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: 3/18/2023
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 03/19/2023 23:46:12 70.64, 178.86 71.02 03/19/2023 23:47:23 70.58, 179.13 70.93 12.31 71
2 03/20/2023 00:36:52 -70.45, -13.51 109.20 03/20/2023 00:36:50 -70.43, -13.43 109.22 3.26 2
3 03/20/2023 01:27:29 69.97, 154.54 70.28 03/20/2023 01:26:18 70.03, 153.65 70.39 34.51 71
4 03/22/2023 12:40:03 70.54, -14.46 69.91 03/22/2023 12:41:06 70.54, -14.38 69.89 3.04 63
5 03/22/2023 13:30:44 -70.40, 153.09 110.27 03/22/2023 13:30:33 -70.40, 153.06 110.26 1.12 11
6 03/22/2023 14:21:14 69.60, -38.39 68.89 03/22/2023 14:20:06 69.66, -40.31 69.03 74.39 68
7 03/25/2023 01:33:54 70.50, 152.13 68.86 03/25/2023 01:34:47 70.52, 152.15 68.87 2.24 53
8 03/25/2023 02:24:36 -70.41, -40.40 111.26 03/25/2023 02:24:14 -70.38, -40.41 111.29 3.31 22
9 03/27/2023 14:27:46 70.48, -41.30 67.83 03/27/2023 14:28:29 70.47, -41.38 67.81 3.19 43
10 03/27/2023 15:18:28 -70.38, 126.17 112.29 03/27/2023 15:17:55 -70.37, 126.14 112.29 1.29 33
11 03/30/2023 03:21:38 70.46, 125.25 66.82 03/30/2023 03:22:09 70.48, 125.20 66.83 2.53 31
12 03/30/2023 04:12:20 -70.36, -67.28 113.31 03/30/2023 04:11:35 -70.39, -67.29 113.28 2.77 45

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/18/2023
SNOs_Map_NOAA-21_TERRA_20230318.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA