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: 3/19/2023
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 23:46:11 70.63, 178.88 71.01 03/19/2023 23:47:22 70.59, 179.15 70.95 10.83 71
2 03/20/2023 00:36:51 -70.43, -13.49 109.22 03/20/2023 00:36:49 -70.45, -13.42 109.21 3.10 2
3 03/20/2023 01:27:28 69.95, 154.56 70.27 03/20/2023 01:26:17 70.04, 153.67 70.40 35.29 71
4 03/22/2023 12:40:02 70.53, -14.43 69.89 03/22/2023 12:41:06 70.50, -14.44 69.85 2.97 64
5 03/22/2023 13:30:44 -70.43, 153.03 110.23 03/22/2023 13:30:32 -70.41, 153.08 110.25 3.27 12
6 03/22/2023 14:21:14 69.58, -38.37 68.87 03/22/2023 14:20:06 69.67, -40.29 69.04 74.93 68
7 03/25/2023 01:33:54 70.49, 152.16 68.84 03/25/2023 01:34:48 70.48, 152.08 68.83 2.75 54
8 03/25/2023 02:24:36 -70.39, -40.38 111.28 03/25/2023 02:24:14 -70.39, -40.40 111.28 0.88 22
9 03/27/2023 14:27:47 70.51, -41.36 67.86 03/27/2023 14:28:28 70.53, -41.28 67.87 3.56 41
10 03/27/2023 15:18:29 -70.41, 126.12 112.26 03/27/2023 15:17:55 -70.38, 126.15 112.28 3.27 34
11 03/30/2023 03:21:39 70.49, 125.20 66.85 03/30/2023 03:22:09 70.49, 125.21 66.84 0.40 30
12 03/30/2023 04:12:21 -70.39, -67.32 113.28 03/30/2023 04:11:35 -70.40, -67.27 113.27 2.00 46
13 04/01/2023 16:15:31 70.48, -68.26 65.85 04/01/2023 16:15:49 70.47, -68.26 65.83 1.63 18
14 04/01/2023 17:06:12 -70.38, 99.22 114.28 04/01/2023 17:05:14 -70.37, 99.25 114.28 1.32 58

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/19/2023
SNOs_Map_NOAA-21_TERRA_20230319.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/19/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA