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: 1/13/2023
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 01/14/2023 15:19:01 70.09, -53.34 91.36 01/14/2023 15:19:23 70.09, -53.33 91.35 0.53 22
2 01/14/2023 16:09:42 -69.95, 114.19 88.80 01/14/2023 16:08:53 -69.98, 114.14 88.77 3.24 49
3 01/17/2023 06:45:11 -70.20,-105.05 89.02 01/17/2023 06:46:23 -70.18,-104.96 89.06 3.89 72
4 01/17/2023 07:35:54 70.03, 62.52 90.80 01/17/2023 07:35:51 70.01, 62.45 90.78 3.32 3
5 01/17/2023 08:26:34 -69.84,-129.87 89.42 01/17/2023 08:25:22 -69.85,-130.15 89.39 10.62 72
6 01/19/2023 23:02:04 -70.15, 10.80 89.62 01/19/2023 23:02:50 -70.13, 10.86 89.65 2.83 46
7 01/19/2023 23:52:48 70.04, 178.28 90.26 01/19/2023 23:52:17 70.02, 178.34 90.24 3.23 31
8 01/22/2023 14:28:27 70.89, -41.92 90.59 01/22/2023 14:29:35 70.75, -39.96 90.37 73.13 68
9 01/22/2023 15:18:56 -70.11, 126.64 90.25 01/22/2023 15:19:15 -70.10, 126.71 90.26 2.87 19
10 01/22/2023 16:09:39 69.94, -65.81 89.58 01/22/2023 16:08:43 69.93, -65.89 89.57 3.29 56
11 01/25/2023 06:45:06 70.12, 75.07 89.15 01/25/2023 06:46:11 70.14, 75.03 89.16 2.76 65
12 01/25/2023 07:35:48 -70.02,-117.47 90.97 01/25/2023 07:35:41 -70.04,-117.48 90.95 2.03 7
13 01/25/2023 08:26:25 69.54, 50.55 88.53 01/25/2023 08:25:14 69.59, 49.54 88.62 39.38 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/13/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230113.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/13/2023 in txt file.

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