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: 5/15/2023
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, -67.68 128.67 05/17/2023 04:12:28 -70.67, -67.63 128.66 2.83 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 0.13 40
3 05/19/2023 16:15:13 71.30, -69.58 51.46 05/19/2023 16:16:22 71.17, -67.89 51.29 61.87 69
4 05/19/2023 17:05:43 -70.58, 98.93 129.30 05/19/2023 17:05:56 -70.58, 98.86 129.30 2.63 13
5 05/19/2023 17:56:27 70.46, -93.57 50.58 05/19/2023 17:55:19 70.49, -93.61 50.61 3.26 68
6 05/22/2023 05:08:57 70.67, 97.99 50.28 05/22/2023 05:09:57 70.67, 97.96 50.28 1.31 60
7 05/22/2023 05:59:39 -70.58, -94.55 129.82 05/22/2023 05:59:22 -70.58, -94.52 129.82 0.81 17
8 05/22/2023 06:50:06 69.56, 74.31 49.12 05/22/2023 06:49:00 69.65, 71.83 49.29 96.69 66
9 05/24/2023 18:02:52 70.62, -95.42 49.75 05/24/2023 18:03:23 70.64, -95.48 49.76 2.70 31
10 05/24/2023 18:53:34 -70.53, 72.05 130.36 05/24/2023 18:52:48 -70.55, 72.05 130.33 2.43 46
11 05/27/2023 06:06:10 -71.06, -96.93 130.24 05/27/2023 06:07:21 -70.96, -96.03 130.37 34.30 71
12 05/27/2023 06:56:48 70.63, 71.08 49.32 05/27/2023 06:56:48 70.63, 71.13 49.31 2.21 0
13 05/27/2023 07:47:28 -70.43,-121.29 130.90 05/27/2023 07:46:15 -70.44,-121.49 130.88 7.71 73

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/15/2023
SNOs_Map_NOAA-21_TERRA_20230515.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/15/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA