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: 4/30/2023
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 05/02/2023 14:29:13 70.66, -41.75 55.18 05/02/2023 14:29:42 70.65, -41.80 55.17 2.28 29
2 05/02/2023 15:19:55 -70.57, 125.71 124.92 05/02/2023 15:19:07 -70.55, 125.70 124.94 2.81 48
3 05/05/2023 02:32:33 -71.19, -43.42 125.00 05/05/2023 02:33:43 -71.05, -42.26 125.18 44.78 70
4 05/05/2023 03:23:09 70.66, 124.78 54.44 05/05/2023 03:23:12 70.64, 124.78 54.42 2.32 3
5 05/05/2023 04:13:50 -70.52, -67.68 125.72 05/05/2023 04:12:37 -70.54, -67.72 125.69 2.58 73
6 05/07/2023 15:26:20 -70.73, 123.88 126.20 05/07/2023 15:27:18 -70.74, 123.87 126.19 1.59 58
7 05/07/2023 16:17:04 70.61, -68.62 53.68 05/07/2023 16:16:42 70.60, -68.68 53.67 2.56 22
8 05/10/2023 04:20:16 -70.74, -69.61 126.87 05/10/2023 04:20:47 -70.73, -69.54 126.88 2.82 31
9 05/10/2023 05:10:59 70.57, 97.96 52.95 05/10/2023 05:10:11 70.59, 97.91 52.97 2.61 48
10 05/12/2023 16:23:36 71.16, -71.12 52.93 05/12/2023 16:24:46 71.06, -70.08 52.80 38.96 70
11 05/12/2023 17:14:11 -70.70, 96.97 127.56 05/12/2023 17:14:16 -70.70, 97.02 127.57 1.69 5
12 05/12/2023 18:04:53 70.49, -95.37 52.21 05/12/2023 18:03:40 70.55, -95.54 52.28 9.38 73

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/30/2023
SNOs_Map_NOAA-20_TERRA_20230430.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/30/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA