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: 12/8/2022
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 12/10/2022 11:29:31 70.34, 3.76 93.17 12/10/2022 11:30:43 70.27, 4.11 93.10 14.79 72
2 12/10/2022 12:20:00 -70.08, 171.51 87.09 12/10/2022 12:20:14 -70.10, 171.50 87.07 2.49 14
3 12/10/2022 13:10:45 70.01, -21.07 92.84 12/10/2022 13:09:41 70.00, -21.00 92.84 2.63 64
4 12/13/2022 07:53:29 -70.18,-122.00 86.77 12/13/2022 07:54:28 -70.18,-121.96 86.78 1.36 59
5 12/13/2022 08:44:13 70.06, 45.49 93.12 12/13/2022 08:43:55 70.07, 45.53 93.13 1.82 18
6 12/13/2022 09:34:41 -69.75,-146.68 87.20 12/13/2022 09:33:28 -69.80,-147.22 87.15 21.48 73
7 12/16/2022 04:17:41 70.13, 112.02 93.35 12/16/2022 04:18:09 70.11, 112.03 93.33 2.55 28
8 12/16/2022 05:08:12 -70.02, -80.44 86.77 12/16/2022 05:07:38 -70.01, -80.48 86.78 1.94 34
9 12/18/2022 23:51:09 70.28, 178.44 93.61 12/18/2022 23:52:20 70.24, 178.66 93.55 9.54 71
10 12/19/2022 00:41:40 -70.09, -13.91 86.59 12/19/2022 00:41:51 -70.08, -13.93 86.61 1.28 11
11 12/19/2022 01:32:23 69.95, 153.60 93.27 12/19/2022 01:31:18 69.97, 153.55 93.29 2.55 65
12 12/21/2022 20:15:08 -70.18, 52.59 86.46 12/21/2022 20:16:03 -70.19, 52.66 86.46 2.72 55
13 12/21/2022 21:05:51 70.07,-139.93 93.43 12/21/2022 21:05:30 70.07,-139.86 93.43 2.47 21
14 12/21/2022 21:56:17 -69.59, 28.14 87.07 12/21/2022 21:55:06 -69.64, 27.18 87.00 37.74 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/8/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221208.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/08/2022 in txt file.

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