Simultaneous Nadir Overpasses (SNOs) Predictions

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

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/20/2021
Index Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 12/22/2021 18:44:21 77.39,-124.73 101.72 12/22/2021 18:45:32 77.45,-123.24 101.63 36.77 71
2 12/22/2021 19:35:21 -77.58, 43.44 78.19 12/22/2021 19:36:19 -77.57, 43.54 78.22 2.50 58
3 12/22/2021 20:26:16 77.60,-149.18 101.83 12/22/2021 20:27:05 77.59,-149.23 101.81 1.69 49
4 12/22/2021 21:17:21 -77.58, 17.97 78.18 12/22/2021 21:17:49 -77.58, 18.13 78.21 3.78 28
5 12/22/2021 22:08:16 77.60,-174.65 101.83 12/22/2021 22:08:35 77.59,-174.64 101.82 1.15 19
6 12/22/2021 22:59:21 -77.59, -7.50 78.18 12/22/2021 22:59:20 -77.63, -7.48 78.15 4.28 1
7 12/22/2021 23:50:16 77.61, 159.88 101.84 12/22/2021 23:50:05 77.60, 159.95 101.83 1.80 11
8 12/23/2021 00:41:20 -77.63, -32.76 78.16 12/23/2021 00:40:50 -77.64, -32.89 78.14 3.13 30
9 12/23/2021 01:32:16 77.62, 134.42 101.84 12/23/2021 01:31:35 77.61, 134.54 101.84 2.93 41
10 12/23/2021 02:23:20 -77.64, -58.23 78.15 12/23/2021 02:22:20 -77.64, -58.30 78.13 1.81 60
11 12/23/2021 03:14:16 77.62, 108.95 101.84 12/23/2021 03:13:06 77.66, 108.93 101.90 4.14 70

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 12/20/2021
SNOs_Map_NOAA-19_NPP_20211220.jpg

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

Historial Predications of SNOs between NOAA-19 and NPP