, 178.36 92.77 2.29 27
6 01/04/2023 00:43:17 -69.05, -12.94 88.27 01/04/2023 00:42:10 -69.12, -15.27 88.14 92.66 67
7 01/06/2023 14:28:38 71.14, -42.33 93.63 01/06/2023 14:29:43 71.03, -39.58 93.44 99.90 65
8 01/06/2023 15:19:02 -70.10, 126.67 87.46 01/06/2023 15:19:28 -70.10, 126.68 87.47 0.33 26
9 01/06/2023 16:09:46 69.99, -65.85 92.42 01/06/2023 16:08:55 69.99, -65.84 92.42 0.58 51
10 01/09/2023 06:45:15 70.21, 74.95 92.31 01/09/2023 06:46:27 70.18, 75.04 92.28 4.04 72
11 01/09/2023 07:35:56 -70.06,-117.50 87.85 01/09/2023 07:35:57 -70.08,-117.47 87.83 2.90 1
12 01/09/2023 08:26:38 69.84, 50.13 91.92 01/09/2023 08:25:26 69.86, 49.85 91.95 10.79 72
13 01/11/2023 23:02:08 70.12,-169.15 91.83 01/11/2023 23:02:56 70.14,-169.15 91.84 1.96 48
14 01/11/2023 23:52:50 -70.02, -1.68 88.29 01/11/2023 23:52:26 -70.04, -1.66 88.27 2.14 24

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/31/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221231.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/31/2022 in txt file.

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