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: 3/31/2021
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 04/01/2021 19:58:00 79.55, 137.53 87.73 04/01/2021 19:57:51 79.56, 137.66 87.71 2.95 9
2 04/01/2021 20:47:23 -79.70, -53.72 92.52 04/01/2021 20:48:32 -79.69, -53.84 92.55 2.52 69
3 04/04/2021 11:25:09 -79.31, 84.19 92.97 04/04/2021 11:24:08 -79.31, 84.14 92.92 1.07 61
4 04/04/2021 12:14:29 79.54,-106.66 86.70 04/04/2021 12:14:46 79.53,-106.80 86.71 2.91 17
5 04/07/2021 03:41:35 -79.42,-159.25 94.15 04/07/2021 03:40:59 -79.42,-159.25 94.12 0.04 36
6 04/07/2021 04:30:55 79.63, 9.91 85.52 04/07/2021 04:31:37 79.63, 9.82 85.51 1.76 42
7 04/09/2021 19:58:00 -79.51, -42.71 95.30 04/09/2021 19:57:49 -79.52, -42.64 95.31 1.62 11
8 04/09/2021 20:47:20 79.72, 126.45 84.37 04/09/2021 20:48:27 79.72, 126.45 84.32 0.05 67
9 04/12/2021 11:25:04 79.39, -95.27 83.89 04/12/2021 11:24:01 79.40, -95.13 83.91 3.06 63

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2021
SNOs_Map_AURA_NPP_20210331.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 03/31/2021 in txt file.

Historial Predications of SNOs between AURA and NPP