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: 12/18/2023
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 12/19/2023 16:53:30 -71.51, 100.27 85.10 12/19/2023 16:54:41 -71.47, 100.50 85.16 9.22 71
2 12/19/2023 17:44:12 71.30, -92.05 94.68 12/19/2023 17:44:05 71.31, -92.09 94.70 2.10 7
3 12/19/2023 18:34:46 -70.79, 76.14 85.85 12/19/2023 18:33:36 -70.84, 74.83 85.76 48.03 70
4 12/22/2023 04:56:49 71.88, 98.79 95.33 12/22/2023 04:57:58 71.80, 100.16 95.19 48.56 69
5 12/22/2023 05:47:22 -71.32, -92.88 85.27 12/22/2023 05:47:29 -71.33, -92.95 85.26 2.61 7
6 12/22/2023 06:38:05 71.16, 74.71 94.57 12/22/2023 06:36:52 71.22, 74.54 94.64 8.53 73
7 12/24/2023 17:50:34 71.34, -93.71 94.75 12/24/2023 17:50:51 71.35, -93.79 94.75 2.68 17
8 12/24/2023 18:41:16 -71.25, 73.78 85.36 12/24/2023 18:40:15 -71.26, 73.73 85.34 2.40 61
9 12/27/2023 05:53:44 -71.38, -94.56 85.29 12/27/2023 05:54:14 -71.36, -94.64 85.30 3.17 30
10 12/27/2023 06:44:28 71.28, 72.92 94.61 12/27/2023 06:43:36 71.30, 72.93 94.64 2.96 52
11 12/29/2023 17:56:56 71.42, -95.43 94.65 12/29/2023 17:57:34 71.43, -95.41 94.65 1.12 38
12 12/29/2023 18:47:38 -71.32, 72.06 85.46 12/29/2023 18:46:59 -71.29, 72.04 85.49 3.27 39

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 12/18/2023
SNOs_Map_NOAA-21_TERRA_20231218.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 12/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA