Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/25/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 04/27/2023 07:09:04 -70.20,-111.28 123.65 04/27/2023 07:10:16 -70.16,-111.26 123.70 3.89 72
2 04/27/2023 07:59:48 70.08, 56.20 56.22 04/27/2023 07:59:43 70.06, 56.23 56.19 3.07 5
3 04/27/2023 08:50:27 -69.84,-136.12 124.04 04/27/2023 08:49:14 -69.89,-136.37 123.98 11.04 73
4 04/29/2023 23:25:52 -70.16, 4.58 124.54 04/29/2023 23:26:44 -70.15, 4.59 124.55 0.95 52
5 04/30/2023 00:16:36 70.04, 172.05 55.34 04/30/2023 00:16:11 70.04, 172.08 55.34 1.24 25
6 04/30/2023 01:07:01 -69.11, -19.27 125.63 04/30/2023 01:05:54 -69.16, -21.47 125.53 87.19 67
7 05/02/2023 15:42:39 -70.13, 120.40 125.37 05/02/2023 15:43:10 -70.15, 120.48 125.36 3.30 31
8 05/02/2023 16:33:22 69.97, -72.04 54.45 05/02/2023 16:32:38 69.98, -72.12 54.47 2.96 44
9 05/05/2023 07:08:52 70.59, 68.16 54.33 05/05/2023 07:10:02 70.49, 69.22 54.20 40.86 70
10 05/05/2023 07:59:26 -70.08,-123.72 126.21 05/05/2023 07:59:38 -70.06,-123.78 126.24 3.43 12
11 05/05/2023 08:50:10 69.98, 43.75 53.67 05/05/2023 08:49:04 70.00, 43.78 53.70 2.50 66
12 05/07/2023 23:25:32 70.20,-175.41 53.17 05/07/2023 23:26:33 70.19,-175.33 53.15 3.07 61
13 05/08/2023 00:16:13 -70.05, -7.87 126.99 05/08/2023 00:16:04 -70.03, -7.92 127.01 2.70 9
14 05/08/2023 01:06:48 69.47, 160.29 52.40 05/08/2023 01:05:38 69.53, 159.03 52.49 49.79 70

Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_NOAA-21_LANDSAT-8_20230425.jpg

Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/25/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-8