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: 1/8/2023
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 01/09/2023 06:45:15 70.23, 74.92 92.33 01/09/2023 06:46:26 70.22, 75.08 92.31 5.99 71
2 01/09/2023 07:35:55 -70.03,-117.46 87.88 01/09/2023 07:35:57 -70.05,-117.52 87.86 2.92 2
3 01/09/2023 08:26:38 69.86, 50.10 91.94 01/09/2023 08:25:25 69.89, 49.90 91.98 8.48 73
4 01/11/2023 23:02:08 70.14,-169.18 91.85 01/11/2023 23:02:55 70.16,-169.12 91.86 2.80 47
5 01/11/2023 23:52:49 -70.00, -1.65 88.31 01/11/2023 23:52:26 -70.00, -1.72 88.31 2.73 23
6 01/14/2023 15:19:01 70.07, -53.30 91.33 01/14/2023 15:19:24 70.07, -53.36 91.33 2.17 23
7 01/14/2023 16:09:43 -69.98, 114.15 88.78 01/14/2023 16:08:54 -69.97, 114.13 88.78 1.50 49
8 01/17/2023 06:45:11 -70.22,-105.07 89.01 01/17/2023 06:46:23 -70.18,-104.96 89.06 5.57 72
9 01/17/2023 07:35:54 70.05, 62.49 90.82 01/17/2023 07:35:50 70.07, 62.52 90.83 2.10 4
10 01/17/2023 08:26:34 -69.85,-129.90 89.40 01/17/2023 08:25:21 -69.91,-130.06 89.33 9.08 73
11 01/19/2023 23:02:03 -70.10, 10.87 89.67 01/19/2023 23:02:51 -70.10, 10.81 89.67 2.20 48
12 01/19/2023 23:52:47 70.00, 178.34 90.22 01/19/2023 23:52:18 69.98, 178.29 90.21 2.35 29

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/8/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230108.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/08/2023 in txt file.

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