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: 12/16/2021
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 -77.26, 114.08 78.55 55.41 69
2 12/29/2021 15:39:39 77.51, -77.41 101.56 12/29/2021 15:38:30 77.50, -77.50 101.58 2.69 69
3 12/29/2021 16:30:24 -77.54, 89.79 78.42 12/29/2021 16:29:33 -77.51, 89.80 78.42 2.86 51
4 12/29/2021 17:21:09 77.52,-102.81 101.57 12/29/2021 17:20:29 77.54,-102.76 101.60 3.03 40
5 12/29/2021 18:11:54 -77.54, 64.38 78.41 12/29/2021 18:11:33 -77.52, 64.34 78.42 3.26 21
6 12/29/2021 19:02:39 77.52,-128.22 101.57 12/29/2021 19:02:29 77.55,-128.23 101.60 2.64 10
7 12/29/2021 19:53:24 -77.55, 38.98 78.40 12/29/2021 19:53:32 -77.56, 39.07 78.40 2.50 8
8 12/29/2021 20:44:09 77.53,-153.63 101.58 12/29/2021 20:44:29 77.55,-153.70 101.60 2.97 20
9 12/29/2021 21:34:54 -77.56, 13.57 78.40 12/29/2021 21:35:32 -77.57, 13.60 78.40 1.24 38
10 12/29/2021 22:25:40 77.58,-179.23 101.64 12/29/2021 22:26:29 77.56,-179.16 101.60 2.86 49
11 12/29/2021 23:16:24 -77.56, -11.84 78.39 12/29/2021 23:17:32 -77.57, -11.87 78.41 1.15 68
12 12/30/2021 00:07:14 77.75, 154.56 101.86 12/30/2021 00:08:24 77.76, 156.41 101.70 43.59 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 12/16/2021
SNOs_Map_NOAA-20_NOAA-19_20211216.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 12/16/2021 in txt file.

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