Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/28/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 10/30/2023 06:57:44 -70.14,-108.12 96.26 10/30/2023 06:58:34 -70.16,-108.06 96.24 3.16 50
2 10/30/2023 07:48:28 70.01, 59.38 83.63 10/30/2023 07:48:02 70.00, 59.36 83.62 1.60 26
3 10/30/2023 08:38:53 -69.03,-131.88 97.34 10/30/2023 08:37:46 -69.11,-134.20 97.26 92.63 67
4 11/01/2023 22:24:13 70.89,-160.88 85.36 11/01/2023 22:25:21 70.79,-158.86 85.26 74.56 68
5 11/01/2023 23:14:41 -70.06, 7.75 95.47 11/01/2023 23:15:02 -70.07, 7.72 95.45 1.82 21
6 11/02/2023 00:05:26 69.99, 175.16 84.48 11/02/2023 00:04:29 69.97, 175.21 84.45 3.28 57
7 11/04/2023 14:40:57 70.14, -43.93 85.44 11/04/2023 14:41:59 70.12, -43.95 85.43 1.52 62
8 11/04/2023 15:31:39 -70.05, 123.53 94.64 11/04/2023 15:31:29 -70.01, 123.53 94.68 3.41 10
9 11/04/2023 16:22:14 69.45, -68.28 84.78 11/04/2023 16:21:04 69.46, -69.59 84.78 50.95 70
10 11/07/2023 06:57:53 70.08, 71.92 86.19 11/07/2023 06:58:24 70.08, 71.89 86.20 1.20 31
11 11/07/2023 07:48:35 -69.98,-120.62 93.90 11/07/2023 07:47:54 -69.98,-120.63 93.91 0.81 41
12 11/09/2023 22:24:09 -70.29, 20.03 92.83 11/09/2023 22:25:21 -70.24, 20.36 92.89 14.04 72
13 11/09/2023 23:14:50 70.03,-172.25 86.92 11/09/2023 23:14:50 70.01,-172.31 86.90 3.03 0
14 11/10/2023 00:05:32 -69.93, -4.78 93.18 11/10/2023 00:04:20 -69.90, -4.83 93.20 3.16 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/28/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231028.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/28/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9