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: 2/18/2023
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 02/20/2023 02:43:55 -70.47, -45.24 98.42 02/20/2023 02:45:07 -70.44, -45.22 98.46 3.51 72
2 02/20/2023 03:34:38 70.30, 122.34 81.40 02/20/2023 03:34:30 70.33, 122.28 81.42 3.29 8
3 02/20/2023 04:25:13 -69.84, -69.65 99.11 02/20/2023 04:24:02 -69.90, -70.67 98.99 39.68 71
4 02/22/2023 15:37:50 -70.43, 121.33 99.38 02/22/2023 15:38:59 -70.44, 121.29 99.38 1.75 69
5 02/22/2023 16:28:34 70.32, -71.18 80.50 02/22/2023 16:28:22 70.32, -71.22 80.50 1.60 12
6 02/22/2023 17:19:05 -69.70, 97.08 100.18 02/22/2023 17:17:55 -69.79, 95.69 100.01 54.31 70
7 02/25/2023 04:31:45 -70.46, -72.20 100.28 02/25/2023 04:32:49 -70.45, -72.18 100.31 1.65 64
8 02/25/2023 05:22:28 70.30, 95.36 79.54 02/25/2023 05:22:12 70.32, 95.30 79.56 3.23 16
9 02/25/2023 06:12:58 -69.57, -96.22 101.25 02/25/2023 06:11:49 -69.63, -98.01 101.10 69.61 69
10 02/27/2023 17:25:40 -70.45, 94.33 101.25 02/27/2023 17:26:39 -70.47, 94.36 101.25 2.12 59
11 02/27/2023 18:16:24 70.35, -98.19 78.63 02/27/2023 18:16:02 70.33, -98.17 78.62 1.79 22
12 02/27/2023 19:06:50 -69.40, 70.54 102.38 02/27/2023 19:05:43 -69.43, 68.24 102.24 89.90 67
13 03/02/2023 06:19:35 -70.45, -99.15 102.21 03/02/2023 06:20:29 -70.44, -99.15 102.24 1.26 54
14 03/02/2023 07:10:19 70.35, 68.32 77.67 03/02/2023 07:09:51 70.36, 68.39 77.68 2.72 28

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/18/2023
SNOs_Map_NOAA-21_TERRA_20230218.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA