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: 3/16/2023
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 03/16/2023 23:01:40 70.13,-169.25 71.69 03/16/2023 23:02:38 70.15,-169.17 71.70 3.51 58
2 03/16/2023 23:52:21 -69.99, -1.71 108.48 03/16/2023 23:52:09 -69.99, -1.77 108.48 2.31 12
3 03/17/2023 00:42:54 69.29, 166.62 70.78 03/17/2023 00:41:45 69.38, 165.05 70.94 62.26 69
4 03/19/2023 15:18:32 70.09, -53.40 70.58 03/19/2023 15:19:07 70.09, -53.38 70.57 0.88 35
5 03/19/2023 16:09:14 -70.00, 114.05 109.54 03/19/2023 16:08:37 -69.98, 114.10 109.55 2.74 37
6 03/22/2023 06:44:50 -70.69,-105.89 109.84 03/22/2023 06:46:00 -70.58,-104.43 110.02 55.17 70
7 03/22/2023 07:35:24 70.06, 62.42 69.48 03/22/2023 07:35:35 70.03, 62.42 69.45 3.46 11
8 03/22/2023 08:26:05 -69.91,-130.04 110.69 03/22/2023 08:25:05 -69.92,-130.10 110.67 2.33 60
9 03/24/2023 23:01:32 -70.15, 10.75 111.48 03/24/2023 23:02:34 -70.15, 10.83 111.49 2.95 62
10 03/24/2023 23:52:15 69.99, 178.30 68.35 03/24/2023 23:52:02 69.98, 178.23 68.34 3.03 13
11 03/25/2023 00:42:49 -69.47, -13.62 112.21 03/25/2023 00:41:38 -69.54, -14.73 112.09 44.03 71
12 03/27/2023 15:18:22 -70.09, 126.61 112.59 03/27/2023 15:18:59 -70.10, 126.66 112.59 2.07 37
13 03/27/2023 16:09:06 69.99, -65.92 67.29 03/27/2023 16:08:26 69.99, -65.87 67.29 2.19 40

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/16/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230316.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/16/2023 in txt file.

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