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: 12/17/2021
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 -77.26, 116.42 78.77 12/29/2021 14:47:39 -77.28, 114.18 78.54 55.12 69
2 12/29/2021 15:39:39 77.49, -77.32 101.54 12/29/2021 15:38:30 77.52, -77.40 101.59 3.37 69
3 12/29/2021 16:30:24 -77.52, 89.88 78.44 12/29/2021 16:29:33 -77.53, 89.90 78.41 1.48 51
4 12/29/2021 17:21:10 77.54,-102.92 101.60 12/29/2021 17:20:30 77.52,-102.86 101.59 2.46 40
5 12/29/2021 18:11:54 -77.52, 64.47 78.43 12/29/2021 18:11:33 -77.53, 64.43 78.41 1.41 21
6 12/29/2021 19:02:40 77.55,-128.33 101.60 12/29/2021 19:02:30 77.53,-128.33 101.59 2.16 10
7 12/29/2021 19:53:24 -77.53, 39.06 78.43 12/29/2021 19:53:33 -77.54, 38.96 78.41 2.52 9
8 12/29/2021 20:44:10 77.56,-153.74 101.61 12/29/2021 20:44:30 77.53,-153.80 101.59 2.70 20
9 12/29/2021 21:34:53 -77.54, 13.65 78.42 12/29/2021 21:35:32 -77.55, 13.49 78.42 3.90 39
10 12/29/2021 22:25:39 77.56,-179.15 101.61 12/29/2021 22:26:28 77.58,-179.06 101.61 2.86 49
11 12/29/2021 23:16:24 -77.59, -11.95 78.36 12/29/2021 23:17:32 -77.55, -11.98 78.42 4.15 68
12 12/30/2021 00:07:14 77.78, 154.45 101.89 12/30/2021 00:08:24 77.74, 156.30 101.69 43.91 70

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 12/17/2021
SNOs_Map_NOAA-20_NOAA-19_20211217.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 12/17/2021 in txt file.

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