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: 1/10/2023
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 01/11/2023 23:02:08 70.13,-169.16 91.83 01/11/2023 23:02:56 70.12,-169.18 91.82 1.04 48
2 01/11/2023 23:52:50 -70.04, -1.71 88.27 01/11/2023 23:52:26 -70.01, -1.70 88.30 3.30 24
3 01/14/2023 15:19:01 70.10, -53.36 91.37 01/14/2023 15:19:23 70.09, -53.34 91.34 2.12 22
4 01/14/2023 16:09:42 -69.96, 114.18 88.79 01/14/2023 16:08:53 -69.98, 114.14 88.77 2.33 49
5 01/17/2023 06:45:11 -70.20,-105.05 89.02 01/17/2023 06:46:23 -70.19,-104.94 89.05 4.06 72
6 01/17/2023 07:35:54 70.04, 62.51 90.80 01/17/2023 07:35:51 70.03, 62.46 90.79 2.24 3
7 01/17/2023 08:26:35 -69.89,-129.95 89.36 01/17/2023 08:25:21 -69.92,-130.05 89.32 4.96 74
8 01/19/2023 23:02:04 -70.14, 10.81 89.63 01/19/2023 23:02:51 -70.11, 10.82 89.67 3.46 47
9 01/19/2023 23:52:47 69.98, 178.37 90.20 01/19/2023 23:52:18 69.99, 178.30 90.22 2.83 29
10 01/22/2023 14:28:29 70.92, -41.98 90.63 01/22/2023 14:29:36 70.81, -39.88 90.43 77.62 67
11 01/22/2023 15:18:57 -70.09, 126.66 90.27 01/22/2023 15:19:17 -70.10, 126.71 90.26 2.77 20
12 01/22/2023 16:09:41 69.98, -65.87 89.62 01/22/2023 16:08:44 69.99, -65.81 89.63 2.22 57

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/10/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230110.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/10/2023 in txt file.

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