Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/20/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 12/20/2023 06:52:30 72.33, 69.52 95.76 12/20/2023 06:53:36 72.22, 71.97 95.58 83.75 66
2 12/20/2023 07:42:58 -71.50,-121.62 85.11 12/20/2023 07:43:12 -71.47,-121.63 85.14 3.67 14
3 12/20/2023 08:33:42 71.40, 45.87 94.80 12/20/2023 08:32:35 71.37, 45.87 94.77 3.61 67
4 12/22/2023 19:46:09 71.51,-122.42 94.92 12/22/2023 19:46:34 71.53,-122.42 94.94 2.28 25
5 12/22/2023 20:36:51 -71.40, 45.08 85.19 12/22/2023 20:35:58 -71.44, 45.09 85.16 3.52 53
6 12/25/2023 07:49:18 -71.56,-123.30 85.05 12/25/2023 07:49:56 -71.56,-123.23 85.06 2.48 38
7 12/25/2023 08:40:02 71.47, 44.18 94.85 12/25/2023 08:39:19 71.46, 44.25 94.84 2.87 43
8 12/27/2023 19:52:29 71.58,-124.13 94.90 12/27/2023 19:53:18 71.55,-124.12 94.86 3.13 49
9 12/27/2023 20:43:11 -71.48, 43.37 85.22 12/27/2023 20:42:42 -71.47, 43.40 85.23 1.07 29
10 12/30/2023 07:55:38 -71.60,-124.95 85.22 12/30/2023 07:56:40 -71.60,-124.93 85.23 0.64 62
11 12/30/2023 08:46:22 71.51, 42.53 94.69 12/30/2023 08:46:03 71.48, 42.54 94.66 2.82 19
12 12/30/2023 09:36:48 -70.57,-148.56 86.31 12/30/2023 09:35:42 -70.58,-151.18 86.19 97.07 66
13 01/01/2024 19:58:49 71.64,-125.81 94.65 01/01/2024 20:00:00 71.63,-125.74 94.63 2.44 71
14 01/01/2024 20:49:31 -71.53, 41.71 85.47 01/01/2024 20:49:25 -71.50, 41.70 85.50 3.05 6

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 12/20/2023
SNOs_Map_NOAA-20_TERRA_20231220.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 12/20/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA