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: 3/26/2023
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 03/27/2023 15:18:23 -70.11, 126.58 112.57 03/27/2023 15:19:01 -70.09, 126.63 112.60 3.14 38
2 03/27/2023 16:09:07 70.00, -65.94 67.30 03/27/2023 16:08:28 69.98, -65.88 67.29 2.97 39
3 03/30/2023 06:44:40 70.59, 74.30 66.89 03/30/2023 06:45:50 70.51, 75.49 66.77 44.91 70
4 03/30/2023 07:35:14 -70.07,-117.58 113.66 03/30/2023 07:35:26 -70.07,-117.51 113.68 2.53 12
5 03/30/2023 08:25:58 69.96, 49.90 66.21 03/30/2023 08:24:53 69.96, 49.98 66.21 3.07 65
6 04/01/2023 23:01:21 70.09,-169.14 65.33 04/01/2023 23:02:20 70.10,-169.20 65.33 2.75 59
7 04/01/2023 23:52:03 -70.00, -1.68 114.79 04/01/2023 23:51:50 -69.99, -1.73 114.79 1.89 13
8 04/02/2023 00:42:36 69.30, 166.64 64.48 04/02/2023 00:41:27 69.32, 165.01 64.56 64.00 69
9 04/04/2023 15:18:12 70.08, -53.35 64.29 04/04/2023 15:18:43 70.08, -53.33 64.28 0.73 31
10 04/04/2023 16:08:54 -69.99, 114.11 115.83 04/04/2023 16:08:13 -69.97, 114.15 115.84 2.33 41
11 04/07/2023 06:44:24 -70.46,-105.46 116.33 04/07/2023 06:45:35 -70.34,-104.70 116.48 31.08 71
12 04/07/2023 07:35:02 70.04, 62.50 63.23 04/07/2023 07:35:05 70.06, 62.54 63.24 2.72 3
13 04/07/2023 08:25:44 -69.94,-130.03 116.89 04/07/2023 08:24:35 -69.95,-129.97 116.88 2.55 69

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/26/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230326.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/26/2023 in txt file.

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