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: 3/14/2023
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 03/14/2023 06:44:55 70.50, 74.40 73.15 03/14/2023 06:46:06 70.40, 75.30 72.99 35.71 71
2 03/14/2023 07:35:30 -70.05,-117.57 107.36 03/14/2023 07:35:40 -70.07,-117.54 107.34 2.33 10
3 03/14/2023 08:26:14 69.93, 49.91 72.51 03/14/2023 08:25:08 69.90, 49.88 72.50 3.30 66
4 03/16/2023 23:01:40 70.13,-169.24 71.69 03/16/2023 23:02:39 70.11,-169.23 71.65 2.23 59
5 03/16/2023 23:52:21 -69.99, -1.70 108.49 03/16/2023 23:52:09 -70.00, -1.75 108.47 2.69 12
6 03/17/2023 00:42:55 69.34, 166.55 70.83 03/17/2023 00:41:45 69.40, 165.06 70.95 58.48 70
7 03/19/2023 15:18:32 70.09, -53.40 70.57 03/19/2023 15:19:07 70.10, -53.36 70.58 2.32 35
8 03/19/2023 16:09:14 -69.99, 114.06 109.54 03/19/2023 16:08:37 -70.00, 114.12 109.54 2.34 37
9 03/22/2023 06:44:51 -70.74,-105.96 109.79 03/22/2023 06:46:00 -70.60,-104.40 110.00 59.61 69
10 03/22/2023 07:35:24 70.06, 62.42 69.48 03/22/2023 07:35:35 70.05, 62.44 69.47 1.53 11
11 03/22/2023 08:26:06 -69.96,-130.12 110.64 03/22/2023 08:25:05 -69.94,-130.07 110.65 2.67 61
12 03/24/2023 23:01:31 -70.10, 10.83 111.53 03/24/2023 23:02:35 -70.11, 10.78 111.52 2.78 64
13 03/24/2023 23:52:15 69.99, 178.30 68.35 03/24/2023 23:52:02 70.00, 178.26 68.35 1.53 13
14 03/25/2023 00:42:49 -69.47, -13.62 112.21 03/25/2023 00:41:38 -69.56, -14.71 112.08 43.54 71
15 03/27/2023 15:18:22 -70.10, 126.61 112.59 03/27/2023 15:19:00 -70.07, 126.60 112.62 3.29 38
16 03/27/2023 16:09:05 69.95, -65.85 67.24 03/27/2023 16:08:27 69.95, -65.92 67.25 2.56 38

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/14/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230314.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/14/2023 in txt file.

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