Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/29/2021
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 12/29/2021 14:48:48 -77.27, 116.34 78.75 12/29/2021 14:47:39 -77.27, 114.09 78.55 54.97 69
2 12/29/2021 15:39:39 77.50, -77.36 101.55 12/29/2021 15:38:30 77.51, -77.45 101.59 2.22 69
3 12/29/2021 16:30:24 -77.54, 89.79 78.41 12/29/2021 16:29:33 -77.51, 89.82 78.42 2.55 51
4 12/29/2021 17:21:09 77.51,-102.77 101.55 12/29/2021 17:20:30 77.51,-102.91 101.58 3.50 39
5 12/29/2021 18:11:54 -77.54, 64.38 78.41 12/29/2021 18:11:33 -77.52, 64.35 78.42 2.75 21
6 12/29/2021 19:02:40 77.56,-128.38 101.61 12/29/2021 19:02:30 77.52,-128.38 101.58 3.98 10
7 12/29/2021 19:53:24 -77.55, 38.97 78.40 12/29/2021 19:53:32 -77.56, 39.08 78.40 3.06 8
8 12/29/2021 20:44:10 77.56,-153.78 101.62 12/29/2021 20:44:29 77.57,-153.64 101.60 3.37 19
9 12/29/2021 21:34:54 -77.56, 13.56 78.40 12/29/2021 21:35:32 -77.57, 13.61 78.40 1.77 38
10 12/29/2021 22:25:40 77.57,-179.19 101.62 12/29/2021 22:26:29 77.57,-179.11 101.60 1.97 49
11 12/29/2021 23:16:24 -77.56, -11.85 78.39 12/29/2021 23:17:32 -77.57, -11.86 78.40 1.18 68
12 12/30/2021 00:07:15 77.79, 154.40 101.90 12/30/2021 00:08:25 77.74, 156.25 101.69 44.02 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 12/29/2021
SNOs_Map_NOAA-20_NOAA-19_20211229.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 12/29/2021 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19