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: 3/19/2023
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 03/20/2023 14:34:59 70.57, -43.13 70.70 03/20/2023 14:36:07 70.57, -43.07 70.68 2.02 68
2 03/20/2023 15:25:40 -70.42, 124.43 109.48 03/20/2023 15:25:34 -70.43, 124.36 109.47 2.71 6
3 03/20/2023 16:16:14 69.78, -67.28 69.84 03/20/2023 16:15:05 69.85, -68.78 69.98 58.10 69
4 03/23/2023 03:28:55 70.56, 123.42 69.67 03/23/2023 03:29:50 70.53, 123.41 69.63 3.46 55
5 03/23/2023 04:19:37 -70.46, -69.10 110.45 03/23/2023 04:19:16 -70.44, -69.07 110.47 2.46 21
6 03/25/2023 16:22:51 70.55, -70.05 68.66 03/25/2023 16:23:31 70.55, -70.00 68.65 1.84 40
7 03/25/2023 17:13:32 -70.39, 97.52 111.52 03/25/2023 17:12:58 -70.41, 97.44 111.51 3.33 34
8 03/28/2023 05:16:47 70.55, 96.47 67.66 03/28/2023 05:17:12 70.54, 96.54 67.64 2.81 25
9 03/28/2023 06:07:28 -70.39, -95.96 112.53 03/28/2023 06:06:39 -70.39, -96.03 112.52 2.58 49
10 03/30/2023 17:20:11 -71.33, 94.37 112.50 03/30/2023 17:21:18 -71.22, 96.47 112.69 75.91 67
11 03/30/2023 18:10:41 70.51, -96.93 66.62 03/30/2023 18:10:52 70.49, -96.98 66.60 2.55 11
12 03/30/2023 19:01:23 -70.40, 70.55 113.51 03/30/2023 19:00:18 -70.40, 70.54 113.51 0.74 65

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/19/2023
SNOs_Map_NOAA-20_TERRA_20230319.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/19/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA