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: 12/30/2022
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 -70.29,-105.15 86.75 01/01/2023 06:46:27 -70.27,-104.84 86.78 11.69 71
2 01/01/2023 07:35:58 70.07, 62.50 93.03 01/01/2023 07:35:56 70.06, 62.50 93.01 1.25 2
3 01/01/2023 08:26:39 -69.93,-129.97 87.13 01/01/2023 08:25:26 -69.95,-130.02 87.10 3.25 73
4 01/03/2023 23:02:08 -70.13, 10.87 87.15 01/03/2023 23:02:59 -70.14, 10.84 87.15 1.47 51
5 01/03/2023 23:52:52 70.01, 178.35 92.73 01/03/2023 23:52:26 70.03, 178.33 92.75 1.80 26
6 01/04/2023 00:43:18 -69.07, -12.98 88.25 01/04/2023 00:42:11 -69.10, -15.29 88.15 91.90 67
7 01/06/2023 14:28:38 71.12, -42.28 93.61 01/06/2023 14:29:44 71.02, -39.60 93.42 97.60 66
8 01/06/2023 15:19:02 -70.08, 126.71 87.49 01/06/2023 15:19:29 -70.09, 126.66 87.48 2.57 27
9 01/06/2023 16:09:46 69.97, -65.82 92.39 01/06/2023 16:08:56 69.98, -65.86 92.41 2.22 50
10 01/09/2023 06:45:15 70.24, 74.91 92.34 01/09/2023 06:46:26 70.24, 75.11 92.33 7.53 71
11 01/09/2023 07:35:56 -70.09,-117.54 87.82 01/09/2023 07:35:57 -70.08,-117.48 87.83 2.51 1
12 01/09/2023 08:26:38 69.87, 50.09 91.95 01/09/2023 08:25:25 69.91, 49.93 92.00 7.56 73
13 01/11/2023 23:02:08 70.15,-169.19 91.86 01/11/2023 23:02:56 70.15,-169.14 91.85 2.10 48
14 01/11/2023 23:52:49 -70.00, -1.64 88.31 01/11/2023 23:52:27 -69.99, -1.72 88.31 2.93 22

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/30/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221230.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/30/2022 in txt file.

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