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: 5/17/2023
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 05/17/2023 07:34:37 -70.06,-117.51 129.31 05/17/2023 07:35:06 -70.06,-117.57 129.32 2.39 29
2 05/17/2023 08:25:22 69.99, 49.91 50.61 05/17/2023 08:24:33 69.96, 49.93 50.58 3.03 49
3 05/19/2023 23:00:52 70.19,-169.27 50.25 05/19/2023 23:02:03 70.18,-169.16 50.22 4.30 71
4 05/19/2023 23:51:33 -70.06, -1.74 129.90 05/19/2023 23:51:33 -70.06, -1.69 129.90 1.85 0
5 05/20/2023 00:42:15 69.83, 165.91 49.86 05/20/2023 00:41:02 69.85, 165.65 49.89 10.30 73
6 05/22/2023 15:17:45 70.09, -53.35 49.60 05/22/2023 15:18:30 70.09, -53.40 49.60 1.87 45
7 05/22/2023 16:08:27 -70.01, 114.10 130.50 05/22/2023 16:08:00 -69.98, 114.08 130.52 2.69 27
8 05/25/2023 06:44:10 -70.90,-106.18 130.06 05/25/2023 06:45:18 -70.81,-104.10 130.20 76.53 68
9 05/25/2023 07:34:40 70.05, 62.48 49.06 05/25/2023 07:34:57 70.05, 62.42 49.05 2.37 17
10 05/25/2023 08:25:22 -69.96,-130.07 131.05 05/25/2023 08:24:27 -69.94,-130.10 131.07 3.00 55
11 05/27/2023 23:00:51 -70.13, 10.81 131.32 05/27/2023 23:01:56 -70.14, 10.80 131.31 1.59 65
12 05/27/2023 23:51:35 70.02, 178.30 48.56 05/27/2023 23:51:23 70.03, 178.28 48.57 1.53 12
13 05/28/2023 00:42:10 -69.55, -13.70 131.93 05/28/2023 00:40:59 -69.59, -14.69 131.86 38.53 71
14 05/30/2023 15:17:46 -70.10, 126.63 131.77 05/30/2023 15:18:22 -70.11, 126.63 131.76 0.83 36
15 05/30/2023 16:08:30 69.99, -65.90 48.12 05/30/2023 16:07:49 69.99, -65.89 48.12 0.31 41

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/17/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230517.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/17/2023 in txt file.

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