Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/15/2022
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 12/18/2022 06:33:22 -70.18,-101.94 86.52 12/18/2022 06:34:06 -70.17,-101.88 86.54 2.64 44
2 12/18/2022 07:24:06 70.06, 65.56 93.36 12/18/2022 07:23:33 70.07, 65.62 93.37 2.74 33
3 12/20/2022 21:59:48 70.76,-154.42 94.13 12/20/2022 22:00:57 70.67,-152.90 94.01 56.60 69
4 12/20/2022 22:50:20 -70.14, 13.88 86.51 12/20/2022 22:50:35 -70.12, 13.93 86.54 3.11 15
5 12/20/2022 23:41:04 70.02,-178.63 93.37 12/20/2022 23:40:02 70.01,-178.58 93.36 2.02 62
6 12/23/2022 14:16:36 70.20, -37.77 93.55 12/23/2022 14:17:33 70.20, -37.70 93.55 2.57 57
7 12/23/2022 15:07:17 -70.06, 129.78 86.60 12/23/2022 15:07:04 -70.04, 129.71 86.61 3.04 13
8 12/23/2022 15:57:50 69.35, -61.88 92.68 12/23/2022 15:56:41 69.38, -63.56 92.74 65.93 69
9 12/26/2022 06:33:33 70.13, 78.12 93.42 12/26/2022 06:34:02 70.10, 78.04 93.39 3.61 29
10 12/26/2022 07:24:14 -70.03,-114.42 86.69 12/26/2022 07:23:30 -70.06,-114.39 86.66 3.04 44
11 12/28/2022 21:59:48 -70.32, 26.26 86.49 12/28/2022 22:01:00 -70.26, 26.52 86.57 11.72 72
12 12/28/2022 22:50:30 70.11,-166.09 93.29 12/28/2022 22:50:28 70.09,-166.08 93.27 1.98 2
13 12/28/2022 23:41:11 -69.96, 1.45 86.88 12/28/2022 23:39:58 -69.99, 1.41 86.84 4.11 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/15/2022
SNOs_Map_NPP_LANDSAT-9_20221216.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/15/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9