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: 12/19/2022
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 12/20/2022 21:59:48 70.75,-154.40 94.12 12/20/2022 22:00:57 70.68,-152.89 94.02 56.13 69
2 12/20/2022 22:50:20 -70.13, 13.89 86.52 12/20/2022 22:50:35 -70.13, 13.94 86.53 1.94 15
3 12/20/2022 23:41:04 70.01,-178.61 93.36 12/20/2022 23:40:02 70.02,-178.57 93.37 2.11 62
4 12/23/2022 14:16:36 70.19, -37.75 93.54 12/23/2022 14:17:34 70.16, -37.76 93.51 3.09 58
5 12/23/2022 15:07:17 -70.05, 129.79 86.61 12/23/2022 15:07:04 -70.05, 129.72 86.61 2.81 13
6 12/23/2022 15:57:50 69.34, -61.86 92.67 12/23/2022 15:56:41 69.39, -63.54 92.75 66.21 69
7 12/26/2022 06:33:32 70.11, 78.14 93.40 12/26/2022 06:34:01 70.12, 78.06 93.41 2.92 29
8 12/26/2022 07:24:14 -70.02,-114.40 86.70 12/26/2022 07:23:31 -70.01,-114.45 86.70 2.01 43
9 12/28/2022 21:59:48 -70.31, 26.28 86.51 12/28/2022 22:01:00 -70.28, 26.54 86.55 10.13 72
10 12/28/2022 22:50:30 70.09,-166.07 93.27 12/28/2022 22:50:28 70.11,-166.06 93.29 2.12 2
11 12/28/2022 23:41:12 -70.00, 1.40 86.84 12/28/2022 23:39:58 -70.01, 1.43 86.82 1.73 74
12 12/31/2022 14:16:44 -70.19, 142.24 86.80 12/31/2022 14:17:28 -70.20, 142.31 86.80 3.02 44
13 12/31/2022 15:07:28 70.08, -50.28 93.09 12/31/2022 15:06:55 70.08, -50.21 93.09 2.78 33

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/19/2022
SNOs_Map_NPP_LANDSAT-9_20221219.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/19/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9