Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/16/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 05/17/2023 04:11:48 -70.65, -67.69 128.67 05/17/2023 04:12:28 -70.66, -67.63 128.66 2.37 40
2 05/17/2023 05:02:32 70.53, 99.82 51.20 05/17/2023 05:01:52 70.52, 99.82 51.20 0.50 40
3 05/19/2023 16:15:13 71.30, -69.58 51.46 05/19/2023 16:16:21 71.22, -67.81 51.33 63.69 68
4 05/19/2023 17:05:43 -70.59, 98.93 129.29 05/19/2023 17:05:56 -70.58, 98.86 129.30 2.91 13
5 05/19/2023 17:56:27 70.46, -93.57 50.58 05/19/2023 17:55:19 70.48, -93.62 50.60 2.95 68
6 05/22/2023 05:08:57 70.67, 97.99 50.28 05/22/2023 05:09:57 70.67, 97.95 50.28 1.45 60
7 05/22/2023 05:59:39 -70.58, -94.55 129.82 05/22/2023 05:59:22 -70.57, -94.53 129.83 0.83 17
8 05/22/2023 06:50:06 69.56, 74.31 49.13 05/22/2023 06:49:00 69.65, 71.83 49.28 96.85 66
9 05/24/2023 18:02:52 70.62, -95.42 49.75 05/24/2023 18:03:23 70.63, -95.48 49.76 2.69 31
10 05/24/2023 18:53:34 -70.53, 72.05 130.35 05/24/2023 18:52:48 -70.54, 72.04 130.34 1.72 46
11 05/27/2023 06:06:10 -71.05, -96.93 130.24 05/27/2023 06:07:21 -70.95, -96.04 130.37 34.17 71
12 05/27/2023 06:56:48 70.63, 71.08 49.32 05/27/2023 06:56:48 70.62, 71.12 49.30 2.08 0
13 05/27/2023 07:47:28 -70.43,-121.29 130.90 05/27/2023 07:46:14 -70.49,-121.42 130.83 7.85 74
14 05/29/2023 18:59:58 -70.71, 70.17 131.01 05/29/2023 19:00:49 -70.70, 70.21 131.02 1.55 51
15 05/29/2023 19:50:42 70.60,-122.35 48.88 05/29/2023 19:50:12 70.58,-122.31 48.87 2.29 30

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/16/2023
SNOs_Map_NOAA-21_TERRA_20230516.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/16/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA