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: 12/13/2023
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 12/14/2023 16:47:06 -71.36, 102.12 85.46 12/14/2023 16:47:54 -71.38, 102.13 85.45 2.34 48
2 12/14/2023 17:37:50 71.26, -90.39 94.44 12/14/2023 17:37:17 71.28, -90.37 94.46 2.35 33
3 12/17/2023 04:50:19 71.41, 101.23 94.72 12/17/2023 04:51:18 71.39, 101.27 94.70 2.41 59
4 12/17/2023 05:41:01 -71.31, -91.28 85.38 12/17/2023 05:40:42 -71.31, -91.21 85.39 2.33 19
5 12/19/2023 16:53:30 -71.47, 100.34 85.14 12/19/2023 16:54:42 -71.46, 100.48 85.17 5.34 72
6 12/19/2023 17:44:13 71.32, -92.08 94.70 12/19/2023 17:44:06 71.29, -92.12 94.68 2.92 7
7 12/19/2023 18:34:47 -70.80, 76.11 85.84 12/19/2023 18:33:36 -70.88, 74.90 85.72 45.13 71
8 12/22/2023 04:56:50 71.90, 98.77 95.35 12/22/2023 04:57:59 71.80, 100.17 95.20 49.81 69
9 12/22/2023 05:47:23 -71.33, -92.89 85.26 12/22/2023 05:47:30 -71.34, -92.93 85.25 1.76 7
10 12/22/2023 06:38:06 71.18, 74.68 94.59 12/22/2023 06:36:53 71.22, 74.55 94.65 7.22 73
11 12/24/2023 17:50:36 71.40, -93.81 94.80 12/24/2023 17:50:52 71.38, -93.73 94.78 3.19 16
12 12/24/2023 18:41:16 -71.24, 73.78 85.37 12/24/2023 18:40:16 -71.25, 73.71 85.35 2.57 60

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/13/2023
SNOs_Map_NOAA-21_TERRA_20231213.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/13/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA