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: 3/23/2023
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 03/25/2023 01:33:55 70.51, 152.11 68.87 03/25/2023 01:34:48 70.50, 152.12 68.85 0.71 53
2 03/25/2023 02:24:37 -70.42, -40.42 111.25 03/25/2023 02:24:14 -70.41, -40.37 111.26 2.41 23
3 03/27/2023 14:27:46 70.48, -41.32 67.84 03/27/2023 14:28:28 70.49, -41.34 67.84 1.41 42
4 03/27/2023 15:18:28 -70.39, 126.15 112.28 03/27/2023 15:17:54 -70.40, 126.17 112.27 1.05 34
5 03/30/2023 03:21:38 70.47, 125.23 66.83 03/30/2023 03:22:08 70.50, 125.23 66.85 3.37 30
6 03/30/2023 04:12:20 -70.37, -67.30 113.29 03/30/2023 04:11:34 -70.40, -67.27 113.26 3.30 46
7 04/01/2023 15:25:04 -71.50, 122.71 113.06 04/01/2023 15:26:10 -71.41, 125.52 113.26 99.93 66
8 04/01/2023 16:15:30 70.47, -68.23 65.83 04/01/2023 16:15:48 70.47, -68.26 65.83 1.08 18
9 04/01/2023 17:06:12 -70.37, 99.24 114.29 04/01/2023 17:05:14 -70.37, 99.24 114.28 0.36 58
10 04/04/2023 04:18:47 -71.04, -69.96 114.53 04/04/2023 04:19:57 -70.95, -68.63 114.67 49.17 70
11 04/04/2023 05:09:22 70.47, 98.28 64.86 04/04/2023 05:09:27 70.45, 98.27 64.83 3.24 5
12 04/04/2023 06:00:03 -70.32, -94.16 115.32 04/04/2023 05:58:53 -70.34, -94.22 115.28 3.41 70

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_NOAA-21_TERRA_20230323.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/23/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA