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: 4/17/2022
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 04/18/2022 12:02:35 -69.44, 176.63 121.57 04/18/2022 12:03:30 -69.43, 176.60 121.58 1.44 55
2 04/18/2022 12:53:19 69.32, -15.89 58.29 04/18/2022 12:52:57 69.33, -15.89 58.30 1.25 22
3 04/18/2022 13:43:47 -68.49, 152.57 122.57 04/18/2022 13:42:39 -68.55, 150.76 122.47 73.93 68
4 04/21/2022 03:29:06 70.40, 123.64 58.51 04/21/2022 03:30:12 70.32, 126.06 58.38 90.87 66
5 04/21/2022 04:19:31 -69.41, -67.56 122.53 04/21/2022 04:19:56 -69.43, -67.53 122.51 2.77 25
6 04/21/2022 05:10:15 69.29, 99.93 57.34 04/21/2022 05:09:24 69.27, 99.90 57.32 2.27 51
7 04/23/2022 19:45:45 69.47,-119.19 56.65 04/23/2022 19:46:53 69.47,-119.24 56.65 2.04 68
8 04/23/2022 20:36:27 -69.38, 48.26 123.45 04/23/2022 20:36:23 -69.36, 48.25 123.48 2.39 4
9 04/23/2022 21:27:06 69.00,-143.89 56.14 04/23/2022 21:25:54 69.03,-144.54 56.19 26.06 72
10 04/26/2022 12:02:40 69.45, -3.38 55.75 04/26/2022 12:03:18 69.43, -3.42 55.73 2.09 38
11 04/26/2022 12:53:21 -69.31, 164.14 124.41 04/26/2022 12:52:48 -69.33, 164.08 124.38 3.31 33
12 04/29/2022 03:29:00 -69.97, -55.69 124.55 04/29/2022 03:30:10 -69.89, -54.58 124.66 43.52 70
13 04/29/2022 04:19:36 69.43, 112.42 54.89 04/29/2022 04:19:43 69.44, 112.46 54.89 1.82 7
14 04/29/2022 05:10:17 -69.29, -80.06 125.27 04/29/2022 05:09:14 -69.28, -80.11 125.28 2.36 63

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 4/17/2022
SNOs_Map_NOAA-20_TERRA_20220417.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 04/17/2022 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA