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: 8/21/2023
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 08/21/2023 07:34:02 -70.75,-118.53 121.41 08/21/2023 07:35:10 -70.61,-116.64 121.62 71.15 68
2 08/21/2023 08:24:33 69.94, 50.05 57.76 08/21/2023 08:24:47 69.97, 50.07 57.78 2.59 14
3 08/21/2023 09:15:15 -69.86,-142.51 122.32 08/21/2023 09:14:17 -69.85,-142.46 122.33 2.21 58
4 08/23/2023 23:50:44 -70.01, -1.60 121.29 08/23/2023 23:51:51 -70.04, -1.59 121.27 3.09 67
5 08/24/2023 00:41:28 69.89, 165.89 58.60 08/24/2023 00:41:19 69.89, 165.83 58.60 2.21 9
6 08/24/2023 01:32:05 -69.54, -26.28 121.76 08/24/2023 01:30:53 -69.55, -26.99 121.71 27.64 72
7 08/26/2023 16:07:40 -69.97, 114.23 120.42 08/26/2023 16:08:23 -69.99, 114.22 120.40 3.09 43
8 08/26/2023 16:58:25 69.90, -78.36 59.53 08/26/2023 16:57:50 69.89, -78.29 59.52 3.10 35
9 08/29/2023 07:34:07 70.70, 61.52 61.28 08/29/2023 07:35:15 70.57, 63.30 61.09 67.41 68
10 08/29/2023 08:24:36 -69.93,-129.95 119.52 08/29/2023 08:24:55 -69.92,-130.01 119.53 2.32 19
11 08/29/2023 09:15:20 69.81, 37.53 60.37 08/29/2023 09:14:22 69.81, 37.48 60.38 1.94 58
12 08/31/2023 23:50:51 70.04, 178.32 61.54 08/31/2023 23:51:55 70.03, 178.39 61.52 2.95 64
13 09/01/2023 00:41:32 -69.90, -14.14 118.60 09/01/2023 00:41:26 -69.87, -14.19 118.63 3.13 6
14 09/01/2023 01:32:09 69.41, 153.88 60.91 09/01/2023 01:30:58 69.48, 152.92 61.02 38.51 71
15 09/03/2023 16:07:45 69.97, -65.80 62.43 09/03/2023 16:08:25 69.95, -65.83 62.41 1.73 40
16 09/03/2023 16:58:27 -69.87, 101.65 117.66 09/03/2023 16:57:55 -69.86, 101.66 117.67 1.96 32

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/21/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230821.jpg

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

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