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: 5/18/2023
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 05/19/2023 16:15:13 71.28, -69.56 51.45 05/19/2023 16:16:22 71.19, -67.87 51.30 61.32 69
2 05/19/2023 17:05:43 -70.57, 98.95 129.30 05/19/2023 17:05:56 -70.59, 98.88 129.29 3.30 13
3 05/19/2023 17:56:28 70.50, -93.63 50.62 05/19/2023 17:55:19 70.50, -93.59 50.62 1.48 69
4 05/22/2023 05:08:58 70.70, 97.93 50.32 05/22/2023 05:09:57 70.70, 98.00 50.30 2.49 59
5 05/22/2023 05:59:39 -70.57, -94.53 129.83 05/22/2023 05:59:23 -70.55, -94.57 129.85 2.72 16
6 05/22/2023 06:50:07 69.60, 74.26 49.16 05/22/2023 06:49:01 69.62, 71.79 49.26 95.62 66
7 05/24/2023 18:02:53 70.65, -95.47 49.79 05/24/2023 18:03:24 70.62, -95.50 49.75 3.45 31
8 05/24/2023 18:53:34 -70.51, 72.07 130.37 05/24/2023 18:52:49 -70.53, 72.03 130.35 3.09 45
9 05/27/2023 06:06:10 -71.08, -96.98 130.20 05/27/2023 06:07:21 -70.96, -96.03 130.36 37.08 71
10 05/27/2023 06:56:47 70.61, 71.12 49.29 05/27/2023 06:56:48 70.64, 71.14 49.32 3.38 1
11 05/27/2023 07:47:28 -70.46,-121.33 130.87 05/27/2023 07:46:14 -70.50,-121.41 130.82 4.90 74
12 05/29/2023 18:59:58 -70.68, 70.21 131.04 05/29/2023 19:00:51 -70.69, 70.18 131.03 1.91 53
13 05/29/2023 19:50:42 70.57,-122.30 48.85 05/29/2023 19:50:14 70.57,-122.33 48.85 1.21 28

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/18/2023
SNOs_Map_NOAA-21_TERRA_20230518.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/18/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA