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: 4/15/2023
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 04/15/2023 14:06:12 79.70,-132.66 82.34 04/15/2023 14:05:33 79.70,-132.60 82.36 1.17 39
2 04/15/2023 14:55:34 -79.87, 36.30 97.94 04/15/2023 14:56:13 -79.87, 36.24 97.96 1.18 39
3 04/18/2023 05:32:36 -79.68, 175.61 98.58 04/18/2023 05:31:42 -79.68, 175.66 98.55 1.02 54
4 04/18/2023 06:21:55 79.90, -15.02 81.07 04/18/2023 06:22:19 79.91, -14.91 81.03 2.20 24
5 04/20/2023 20:58:57 79.62, 123.60 80.58 04/20/2023 20:57:50 79.61, 123.58 80.64 0.58 67
6 04/20/2023 21:48:19 -79.79, -67.44 99.70 04/20/2023 21:48:30 -79.79, -67.56 99.69 2.44 11
7 04/23/2023 13:14:38 79.79,-119.05 79.41 04/23/2023 13:14:37 79.78,-119.16 79.43 2.25 1
8 04/23/2023 14:02:19 -81.82, 87.76 106.42 04/23/2023 14:03:32 -81.28, 87.82 106.71 59.05 73
9 04/26/2023 04:40:58 -79.76,-170.86 101.42 04/26/2023 04:40:46 -79.75,-171.01 101.38 3.04 12
10 04/26/2023 05:30:17 79.97, -1.52 78.24 04/26/2023 05:31:23 79.97, -1.61 78.21 1.91 66
11 04/28/2023 20:07:13 79.79, 137.80 77.69 04/28/2023 20:06:51 79.79, 137.82 77.71 0.28 22

Figure of AURA and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_AURA_NPP_20230415.jpg

Download SNOs between AURA and NPP since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between AURA and NPP