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: 6/4/2023
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 06/04/2023 23:00:53 70.16,-169.25 47.61 06/04/2023 23:01:57 70.15,-169.22 47.60 1.61 64
2 06/04/2023 23:51:34 -70.03, -1.73 132.53 06/04/2023 23:51:27 -70.04, -1.75 132.52 1.46 7
3 06/05/2023 00:42:11 69.53, 166.32 46.95 06/05/2023 00:41:00 69.60, 165.30 47.06 40.25 71
4 06/07/2023 15:17:47 70.10, -53.40 47.28 06/07/2023 15:18:26 70.08, -53.44 47.25 3.31 39
5 06/07/2023 16:08:29 -70.02, 114.05 132.82 06/07/2023 16:07:55 -70.02, 114.11 132.81 2.21 34
6 06/10/2023 06:44:08 -70.80,-106.04 132.22 06/10/2023 06:45:16 -70.69,-104.31 132.39 64.25 68
7 06/10/2023 07:34:40 70.05, 62.45 47.00 06/10/2023 07:34:53 70.04, 62.38 46.98 3.35 13
8 06/10/2023 08:25:22 -69.96,-130.10 133.10 06/10/2023 08:24:22 -69.98,-130.07 133.08 2.54 60
9 06/12/2023 23:00:50 -70.12, 10.81 133.11 06/12/2023 23:01:53 -70.14, 10.76 133.10 2.99 63
10 06/12/2023 23:51:34 70.01, 178.29 46.77 06/12/2023 23:51:20 70.02, 178.24 46.79 2.57 14
11 06/13/2023 00:42:08 -69.49, -13.63 133.77 06/13/2023 00:40:57 -69.53, -14.80 133.68 45.73 71
12 06/15/2023 15:17:45 -70.13, 126.56 133.23 06/15/2023 15:18:20 -70.11, 126.59 133.26 2.63 35
13 06/15/2023 16:08:28 69.97, -65.88 46.60 06/15/2023 16:07:47 69.99, -65.93 46.63 2.81 41

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/4/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230604.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/04/2023 in txt file.

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