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: 12/18/2021
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 -77.28, 116.31 78.74 12/29/2021 14:47:39 -77.25, 114.04 78.55 55.79 69
2 12/29/2021 15:39:39 77.52, -77.43 101.57 12/29/2021 15:38:29 77.53, -77.34 101.60 2.77 70
3 12/29/2021 16:30:24 -77.54, 89.76 78.41 12/29/2021 16:29:33 -77.50, 89.76 78.43 4.46 51
4 12/29/2021 17:21:09 77.52,-102.84 101.57 12/29/2021 17:20:29 77.54,-102.80 101.59 1.65 40
5 12/29/2021 18:11:54 -77.55, 64.35 78.40 12/29/2021 18:11:32 -77.55, 64.49 78.41 3.36 22
6 12/29/2021 19:02:39 77.53,-128.25 101.58 12/29/2021 19:02:29 77.54,-128.27 101.59 1.36 10
7 12/29/2021 19:53:24 -77.56, 38.95 78.40 12/29/2021 19:53:32 -77.55, 39.02 78.41 1.90 8
8 12/29/2021 20:44:09 77.54,-153.65 101.58 12/29/2021 20:44:29 77.55,-153.74 101.59 2.24 20
9 12/29/2021 21:34:54 -77.56, 13.54 78.39 12/29/2021 21:35:32 -77.56, 13.55 78.41 0.72 38
10 12/29/2021 22:25:39 77.54,-179.06 101.59 12/29/2021 22:26:29 77.55,-179.20 101.59 3.49 50
11 12/29/2021 23:16:24 -77.57, -11.87 78.38 12/29/2021 23:17:32 -77.56, -11.92 78.41 1.39 68
12 12/30/2021 00:07:14 77.76, 154.53 101.87 12/30/2021 00:08:24 77.76, 156.37 101.70 43.21 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 12/18/2021
SNOs_Map_NOAA-20_NOAA-19_20211218.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 12/18/2021 in txt file.

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