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: 1/16/2023
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 01/17/2023 06:45:11 -70.20,-105.05 89.02 01/17/2023 06:46:23 -70.16,-104.98 89.07 4.91 72
2 01/17/2023 07:35:54 70.03, 62.52 90.80 01/17/2023 07:35:50 70.06, 62.51 90.82 2.82 4
3 01/17/2023 08:26:34 -69.84,-129.88 89.41 01/17/2023 08:25:21 -69.89,-130.09 89.35 10.00 73
4 01/19/2023 23:02:03 -70.10, 10.87 89.66 01/19/2023 23:02:49 -70.13, 10.87 89.64 3.41 46
5 01/19/2023 23:52:46 69.99, 178.35 90.21 01/19/2023 23:52:16 69.97, 178.28 90.20 3.65 30
6 01/22/2023 14:28:26 70.85, -41.86 90.55 01/22/2023 14:29:34 70.71, -40.02 90.34 69.12 68
7 01/22/2023 15:18:55 -70.07, 126.69 90.28 01/22/2023 15:19:14 -70.06, 126.65 90.30 2.08 19
8 01/22/2023 16:09:39 69.96, -65.83 89.60 01/22/2023 16:08:41 69.94, -65.86 89.59 2.20 58
9 01/25/2023 06:45:06 70.15, 75.03 89.18 01/25/2023 06:46:08 70.15, 75.05 89.17 0.95 62
10 01/25/2023 07:35:48 -70.05,-117.51 90.93 01/25/2023 07:35:38 -70.04,-117.47 90.95 2.16 10
11 01/25/2023 08:26:23 69.47, 50.66 88.45 01/25/2023 08:25:13 69.48, 49.41 88.52 48.90 70
12 01/27/2023 23:01:58 70.09,-169.12 88.45 01/27/2023 23:02:32 70.08,-169.14 88.43 1.43 34
13 01/27/2023 23:52:40 -70.00, -1.65 91.67 01/27/2023 23:52:02 -69.98, -1.65 91.68 2.04 38

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/16/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230116.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/16/2023 in txt file.

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