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: 2/22/2020
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 02/27/2020 15:20:43 -79.42, 93.55 89.87 02/27/2020 15:21:53 -79.45, 95.60 90.11 41.94 70
2 02/27/2020 16:11:33 79.56, -97.82 90.07 02/27/2020 16:12:41 79.54, -97.79 90.02 2.18 68
3 02/27/2020 17:02:39 -79.55, 69.37 89.94 02/27/2020 17:03:26 -79.55, 69.39 89.97 0.43 47
4 02/27/2020 17:53:34 79.55,-123.42 90.05 02/27/2020 17:54:12 79.57,-123.46 90.06 3.02 38
5 02/27/2020 18:44:39 -79.57, 44.07 89.98 02/27/2020 18:44:56 -79.56, 44.00 89.99 2.32 17
6 02/27/2020 19:35:34 79.57,-148.72 90.02 02/27/2020 19:35:42 79.58,-148.86 90.04 2.96 8
7 02/27/2020 20:26:40 -79.56, 18.47 90.00 02/27/2020 20:26:26 -79.56, 18.60 90.01 2.69 14
8 02/27/2020 21:17:35 79.56,-174.32 89.99 02/27/2020 21:17:12 79.58,-174.26 90.01 2.71 23
9 02/27/2020 22:08:40 -79.58, -6.83 90.03 02/27/2020 22:07:56 -79.56, -6.79 90.04 2.53 44
10 02/27/2020 22:59:35 79.58, 160.37 89.96 02/27/2020 22:58:42 79.58, 160.35 89.99 0.78 53
11 02/27/2020 23:50:41 -79.57, -32.43 90.06 02/27/2020 23:49:27 -79.60, -32.46 90.00 2.60 74

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 2/22/2020
SNOs_Map_NOAA-19_NPP_20200223.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 02/22/2020 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service