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: 11/2/2023
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 11/03/2023 23:51:09 69.95, 178.31 85.06 11/03/2023 23:52:05 69.93, 178.26 85.05 2.20 56
2 11/04/2023 00:41:51 -69.85, -14.23 95.03 11/04/2023 00:41:34 -69.87, -14.19 95.01 2.81 17
3 11/04/2023 01:32:22 69.04, 154.24 84.18 11/04/2023 01:31:14 69.05, 152.35 84.18 75.04 68
4 11/06/2023 16:08:07 69.88, -65.84 85.81 11/06/2023 16:08:31 69.89, -65.90 85.81 2.29 24
5 11/06/2023 16:58:49 -69.79, 101.62 94.28 11/06/2023 16:58:01 -69.77, 101.57 94.30 2.45 48
6 11/09/2023 07:34:22 -70.00,-117.57 93.31 11/09/2023 07:35:29 -69.97,-117.53 93.34 3.28 67
7 11/09/2023 08:25:05 69.83, 49.98 86.55 11/09/2023 08:24:56 69.86, 49.96 86.57 2.85 9
8 11/09/2023 09:15:42 -69.47,-142.16 93.82 11/09/2023 09:14:30 -69.53,-142.86 93.76 28.16 72
9 11/11/2023 23:51:18 -69.90, -1.67 92.65 11/11/2023 23:51:53 -69.91, -1.72 92.65 2.07 35
10 11/12/2023 00:42:02 69.80, 165.80 87.26 11/12/2023 00:41:20 69.79, 165.77 87.25 1.01 42
11 11/14/2023 15:17:35 70.03, -53.42 88.19 11/14/2023 15:18:46 70.03, -53.27 88.19 5.82 71
12 11/14/2023 16:08:16 -69.87, 114.14 91.97 11/14/2023 16:08:17 -69.87, 114.13 91.98 0.35 1
13 11/14/2023 16:58:58 69.66, -78.25 87.84 11/14/2023 16:57:45 69.69, -78.46 87.87 9.00 73

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/2/2023
SNOs_Map_NOAA-21_LANDSAT-9_20231102.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/02/2023 in txt file.

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