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: 12/22/2022
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 12/23/2022 14:16:36 70.20, -37.76 93.55 12/23/2022 14:17:33 70.20, -37.70 93.55 2.31 57
2 12/23/2022 15:07:17 -70.06, 129.77 86.60 12/23/2022 15:07:03 -70.09, 129.77 86.57 3.51 14
3 12/23/2022 15:57:50 69.35, -61.87 92.68 12/23/2022 15:56:41 69.38, -63.56 92.74 66.33 69
4 12/26/2022 06:33:33 70.17, 78.04 93.47 12/26/2022 06:34:00 70.15, 78.12 93.44 3.40 27
5 12/26/2022 07:24:14 -70.03,-114.42 86.69 12/26/2022 07:23:30 -70.04,-114.41 86.67 1.68 44
6 12/28/2022 21:59:48 -70.32, 26.26 86.49 12/28/2022 22:01:00 -70.25, 26.50 86.58 11.96 72
7 12/28/2022 22:50:30 70.10,-166.08 93.28 12/28/2022 22:50:28 70.08,-166.09 93.26 1.89 2
8 12/28/2022 23:41:11 -69.96, 1.45 86.88 12/28/2022 23:39:58 -69.98, 1.39 86.85 3.50 73
9 12/31/2022 14:16:43 -70.15, 142.30 86.84 12/31/2022 14:17:28 -70.16, 142.26 86.83 1.96 45
10 12/31/2022 15:07:27 70.04, -50.22 93.04 12/31/2022 15:06:55 70.05, -50.26 93.06 1.88 32
11 01/03/2023 05:43:08 70.71, 89.85 93.53 01/03/2023 05:44:18 70.60, 91.15 93.37 49.89 70
12 01/03/2023 06:33:41 -70.14,-101.92 87.07 01/03/2023 06:33:55 -70.11,-101.92 87.11 3.50 14
13 01/03/2023 07:24:24 69.98, 65.63 92.76 01/03/2023 07:23:22 69.99, 65.56 92.78 3.35 62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/22/2022
SNOs_Map_NPP_LANDSAT-9_20221222.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/22/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9