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: 12/11/2022
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 12/13/2022 07:53:29 -70.17,-121.98 86.78 12/13/2022 07:54:28 -70.19,-121.95 86.76 2.38 59
2 12/13/2022 08:44:13 70.05, 45.50 93.11 12/13/2022 08:43:56 70.03, 45.47 93.09 2.72 17
3 12/13/2022 09:34:41 -69.74,-146.67 87.21 12/13/2022 09:33:28 -69.81,-147.20 87.13 22.06 73
4 12/16/2022 04:17:40 70.13, 112.03 93.35 12/16/2022 04:18:08 70.13, 112.06 93.35 1.40 28
5 12/16/2022 05:08:12 -70.01, -80.43 86.78 12/16/2022 05:07:38 -70.03, -80.46 86.76 2.18 34
6 12/18/2022 23:51:09 70.27, 178.45 93.60 12/18/2022 23:52:21 70.22, 178.62 93.53 9.08 72
7 12/19/2022 00:41:40 -70.08, -13.90 86.60 12/19/2022 00:41:51 -70.11, -13.90 86.58 2.94 11
8 12/19/2022 01:32:24 70.00, 153.54 93.32 12/19/2022 01:31:18 70.00, 153.59 93.32 2.03 66
9 12/21/2022 20:15:08 -70.17, 52.60 86.47 12/21/2022 20:16:04 -70.17, 52.63 86.48 1.13 56
10 12/21/2022 21:05:51 70.06,-139.91 93.42 12/21/2022 21:05:31 70.06,-139.88 93.41 1.16 20
11 12/21/2022 21:56:18 -69.64, 28.07 87.02 12/21/2022 21:55:06 -69.68, 27.22 86.96 33.22 72
12 12/24/2022 16:39:16 70.09, -73.31 93.42 12/24/2022 16:39:43 70.09, -73.39 93.42 2.99 27
13 12/24/2022 17:29:50 -70.01, 94.17 86.67 12/24/2022 17:29:13 -69.99, 94.10 86.68 2.93 37

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/11/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221211.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/11/2022 in txt file.

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