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: 5/14/2023
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 05/14/2023 15:17:43 -70.15, 126.60 128.60 05/14/2023 15:18:38 -70.13, 126.64 128.63 2.83 55
2 05/14/2023 16:08:27 70.02, -65.90 51.27 05/14/2023 16:08:05 70.03, -65.86 51.27 1.89 22
3 05/14/2023 16:58:55 -69.20, 102.61 129.59 05/14/2023 16:57:47 -69.25, 100.72 129.49 74.77 68
4 05/17/2023 07:34:37 -70.08,-117.54 129.29 05/17/2023 07:35:05 -70.09,-117.53 129.29 0.85 28
5 05/17/2023 08:25:21 69.96, 49.95 50.58 05/17/2023 08:24:32 69.99, 49.97 50.61 3.08 49
6 05/19/2023 23:00:51 70.17,-169.23 50.22 05/19/2023 23:02:03 70.13,-169.22 50.18 3.73 72
7 05/19/2023 23:51:32 -70.03, -1.70 129.93 05/19/2023 23:51:33 -70.02, -1.75 129.94 1.95 1
8 05/20/2023 00:42:14 69.80, 165.95 49.83 05/20/2023 00:41:01 69.86, 165.67 49.90 12.53 73
9 05/22/2023 15:17:46 70.13, -53.40 49.64 05/22/2023 15:18:29 70.14, -53.33 49.65 3.35 43
10 05/22/2023 16:08:27 -69.98, 114.13 130.52 05/22/2023 16:08:00 -69.98, 114.08 130.52 2.29 27
11 05/25/2023 06:44:10 -70.89,-106.16 130.07 05/25/2023 06:45:18 -70.78,-104.15 130.23 74.35 68
12 05/25/2023 07:34:41 70.09, 62.42 49.10 05/25/2023 07:34:56 70.06, 62.45 49.07 3.25 15
13 05/25/2023 08:25:22 -69.95,-130.05 131.06 05/25/2023 08:24:26 -69.96,-130.07 131.05 1.54 56
14 05/27/2023 23:00:50 -70.12, 10.82 131.32 05/27/2023 23:01:54 -70.13, 10.78 131.33 1.61 64
15 05/27/2023 23:51:34 70.01, 178.30 48.56 05/27/2023 23:51:21 70.01, 178.26 48.56 1.49 13
16 05/28/2023 00:42:08 -69.50, -13.62 131.98 05/28/2023 00:40:57 -69.58, -14.70 131.87 43.16 71

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/14/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230514.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/14/2023 in txt file.

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