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: 8/25/2023
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 08/26/2023 16:07:41 -69.99, 114.19 120.40 08/26/2023 16:08:24 -69.97, 114.18 120.42 2.37 43
2 08/26/2023 16:58:25 69.86, -78.31 59.49 08/26/2023 16:57:51 69.87, -78.31 59.50 0.92 34
3 08/29/2023 07:34:06 70.67, 61.57 61.24 08/29/2023 07:35:15 70.56, 63.28 61.08 64.02 69
4 08/29/2023 08:24:36 -69.95,-129.99 119.50 08/29/2023 08:24:54 -69.95,-129.97 119.50 0.80 18
5 08/29/2023 09:15:20 69.83, 37.51 60.39 08/29/2023 09:14:21 69.85, 37.53 60.41 2.89 59
6 08/31/2023 23:50:50 70.00, 178.38 61.50 08/31/2023 23:51:55 70.02, 178.37 61.51 1.49 65
7 09/01/2023 00:41:32 -69.92, -14.18 118.58 09/01/2023 00:41:25 -69.91, -14.15 118.59 1.52 7
8 09/01/2023 01:32:09 69.42, 153.85 60.92 09/01/2023 01:30:58 69.47, 152.90 61.00 37.77 71
9 09/03/2023 16:07:46 69.98, -65.83 62.45 09/03/2023 16:08:25 70.00, -65.77 62.46 3.03 39
10 09/03/2023 16:58:27 -69.84, 101.70 117.69 09/03/2023 16:57:56 -69.84, 101.64 117.69 2.34 31
11 09/06/2023 07:34:10 -70.71,-118.52 115.82 09/06/2023 07:35:18 -70.62,-116.63 115.97 70.44 68
12 09/06/2023 08:24:41 69.91, 50.04 63.36 09/06/2023 08:24:56 69.90, 49.98 63.35 2.60 15
13 09/06/2023 09:15:23 -69.82,-142.51 116.72 09/06/2023 09:14:26 -69.80,-142.53 116.74 2.59 57

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/25/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230826.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/25/2023 in txt file.

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