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: 5/21/2020
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 05/21/2020 21:41:50 79.38,-178.74 60.70 05/21/2020 21:42:32 79.36,-178.86 60.68 3.22 42
2 05/21/2020 22:32:47 -79.35, -11.68 119.31 05/21/2020 22:33:17 -79.37, -11.64 119.31 1.86 30
3 05/21/2020 23:23:51 79.36, 155.65 60.69 05/21/2020 23:24:02 79.36, 155.74 60.67 1.93 11
4 05/22/2020 00:14:47 -79.37, -37.01 119.32 05/22/2020 00:14:47 -79.37, -37.04 119.32 0.67 0
5 05/22/2020 01:05:51 79.38, 130.32 60.67 05/22/2020 01:05:32 79.36, 130.34 60.66 2.11 19
6 05/22/2020 01:56:47 -79.39, -62.34 119.34 05/22/2020 01:56:17 -79.38, -62.45 119.33 2.73 30
7 05/22/2020 02:47:52 79.37, 104.71 60.66 05/22/2020 02:47:03 79.40, 104.67 60.71 3.52 49
8 05/22/2020 03:38:48 -79.38, -87.94 119.35 05/22/2020 03:37:47 -79.38, -87.85 119.34 1.90 61
9 05/22/2020 04:29:44 79.62, 81.66 60.60 05/22/2020 04:28:40 79.63, 77.35 61.09 86.42 64
10 06/04/2020 20:37:49 79.13,-164.33 58.60 06/04/2020 20:38:56 79.14,-161.34 58.25 62.80 67

Figure of NOAA-19 and NPP satellite orbits during SNOs since TLE Epoch: 5/21/2020
SNOs_Map_NOAA-19_NPP_20200522.jpg

Download SNOs between NOAA-19 and NPP since TLE EPOCH: 05/21/2020 in txt file.

Historical Predictions of SNOs between NOAA-19 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service