Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between AURA and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/12/2020
Index Date (AURA) Time (AURA) Lat,Lon (AURA) SZA (AURA ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/14/2020 19:11:11 -72.53, -54.59 89.07 04/14/2020 19:09:58 -72.85, -56.64 88.73 76.73 73
2 04/14/2020 19:58:07 79.60, 137.93 82.63 04/14/2020 19:58:07 79.61, 138.04 82.60 2.48 0
3 04/17/2020 11:25:16 -79.35, 84.46 97.96 04/17/2020 11:24:26 -79.34, 84.32 97.90 3.05 50
4 04/17/2020 12:14:33 79.65,-105.84 81.59 04/17/2020 12:15:00 79.65,-105.84 81.57 0.05 27
5 04/20/2020 03:41:39 -79.51,-158.56 99.13 04/20/2020 03:41:15 -79.51,-158.50 99.13 1.25 24
6 04/20/2020 04:31:00 79.69, 10.37 80.59 04/20/2020 04:31:54 79.68, 10.27 80.57 2.06 54
7 04/22/2020 19:09:16 78.02, 141.29 81.98 04/22/2020 19:08:02 78.14, 140.85 82.08 16.87 74
8 04/22/2020 19:58:06 -79.55, -42.38 100.11 04/22/2020 19:58:09 -79.55, -42.40 100.11 0.38 3
9 04/25/2020 11:25:09 79.46, -94.76 79.16 04/25/2020 11:24:21 79.47, -94.65 79.17 2.35 48

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 4/12/2020
SNOs_Map_AURA_NPP_20200413.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 04/12/2020 in txt file.

Historical Predictions of SNOs between AURA and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service