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: 12/20/2022
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 21:59:49 70.79,-154.47 94.16 12/20/2022 22:00:58 70.63,-152.95 93.98 58.12 69
2 12/20/2022 22:50:20 -70.12, 13.91 86.53 12/20/2022 22:50:35 -70.14, 13.95 86.52 2.15 15
3 12/20/2022 23:41:04 70.00,-178.59 93.35 12/20/2022 23:40:03 69.98,-178.63 93.33 2.56 61
4 12/23/2022 14:16:35 70.18, -37.73 93.53 12/23/2022 14:17:33 70.17, -37.75 93.51 1.24 58
5 12/23/2022 15:07:17 -70.09, 129.72 86.57 12/23/2022 15:07:03 -70.06, 129.73 86.60 3.47 14
6 12/23/2022 15:57:49 69.33, -61.85 92.66 12/23/2022 15:56:40 69.40, -63.53 92.76 66.68 69
7 12/26/2022 06:33:33 70.15, 78.07 93.45 12/26/2022 06:34:01 70.12, 78.07 93.41 3.67 28
8 12/26/2022 07:24:14 -70.01,-114.39 86.71 12/26/2022 07:23:31 -70.01,-114.45 86.70 2.37 43
9 12/28/2022 21:59:48 -70.30, 26.30 86.52 12/28/2022 22:01:00 -70.27, 26.53 86.56 9.43 72
10 12/28/2022 22:50:30 70.08,-166.05 93.26 12/28/2022 22:50:28 70.10,-166.06 93.28 2.49 2
11 12/28/2022 23:41:12 -69.99, 1.41 86.84 12/28/2022 23:39:58 -70.00, 1.42 86.83 1.48 74
12 12/31/2022 14:16:44 -70.18, 142.25 86.81 12/31/2022 14:17:28 -70.19, 142.29 86.81 1.80 44
13 12/31/2022 15:07:28 70.07, -50.27 93.08 12/31/2022 15:06:55 70.07, -50.23 93.08 1.78 33

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/20/2022
SNOs_Map_NPP_LANDSAT-9_20221220.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/20/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9