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: 9/18/2023
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 09/18/2023 07:36:59 71.21, 60.47 69.23 09/18/2023 07:37:43 71.18, 60.47 69.20 2.76 44
2 09/18/2023 08:27:40 -71.08,-131.99 110.90 09/18/2023 08:27:08 -71.08,-132.05 110.90 2.19 32
3 09/20/2023 19:40:16 -71.74, 58.75 109.26 09/20/2023 19:41:26 -71.60, 60.15 109.44 51.21 70
4 09/20/2023 20:30:51 71.16,-132.92 70.15 09/20/2023 20:30:55 71.17,-132.89 70.16 1.71 4
5 09/20/2023 21:21:33 -71.07, 34.55 109.93 09/20/2023 21:20:20 -71.07, 34.61 109.93 2.44 73
6 09/23/2023 08:33:58 -71.22,-133.81 108.82 09/23/2023 08:34:43 -71.23,-133.77 108.81 1.90 45
7 09/23/2023 09:24:42 71.11, 33.69 71.08 09/23/2023 09:24:06 71.11, 33.71 71.09 0.76 36
8 09/25/2023 20:37:15 71.63,-135.33 72.58 09/25/2023 20:38:25 71.51,-134.30 72.43 38.80 70
9 09/25/2023 21:27:50 -71.18, 32.78 107.88 09/25/2023 21:27:55 -71.15, 32.78 107.91 3.44 5
10 09/25/2023 22:18:31 70.92,-159.46 71.87 09/25/2023 22:17:19 70.97,-159.84 71.93 15.17 72
11 09/28/2023 09:31:00 71.24, 31.89 73.16 09/28/2023 09:31:40 71.22, 31.92 73.13 2.43 40
12 09/28/2023 10:21:42 -71.15,-160.63 106.92 09/28/2023 10:21:05 -71.14,-160.55 106.93 3.14 37
13 09/30/2023 21:34:13 -71.58, 30.51 105.52 09/30/2023 21:35:24 -71.48, 31.35 105.65 31.87 71
14 09/30/2023 22:24:51 71.17,-161.45 74.07 09/30/2023 22:24:50 71.17,-161.48 74.07 0.94 1

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 9/18/2023
SNOs_Map_NOAA-20_TERRA_20230918.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 09/18/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA