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: 1/5/2023
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 01/06/2023 14:28:38 71.13, -42.30 93.62 01/06/2023 14:29:43 71.05, -39.55 93.46 99.63 65
2 01/06/2023 15:19:02 -70.09, 126.68 87.48 01/06/2023 15:19:28 -70.12, 126.69 87.45 2.98 26
3 01/06/2023 16:09:46 69.97, -65.83 92.40 01/06/2023 16:08:56 69.96, -65.89 92.39 2.87 50
4 01/09/2023 06:45:16 70.25, 74.89 92.35 01/09/2023 06:46:27 70.20, 75.06 92.30 7.83 71
5 01/09/2023 07:35:56 -70.05,-117.49 87.86 01/09/2023 07:35:58 -70.04,-117.53 87.87 1.87 2
6 01/09/2023 08:26:38 69.83, 50.15 91.91 01/09/2023 08:25:26 69.88, 49.88 91.97 11.83 72
7 01/11/2023 23:02:07 70.11,-169.13 91.81 01/11/2023 23:02:56 70.10,-169.20 91.80 2.78 49
8 01/11/2023 23:52:49 -70.01, -1.67 88.29 01/11/2023 23:52:26 -70.00, -1.71 88.31 2.35 23
9 01/14/2023 15:19:01 70.08, -53.32 91.34 01/14/2023 15:19:24 70.09, -53.34 91.35 1.13 23
10 01/14/2023 16:09:43 -69.98, 114.14 88.77 01/14/2023 16:08:54 -69.99, 114.15 88.76 0.53 49
11 01/17/2023 06:45:13 -70.27,-105.16 88.95 01/17/2023 06:46:24 -70.22,-104.90 89.02 10.85 71
12 01/17/2023 07:35:55 70.06, 62.48 90.83 01/17/2023 07:35:52 70.05, 62.50 90.82 1.22 3
13 01/17/2023 08:26:36 -69.91,-129.98 89.34 01/17/2023 08:25:23 -69.90,-130.09 89.34 4.39 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/5/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230105.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/05/2023 in txt file.

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