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: 2/24/2023
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 02/25/2023 04:31:45 -70.45, -72.18 100.30 02/25/2023 04:32:50 -70.42, -72.22 100.33 3.20 65
2 02/25/2023 05:22:29 70.33, 95.31 79.57 02/25/2023 05:22:12 70.36, 95.35 79.60 3.12 17
3 02/25/2023 06:12:58 -69.56, -96.20 101.26 02/25/2023 06:11:50 -69.61, -98.05 101.12 71.73 68
4 02/27/2023 17:25:40 -70.43, 94.37 101.27 02/27/2023 17:26:41 -70.42, 94.29 101.29 3.08 61
5 02/27/2023 18:16:24 70.32, -98.15 78.60 02/27/2023 18:16:03 70.35, -98.15 78.64 3.52 21
6 02/27/2023 19:06:51 -69.43, 70.49 102.35 02/27/2023 19:05:44 -69.44, 68.24 102.23 87.80 67
7 03/02/2023 06:19:35 -70.42, -99.11 102.25 03/02/2023 06:20:31 -70.44, -99.17 102.24 3.16 56
8 03/02/2023 07:10:19 70.31, 68.37 77.63 03/02/2023 07:09:54 70.31, 68.30 77.63 2.69 25
9 03/04/2023 19:13:30 -70.42, 67.41 103.22 03/04/2023 19:14:21 -70.42, 67.33 103.23 2.93 51
10 03/04/2023 20:04:14 70.32,-125.12 76.66 03/04/2023 20:03:43 70.34,-125.13 76.69 2.61 31
11 03/07/2023 08:07:24 -70.44,-126.10 104.20 03/07/2023 08:08:09 -70.43,-126.14 104.21 1.76 45
12 03/07/2023 08:58:08 70.33, 41.37 75.69 03/07/2023 08:57:31 70.34, 41.40 75.70 1.37 37
13 03/09/2023 21:01:19 -70.46, 40.38 105.17 03/09/2023 21:01:57 -70.46, 40.42 105.18 1.51 38
14 03/09/2023 21:52:02 70.31,-152.07 74.66 03/09/2023 21:51:20 70.31,-152.12 74.68 2.01 42

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 2/24/2023
SNOs_Map_NOAA-21_TERRA_20230224.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 02/24/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA