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: 12/17/2022
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 70.29, 178.43 93.61 12/18/2022 23:52:20 70.24, 178.66 93.56 9.75 71
2 12/19/2022 00:41:40 -70.10, -13.92 86.59 12/19/2022 00:41:51 -70.08, -13.95 86.61 2.42 11
3 12/19/2022 01:32:23 69.96, 153.60 93.28 12/19/2022 01:31:18 69.97, 153.55 93.29 2.37 65
4 12/21/2022 20:15:08 -70.19, 52.58 86.46 12/21/2022 20:16:03 -70.19, 52.65 86.47 2.52 55
5 12/21/2022 21:05:51 70.07,-139.93 93.43 12/21/2022 21:05:30 70.08,-139.86 93.43 2.85 21
6 12/21/2022 21:56:17 -69.60, 28.13 87.06 12/21/2022 21:55:06 -69.64, 27.17 87.00 37.75 71
7 12/24/2022 16:39:17 70.10, -73.33 93.44 12/24/2022 16:39:43 70.11, -73.37 93.44 1.68 26
8 12/24/2022 17:29:51 -70.02, 94.15 86.65 12/24/2022 17:29:13 -70.00, 94.11 86.67 2.69 38
9 12/27/2022 12:12:43 70.21, -6.84 93.46 12/27/2022 12:13:53 70.22, -6.76 93.46 3.34 70
10 12/27/2022 13:03:17 -70.09, 160.69 86.67 12/27/2022 13:03:23 -70.12, 160.72 86.65 3.26 6
11 12/27/2022 13:53:59 69.99, -31.84 93.23 12/27/2022 13:52:50 70.00, -31.79 93.25 2.45 69
12 12/30/2022 08:36:44 -70.18,-132.80 86.73 12/30/2022 08:37:35 -70.16,-132.77 86.75 2.50 51
13 12/30/2022 09:27:25 70.05, 34.71 93.15 12/30/2022 09:27:02 70.04, 34.71 93.13 1.73 23
14 12/30/2022 10:17:50 -69.43,-157.02 87.50 12/30/2022 10:16:40 -69.50,-158.41 87.40 54.46 70

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/17/2022
SNOs_Map_NOAA-21_LANDSAT-9_20221217.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/17/2022 in txt file.

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