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: 12/19/2022
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 12/21/2022 20:15:08 -70.19, 52.58 86.46 12/21/2022 20:16:03 -70.18, 52.64 86.47 2.52 55
2 12/21/2022 21:05:51 70.08,-139.93 93.43 12/21/2022 21:05:30 70.07,-139.87 93.43 2.65 21
3 12/21/2022 21:56:17 -69.60, 28.13 87.06 12/21/2022 21:55:06 -69.63, 27.15 87.01 37.97 71
4 12/24/2022 16:39:17 70.11, -73.33 93.44 12/24/2022 16:39:43 70.10, -73.39 93.43 2.33 26
5 12/24/2022 17:29:51 -70.02, 94.14 86.65 12/24/2022 17:29:12 -70.04, 94.17 86.63 2.33 39
6 12/27/2022 12:12:43 70.21, -6.84 93.46 12/27/2022 12:13:53 70.21, -6.78 93.45 2.17 70
7 12/27/2022 13:03:17 -70.09, 160.68 86.67 12/27/2022 13:03:23 -70.10, 160.70 86.66 0.89 6
8 12/27/2022 13:53:59 69.99, -31.84 93.23 12/27/2022 13:52:50 69.99, -31.82 93.23 0.86 69
9 12/30/2022 08:36:44 -70.18,-132.80 86.72 12/30/2022 08:37:34 -70.19,-132.73 86.72 2.92 50
10 12/30/2022 09:27:25 70.06, 34.71 93.15 12/30/2022 09:27:01 70.07, 34.75 93.17 2.41 24
11 12/30/2022 10:17:50 -69.43,-157.03 87.50 12/30/2022 10:16:40 -69.47,-158.44 87.42 55.27 70
12 01/02/2023 04:10:26 -71.07, -67.59 86.01 01/02/2023 04:11:32 -70.96, -65.12 86.18 89.93 66
13 01/02/2023 05:00:51 70.15, 101.22 93.03 01/02/2023 05:01:12 70.13, 101.29 93.02 2.85 21
14 01/02/2023 05:51:26 -70.01, -91.23 87.11 01/02/2023 05:50:42 -70.03, -91.22 87.09 2.20 44

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/19/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221220.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/19/2022 in txt file.

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