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: 3/28/2023
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 03/30/2023 22:24:28 -70.18, 20.11 113.80 03/30/2023 22:25:20 -70.16, 20.13 113.83 2.21 52
2 03/30/2023 23:15:12 70.07,-172.41 66.07 03/30/2023 23:14:47 70.05,-172.38 66.06 2.05 25
3 03/31/2023 00:05:38 -69.12, -3.71 114.93 03/31/2023 00:04:31 -69.16, -5.95 114.81 88.61 67
4 04/02/2023 13:50:56 70.91, -32.62 65.94 04/02/2023 13:52:04 70.80, -30.66 65.77 72.45 68
5 04/02/2023 14:41:25 -70.12, 135.96 114.90 04/02/2023 14:41:44 -70.14, 136.00 114.89 2.64 19
6 04/02/2023 15:32:09 70.02, -56.57 64.98 04/02/2023 15:31:11 70.03, -56.51 65.00 2.90 58
7 04/05/2023 06:07:40 70.18, 84.31 64.15 04/05/2023 06:08:38 70.19, 84.34 64.15 1.42 58
8 04/05/2023 06:58:22 -70.08,-108.21 115.97 04/05/2023 06:58:08 -70.08,-108.19 115.97 0.93 14
9 04/05/2023 07:48:54 69.34, 60.20 63.25 04/05/2023 07:47:45 69.42, 58.55 63.38 65.17 69
10 04/07/2023 22:24:37 70.16,-159.88 63.11 04/07/2023 22:25:01 70.14,-159.83 63.09 2.32 24
11 04/07/2023 23:15:19 -70.05, 7.60 117.02 04/07/2023 23:14:31 -70.03, 7.64 117.04 2.65 48
12 04/10/2023 13:50:48 -70.18, 148.54 117.86 04/10/2023 13:51:55 -70.21, 148.53 117.84 3.30 67
13 04/10/2023 14:41:32 70.08, -44.00 62.03 04/10/2023 14:41:22 70.10, -43.99 62.04 1.47 10
14 04/10/2023 15:32:08 -69.66, 123.95 118.43 04/10/2023 15:30:57 -69.71, 123.11 118.34 33.07 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/28/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230329.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/28/2023 in txt file.

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