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: 5/17/2023
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 04:11:49 -70.67, -67.71 128.65 05/17/2023 04:12:29 -70.65, -67.66 128.68 2.95 40
2 05/17/2023 05:02:33 70.54, 99.80 51.21 05/17/2023 05:01:53 70.51, 99.80 51.18 3.67 40
3 05/19/2023 16:15:13 71.31, -69.60 51.48 05/19/2023 16:16:21 71.21, -67.83 51.33 64.34 68
4 05/19/2023 17:05:43 -70.60, 98.91 129.28 05/19/2023 17:05:55 -70.62, 98.92 129.26 2.51 12
5 05/19/2023 17:56:27 70.48, -93.59 50.59 05/19/2023 17:55:19 70.48, -93.63 50.60 1.59 68
6 05/22/2023 05:08:57 70.68, 97.97 50.29 05/22/2023 05:09:57 70.67, 97.95 50.28 1.41 60
7 05/22/2023 05:59:39 -70.59, -94.57 129.81 05/22/2023 05:59:22 -70.57, -94.53 129.83 2.34 17
8 05/22/2023 06:50:06 69.57, 74.30 49.14 05/22/2023 06:49:00 69.65, 71.83 49.29 96.08 66
9 05/24/2023 18:02:52 70.63, -95.43 49.76 05/24/2023 18:03:23 70.65, -95.46 49.77 2.33 31
10 05/24/2023 18:53:34 -70.54, 72.03 130.35 05/24/2023 18:52:48 -70.56, 72.06 130.32 2.50 46
11 05/27/2023 06:06:10 -71.06, -96.94 130.23 05/27/2023 06:07:21 -70.98, -96.00 130.34 35.13 71
12 05/27/2023 06:56:47 70.58, 71.16 49.27 05/27/2023 06:56:49 70.60, 71.09 49.28 3.15 2
13 05/27/2023 07:47:28 -70.44,-121.29 130.89 05/27/2023 07:46:15 -70.46,-121.46 130.86 6.83 73
14 05/29/2023 18:59:59 -70.70, 70.17 131.01 05/29/2023 19:00:51 -70.70, 70.20 131.02 1.31 52
15 05/29/2023 19:50:43 70.60,-122.35 48.88 05/29/2023 19:50:14 70.59,-122.31 48.87 1.87 29

Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/17/2023
SNOs_Map_NOAA-21_TERRA_20230517.jpg

Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/17/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and TERRA