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: 5/15/2023
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 05/15/2023 05:17:23 70.76, 96.08 51.90 05/15/2023 05:18:17 70.77, 96.09 51.90 0.72 54
2 05/15/2023 06:08:05 -70.68, -96.47 128.20 05/15/2023 06:07:42 -70.66, -96.42 128.22 3.21 23
3 05/17/2023 18:11:18 70.75, -97.37 51.30 05/17/2023 18:11:44 70.76, -97.32 51.30 2.02 26
4 05/17/2023 19:01:59 -70.61, 70.17 128.85 05/17/2023 19:01:10 -70.60, 70.10 128.86 3.04 49
5 05/20/2023 06:14:33 -71.07, -98.68 128.92 05/20/2023 06:15:45 -70.97, -98.04 129.04 25.46 72
6 05/20/2023 07:05:12 70.69, 69.26 50.68 05/20/2023 07:05:11 70.71, 69.23 50.71 3.32 1
7 05/20/2023 07:55:51 -70.45,-123.03 129.58 05/20/2023 07:54:38 -70.51,-123.42 129.50 15.99 73
8 05/22/2023 19:08:23 -70.80, 68.29 129.71 05/22/2023 19:09:14 -70.80, 68.32 129.71 0.88 51
9 05/22/2023 19:59:07 70.68,-124.21 50.17 05/22/2023 19:58:37 70.70,-124.17 50.19 2.30 30
10 05/25/2023 08:02:17 -70.75,-125.09 130.24 05/25/2023 08:02:40 -70.76,-125.12 130.22 2.26 23
11 05/25/2023 08:53:00 70.63, 42.40 49.64 05/25/2023 08:52:02 70.66, 42.38 49.67 2.80 58
12 05/27/2023 20:05:29 70.84,-126.04 49.44 05/27/2023 20:06:39 70.83,-126.04 49.42 1.11 70
13 05/27/2023 20:56:11 -70.75, 41.43 130.67 05/27/2023 20:56:04 -70.76, 41.49 130.67 2.36 7

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/15/2023
SNOs_Map_NOAA-20_TERRA_20230515.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/15/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA