Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/20/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/22/2023 15:37:50 -70.43, 121.34 99.38 02/22/2023 15:38:59 -70.44, 121.29 99.38 1.92 69
2 02/22/2023 16:28:34 70.32, -71.18 80.50 02/22/2023 16:28:22 70.33, -71.21 80.50 1.43 12
3 02/22/2023 17:19:06 -69.70, 97.08 100.18 02/22/2023 17:17:56 -69.80, 95.69 100.01 54.32 70
4 02/25/2023 04:31:45 -70.45, -72.18 100.29 02/25/2023 04:32:49 -70.47, -72.15 100.29 2.14 64
5 02/25/2023 05:22:29 70.34, 95.30 79.58 02/25/2023 05:22:12 70.35, 95.33 79.58 1.18 17
6 02/25/2023 06:12:58 -69.56, -96.21 101.26 02/25/2023 06:11:50 -69.60, -98.06 101.13 71.79 68
7 02/27/2023 17:25:40 -70.43, 94.36 101.27 02/27/2023 17:26:40 -70.46, 94.35 101.25 3.16 60
8 02/27/2023 18:16:24 70.33, -98.16 78.61 02/27/2023 18:16:03 70.33, -98.18 78.62 0.82 21
9 02/27/2023 19:06:50 -69.38, 70.56 102.40 02/27/2023 19:05:43 -69.48, 68.30 102.19 89.25 67
10 03/02/2023 06:19:36 -70.47, -99.19 102.19 03/02/2023 06:20:30 -70.47, -99.13 102.21 2.28 54
11 03/02/2023 07:10:19 70.32, 68.37 77.63 03/02/2023 07:09:53 70.33, 68.34 77.65 1.79 26
12 03/04/2023 19:13:30 -70.42, 67.42 103.23 03/04/2023 19:14:20 -70.43, 67.35 103.22 3.24 50
13 03/04/2023 20:04:14 70.32,-125.12 76.66 03/04/2023 20:03:42 70.35,-125.11 76.69 3.48 32

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/20/2023
SNOs_Map_NOAA-21_TERRA_20230220.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/20/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA