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: 12/19/2023
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 12/19/2023 16:53:30 -71.50, 100.29 85.11 12/19/2023 16:54:41 -71.48, 100.51 85.15 8.26 71
2 12/19/2023 17:44:13 71.34, -92.12 94.73 12/19/2023 17:44:05 71.32, -92.07 94.71 2.47 8
3 12/19/2023 18:34:46 -70.78, 76.15 85.86 12/19/2023 18:33:36 -70.85, 74.85 85.75 48.38 70
4 12/22/2023 04:56:49 71.87, 98.81 95.32 12/22/2023 04:57:59 71.76, 100.09 95.16 46.46 70
5 12/22/2023 05:47:23 -71.36, -92.95 85.22 12/22/2023 05:47:29 -71.34, -92.93 85.25 2.75 6
6 12/22/2023 06:38:05 71.15, 74.72 94.56 12/22/2023 06:36:53 71.18, 74.48 94.60 9.26 72
7 12/24/2023 17:50:35 71.39, -93.79 94.79 12/24/2023 17:50:51 71.37, -93.76 94.77 2.22 16
8 12/24/2023 18:41:17 -71.29, 73.70 85.32 12/24/2023 18:40:15 -71.28, 73.76 85.32 2.24 62
9 12/27/2023 05:53:44 -71.37, -94.55 85.30 12/27/2023 05:54:14 -71.39, -94.60 85.28 2.64 30
10 12/27/2023 06:44:28 71.27, 72.94 94.60 12/27/2023 06:43:37 71.27, 72.88 94.61 2.33 51
11 12/29/2023 17:56:56 71.41, -95.42 94.64 12/29/2023 17:57:35 71.40, -95.45 94.62 1.55 39
12 12/29/2023 18:47:38 -71.31, 72.08 85.47 12/29/2023 18:46:59 -71.32, 72.08 85.46 1.09 39
13 01/01/2024 06:00:04 -71.41, -96.20 85.53 01/01/2024 06:00:56 -71.43, -96.28 85.52 3.15 52
14 01/01/2024 06:50:49 71.37, 71.19 94.43 01/01/2024 06:50:18 71.36, 71.27 94.42 3.03 31

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/19/2023
SNOs_Map_NOAA-21_TERRA_20231219.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/19/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA