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: 3/22/2023
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 03/22/2023 12:40:02 70.51, -14.42 69.88 03/22/2023 12:41:06 70.51, -14.42 69.86 0.49 64
2 03/22/2023 13:30:44 -70.43, 153.04 110.24 03/22/2023 13:30:32 -70.42, 153.09 110.25 1.95 12
3 03/22/2023 14:21:14 69.57, -38.36 68.86 03/22/2023 14:20:07 69.62, -40.35 69.00 77.63 67
4 03/25/2023 01:33:54 70.48, 152.17 68.83 03/25/2023 01:34:48 70.49, 152.10 68.84 3.23 54
5 03/25/2023 02:24:36 -70.38, -40.37 111.29 03/25/2023 02:24:14 -70.40, -40.39 111.27 1.61 22
6 03/27/2023 14:27:47 70.50, -41.34 67.85 03/27/2023 14:28:29 70.49, -41.35 67.83 1.31 42
7 03/27/2023 15:18:29 -70.40, 126.13 112.27 03/27/2023 15:17:55 -70.39, 126.16 112.28 1.76 34
8 03/30/2023 03:21:38 70.48, 125.22 66.83 03/30/2023 03:22:08 70.50, 125.23 66.85 2.68 30
9 03/30/2023 04:12:20 -70.38, -67.31 113.29 03/30/2023 04:11:34 -70.41, -67.26 113.26 3.20 46
10 04/01/2023 16:15:30 70.47, -68.24 65.83 04/01/2023 16:15:48 70.48, -68.24 65.84 1.34 18
11 04/01/2023 17:06:12 -70.37, 99.24 114.29 04/01/2023 17:05:14 -70.38, 99.26 114.27 1.74 58
12 04/04/2023 04:18:48 -71.09, -70.03 114.48 04/04/2023 04:19:57 -70.98, -68.59 114.64 53.62 69
13 04/04/2023 05:09:22 70.47, 98.29 64.85 04/04/2023 05:09:27 70.48, 98.32 64.86 1.22 5
14 04/04/2023 06:00:04 -70.37, -94.23 115.27 04/04/2023 05:58:53 -70.38, -94.18 115.25 2.10 71

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 3/22/2023
SNOs_Map_NOAA-21_TERRA_20230322.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 03/22/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA