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: 12/18/2022
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 12/18/2022 23:51:09 70.25, 178.48 93.58 12/18/2022 23:52:21 70.22, 178.63 93.54 6.59 72
2 12/19/2022 00:41:41 -70.12, -13.95 86.57 12/19/2022 00:41:51 -70.11, -13.90 86.58 2.14 10
3 12/19/2022 01:32:24 69.98, 153.57 93.30 12/19/2022 01:31:18 70.01, 153.60 93.33 3.06 66
4 12/21/2022 20:15:07 -70.16, 52.63 86.49 12/21/2022 20:16:03 -70.16, 52.62 86.49 0.98 56
5 12/21/2022 21:05:50 70.04,-139.88 93.40 12/21/2022 21:05:30 70.06,-139.89 93.41 1.58 20
6 12/21/2022 21:56:17 -69.62, 28.10 87.04 12/21/2022 21:55:05 -69.67, 27.21 86.97 35.06 72
7 12/24/2022 16:39:17 70.13, -73.36 93.46 12/24/2022 16:39:42 70.14, -73.32 93.47 2.19 25
8 12/24/2022 17:29:51 -70.04, 94.12 86.63 12/24/2022 17:29:12 -70.03, 94.15 86.64 1.84 39
9 12/27/2022 12:12:43 70.17, -6.79 93.42 12/27/2022 12:13:54 70.20, -6.79 93.44 3.01 71
10 12/27/2022 13:03:18 -70.11, 160.65 86.65 12/27/2022 13:03:24 -70.10, 160.69 86.67 2.30 6
11 12/27/2022 13:54:00 70.01, -31.87 93.25 12/27/2022 13:52:51 69.98, -31.82 93.23 3.22 69
12 12/30/2022 08:36:43 -70.15,-132.75 86.76 12/30/2022 08:37:35 -70.14,-132.80 86.77 2.22 52
13 12/30/2022 09:27:25 70.08, 34.68 93.17 12/30/2022 09:27:01 70.08, 34.76 93.17 2.98 24
14 12/30/2022 10:17:50 -69.45,-157.05 87.48 12/30/2022 10:16:40 -69.48,-158.43 87.42 53.89 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/18/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221219.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/18/2022 in txt file.

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