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: 5/31/2023
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 06/02/2023 06:44:11 70.82, 73.92 48.63 06/02/2023 06:45:19 70.73, 75.76 48.48 67.88 68
2 06/02/2023 07:34:40 -70.06,-117.54 132.18 06/02/2023 07:34:59 -70.07,-117.58 132.17 1.93 19
3 06/02/2023 08:25:24 69.99, 49.87 47.75 06/02/2023 08:24:25 69.96, 49.92 47.73 3.04 59
4 06/04/2023 23:00:52 70.13,-169.20 47.58 06/04/2023 23:01:57 70.14,-169.24 47.58 1.77 65
5 06/04/2023 23:51:34 -70.04, -1.75 132.52 06/04/2023 23:51:27 -70.03, -1.76 132.53 1.32 7
6 06/05/2023 00:42:11 69.55, 166.28 46.97 06/05/2023 00:41:00 69.59, 165.28 47.05 39.19 71
7 06/07/2023 15:17:47 70.12, -53.43 47.30 06/07/2023 15:18:25 70.13, -53.37 47.30 2.45 38
8 06/07/2023 16:08:28 -69.98, 114.11 132.86 06/07/2023 16:07:56 -69.97, 114.04 132.86 2.92 32
9 06/10/2023 06:44:09 -70.81,-106.06 132.21 06/10/2023 06:45:17 -70.71,-104.29 132.37 65.86 68
10 06/10/2023 07:34:41 70.07, 62.42 47.02 06/10/2023 07:34:54 70.05, 62.39 47.00 2.38 13
11 06/10/2023 08:25:23 -69.98,-130.12 133.09 06/10/2023 08:24:24 -69.95,-130.12 133.11 3.06 59
12 06/12/2023 23:00:51 -70.13, 10.79 133.10 06/12/2023 23:01:55 -70.12, 10.73 133.12 2.45 64
13 06/12/2023 23:51:35 70.03, 178.26 46.79 06/12/2023 23:51:22 70.01, 178.21 46.77 2.87 13
14 06/13/2023 00:42:08 -69.50, -13.65 133.76 06/13/2023 00:40:57 -69.58, -14.75 133.65 43.49 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/31/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230531.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/31/2023 in txt file.

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