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: 1/15/2023
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 -70.19,-105.03 89.04 01/17/2023 06:46:23 -70.18,-104.96 89.06 2.81 72
2 01/17/2023 07:35:55 70.07, 62.46 90.84 01/17/2023 07:35:50 70.07, 62.53 90.84 2.97 5
3 01/17/2023 08:26:34 -69.83,-129.86 89.43 01/17/2023 08:25:22 -69.85,-130.14 89.38 11.38 72
4 01/19/2023 23:02:03 -70.14, 10.82 89.63 01/19/2023 23:02:49 -70.12, 10.84 89.66 2.40 46
5 01/19/2023 23:52:47 70.03, 178.30 90.25 01/19/2023 23:52:16 70.01, 178.33 90.24 2.44 31
6 01/22/2023 14:28:27 70.88, -41.91 90.58 01/22/2023 14:29:34 70.78, -39.91 90.40 73.76 67
7 01/22/2023 15:18:56 -70.10, 126.64 90.25 01/22/2023 15:19:15 -70.07, 126.67 90.29 3.17 19
8 01/22/2023 16:09:39 69.94, -65.80 89.57 01/22/2023 16:08:42 69.96, -65.84 89.60 2.81 57
9 01/25/2023 06:45:07 70.17, 74.99 89.20 01/25/2023 06:46:10 70.15, 75.05 89.17 3.20 63
10 01/25/2023 07:35:48 -70.02,-117.47 90.97 01/25/2023 07:35:40 -70.05,-117.47 90.94 2.70 8
11 01/25/2023 08:26:24 69.49, 50.63 88.47 01/25/2023 08:25:14 69.54, 49.48 88.58 44.95 70
12 01/27/2023 23:01:59 70.11,-169.14 88.46 01/27/2023 23:02:35 70.08,-169.15 88.43 2.61 36
13 01/27/2023 23:52:41 -70.01, -1.67 91.65 01/27/2023 23:52:05 -69.98, -1.66 91.68 3.08 36

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/15/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230115.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/15/2023 in txt file.

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