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: 1/27/2023
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 01/27/2023 23:01:59 70.13,-169.18 88.49 01/27/2023 23:02:55 70.15,-169.16 88.49 1.77 56
2 01/27/2023 23:52:41 -70.05, -1.73 91.61 01/27/2023 23:52:25 -70.03, -1.68 91.63 2.45 16
3 01/28/2023 00:43:12 69.24, 166.76 87.53 01/28/2023 00:42:04 69.27, 164.92 87.65 72.32 68
4 01/30/2023 15:18:51 70.08, -53.33 87.72 01/30/2023 15:19:27 70.09, -53.36 87.73 1.87 36
5 01/30/2023 16:09:33 -69.99, 114.12 92.38 01/30/2023 16:08:57 -69.98, 114.11 92.39 1.14 36
6 02/02/2023 06:45:11 -70.83,-106.06 92.22 02/02/2023 06:46:19 -70.77,-104.14 92.37 70.39 68
7 02/02/2023 07:35:42 70.04, 62.51 86.93 02/02/2023 07:35:57 70.06, 62.47 86.95 3.07 15
8 02/02/2023 08:26:24 -69.95,-130.04 93.18 02/02/2023 08:25:27 -69.96,-130.05 93.17 0.94 57
9 02/04/2023 23:01:51 -70.17, 10.77 93.71 02/04/2023 23:03:00 -70.16, 10.84 93.73 2.49 69
10 02/04/2023 23:52:34 70.01, 178.33 86.11 02/04/2023 23:52:28 70.00, 178.25 86.11 3.00 6
11 02/05/2023 00:43:13 -69.76, -13.98 94.17 02/05/2023 00:42:00 -69.79, -14.41 94.11 17.12 73
12 02/07/2023 15:18:43 -70.14, 126.59 94.56 02/07/2023 15:19:30 -70.13, 126.66 94.59 3.45 47
13 02/07/2023 16:09:26 69.99, -65.86 85.27 02/07/2023 16:08:57 70.02, -65.85 85.30 3.33 29

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/27/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230127.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/27/2023 in txt file.

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