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: 6/17/2019
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 06/21/2019 00:14:28 -80.03, -43.25 120.93 06/21/2019 00:15:39 -80.05, -43.30 120.94 2.84 71
2 06/21/2019 01:05:22 80.04, 124.22 59.06 06/21/2019 01:06:24 80.04, 124.12 59.04 2.02 62
3 06/21/2019 01:56:28 -80.05, -68.49 120.95 06/21/2019 01:57:08 -80.03, -68.39 120.99 3.06 40
4 06/21/2019 02:47:23 80.04, 98.67 59.07 06/21/2019 02:47:54 80.04, 98.72 59.05 1.19 31
5 06/21/2019 03:38:29 -80.04, -94.05 120.94 06/21/2019 03:38:39 -80.06, -94.09 120.93 1.68 10
6 06/21/2019 04:29:23 80.06, 73.43 59.05 06/21/2019 04:29:24 80.05, 73.32 59.05 2.40 1
7 06/21/2019 05:20:30 -80.04,-119.60 120.94 06/21/2019 05:20:09 -80.06,-119.49 120.93 3.01 21
8 06/21/2019 06:11:24 80.05, 47.87 59.05 06/21/2019 06:10:54 80.05, 47.93 59.06 1.15 30
9 06/21/2019 07:02:30 -80.06,-144.84 120.96 06/21/2019 07:01:39 -80.06,-144.88 120.92 0.91 51
10 06/21/2019 07:53:24 80.07, 22.64 59.04 06/21/2019 07:52:24 80.05, 22.53 59.06 3.23 60

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 6/17/2019
SNOs_Map_NOAA-19_NPP_20190618.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 06/17/2019 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service