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: 7/25/2023
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 07/25/2023 15:17:22 70.21, -53.52 50.62 07/25/2023 15:18:34 70.14, -53.19 50.52 14.76 72
2 07/25/2023 16:08:01 -69.97, 114.18 129.64 07/25/2023 16:08:05 -69.97, 114.20 129.64 0.89 4
3 07/25/2023 16:58:45 69.85, -78.34 50.25 07/25/2023 16:57:32 69.88, -78.28 50.28 3.36 73
4 07/28/2023 07:34:11 70.03, 62.54 51.02 07/28/2023 07:35:08 70.05, 62.55 51.03 1.84 57
5 07/28/2023 08:24:53 -69.94,-130.00 129.07 07/28/2023 08:24:38 -69.93,-129.98 129.08 1.03 15
6 07/28/2023 09:15:25 69.19, 38.39 50.16 07/28/2023 09:14:16 69.23, 36.71 50.27 66.51 69
7 07/30/2023 23:51:02 70.02, 178.34 51.64 07/30/2023 23:51:39 70.04, 178.41 51.65 3.58 37
8 07/31/2023 00:41:43 -69.87, -14.11 128.51 07/31/2023 00:41:10 -69.87, -14.19 128.50 2.91 33
9 08/02/2023 15:17:25 -70.90, 125.42 126.77 08/02/2023 15:18:32 -70.76, 127.71 127.00 84.97 67
10 08/02/2023 16:07:53 69.96, -65.78 52.25 08/02/2023 16:08:12 69.95, -65.84 52.24 2.32 19
11 08/02/2023 16:58:35 -69.86, 101.68 127.85 08/02/2023 16:57:42 -69.84, 101.64 127.86 2.40 53
12 08/05/2023 07:34:03 -70.16,-117.62 126.85 08/05/2023 07:35:15 -70.10,-117.39 126.92 10.86 72
13 08/05/2023 08:24:45 69.95, 50.00 52.95 08/05/2023 08:24:43 69.94, 50.03 52.94 1.73 2
14 08/05/2023 09:15:26 -69.80,-142.45 127.21 08/05/2023 09:14:13 -69.84,-142.49 127.16 4.15 73
15 08/07/2023 23:50:52 -70.01, -1.61 126.27 08/07/2023 23:51:47 -70.02, -1.63 126.27 1.71 55
16 08/08/2023 00:41:36 69.91, 165.85 53.64 08/08/2023 00:41:14 69.91, 165.86 53.64 0.47 22

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230726.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/25/2023 in txt file.

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