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: 1/28/2023
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 01/30/2023 15:18:51 70.12, -53.40 87.77 01/30/2023 15:19:26 70.11, -53.34 87.75 2.66 35
2 01/30/2023 16:09:32 -69.98, 114.13 92.39 01/30/2023 16:08:56 -70.00, 114.13 92.38 1.49 36
3 02/02/2023 06:45:12 -70.87,-106.13 92.18 02/02/2023 06:46:20 -70.74,-104.19 92.40 72.40 68
4 02/02/2023 07:35:43 70.08, 62.44 86.98 02/02/2023 07:35:57 70.09, 62.50 86.97 2.27 14
5 02/02/2023 08:26:24 -69.94,-130.02 93.19 02/02/2023 08:25:28 -69.92,-130.10 93.19 3.27 56
6 02/04/2023 23:01:51 -70.16, 10.79 93.73 02/04/2023 23:03:01 -70.15, 10.81 93.75 1.55 70
7 02/04/2023 23:52:35 70.05, 178.26 86.16 02/04/2023 23:52:28 70.04, 178.30 86.14 1.92 7
8 02/05/2023 00:43:13 -69.75, -13.96 94.18 02/05/2023 00:42:00 -69.82, -14.37 94.08 17.76 73
9 02/07/2023 15:18:43 -70.13, 126.60 94.57 02/07/2023 15:19:31 -70.13, 126.66 94.59 2.12 48
10 02/07/2023 16:09:27 70.03, -65.93 85.31 02/07/2023 16:08:58 70.02, -65.86 85.30 3.03 29
11 02/07/2023 16:59:51 -68.98, 102.90 95.81 02/07/2023 16:58:44 -69.03, 100.45 95.64 97.84 67
12 02/10/2023 06:45:09 71.11, 73.49 85.63 02/10/2023 06:46:15 71.00, 76.21 85.40 99.01 66
13 02/10/2023 07:35:33 -70.07,-117.52 95.50 02/10/2023 07:36:00 -70.08,-117.54 95.49 1.61 27
14 02/10/2023 08:26:17 69.96, 49.95 84.39 02/10/2023 08:25:27 69.96, 49.95 84.40 0.26 50

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/28/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230128.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/28/2023 in txt file.

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