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: 12/15/2022
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 12/16/2022 04:17:40 70.10, 112.08 93.31 12/16/2022 04:18:09 70.11, 112.02 93.32 2.60 29
2 12/16/2022 05:08:13 -70.03, -80.46 86.76 12/16/2022 05:07:38 -70.05, -80.43 86.74 2.11 35
3 12/18/2022 23:51:09 70.30, 178.42 93.62 12/18/2022 23:52:20 70.24, 178.65 93.55 10.97 71
4 12/19/2022 00:41:40 -70.11, -13.93 86.58 12/19/2022 00:41:50 -70.12, -13.88 86.56 2.94 10
5 12/19/2022 01:32:23 69.97, 153.58 93.29 12/19/2022 01:31:18 69.96, 153.54 93.28 1.86 65
6 12/21/2022 20:15:08 -70.20, 52.57 86.45 12/21/2022 20:16:03 -70.18, 52.64 86.47 3.32 55
7 12/21/2022 21:05:51 70.08,-139.95 93.44 12/21/2022 21:05:30 70.07,-139.87 93.42 3.33 21
8 12/21/2022 21:56:17 -69.61, 28.12 87.05 12/21/2022 21:55:06 -69.63, 27.16 87.01 37.42 71
9 12/24/2022 16:39:17 70.11, -73.34 93.45 12/24/2022 16:39:43 70.09, -73.39 93.43 2.66 26
10 12/24/2022 17:29:51 -70.03, 94.13 86.64 12/24/2022 17:29:12 -70.05, 94.17 86.63 2.28 39
11 12/27/2022 12:12:43 70.22, -6.85 93.47 12/27/2022 12:13:53 70.21, -6.78 93.45 2.82 70
12 12/27/2022 13:03:17 -70.10, 160.67 86.66 12/27/2022 13:03:23 -70.11, 160.71 86.66 1.35 6
13 12/27/2022 13:53:59 70.00, -31.85 93.24 12/27/2022 13:52:50 69.99, -31.81 93.23 1.57 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/15/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221215.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/15/2022 in txt file.

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