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: 4/16/2021
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 04/18/2021 09:23:20 -68.72,-142.64 122.36 04/18/2021 09:24:31 -68.69,-142.44 122.39 8.49 71
2 04/18/2021 10:14:02 68.48, 24.98 57.39 04/18/2021 10:14:00 68.47, 24.93 57.39 2.01 2
3 04/18/2021 11:04:43 -68.35,-167.53 122.76 04/18/2021 11:03:30 -68.36,-167.57 122.74 2.43 73
4 04/21/2021 01:40:13 -68.58, -26.70 123.41 04/21/2021 01:40:59 -68.60, -26.68 123.40 2.00 46
5 04/21/2021 02:30:57 68.45, 140.77 56.45 04/21/2021 02:30:27 68.43, 140.76 56.42 2.62 30
6 04/21/2021 03:21:20 -67.35, -50.54 124.68 04/21/2021 03:20:13 -67.43, -52.76 124.58 95.56 67
7 04/23/2021 17:06:39 69.29, -79.22 56.42 04/23/2021 17:07:48 69.16, -77.73 56.28 60.53 69
8 04/23/2021 17:57:09 -68.56, 89.09 124.34 04/23/2021 17:57:27 -68.56, 89.15 124.34 2.42 18
9 04/23/2021 18:47:52 68.38,-103.37 55.47 04/23/2021 18:46:55 68.38,-103.42 55.48 2.10 57
10 04/26/2021 09:23:23 68.63, 37.44 54.88 04/26/2021 09:24:25 68.61, 37.45 54.85 2.40 62
11 04/26/2021 10:14:04 -68.49,-155.05 125.28 04/26/2021 10:13:55 -68.51,-155.04 125.27 2.04 9
12 04/26/2021 11:04:40 67.93, 12.96 54.15 04/26/2021 11:03:29 67.99, 12.00 54.22 40.77 71
13 04/29/2021 01:40:18 68.56, 153.30 53.96 04/29/2021 01:40:53 68.55, 153.26 53.95 1.92 35
14 04/29/2021 02:31:00 -68.47, -39.27 126.14 04/29/2021 02:30:23 -68.45, -39.23 126.17 2.98 37

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2021
SNOs_Map_NOAA-20_TERRA_20210416.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/16/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA