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: 12/3/2023
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 12/05/2023 06:32:57 -70.16,-101.87 87.61 12/05/2023 06:33:56 -70.17,-101.87 87.60 1.87 59
2 12/05/2023 07:23:41 70.03, 65.62 92.27 12/05/2023 07:23:24 70.01, 65.55 92.25 3.57 17
3 12/05/2023 08:14:12 -69.37,-126.09 88.39 12/05/2023 08:13:03 -69.41,-127.65 88.35 61.46 69
4 12/07/2023 22:49:49 -70.15, 13.91 87.30 12/07/2023 22:50:22 -70.14, 13.98 87.31 2.45 33
5 12/07/2023 23:40:33 70.03,-178.60 92.59 12/07/2023 23:39:49 70.03,-178.53 92.59 2.52 44
6 12/10/2023 14:16:04 70.45, -38.10 93.28 12/10/2023 14:17:16 70.34, -37.47 93.16 26.55 72
7 12/10/2023 15:06:41 -70.10, 129.77 87.08 12/10/2023 15:06:49 -70.07, 129.76 87.11 3.71 8
8 12/10/2023 15:57:25 69.99, -62.75 92.81 12/10/2023 15:56:16 69.96, -62.75 92.78 3.51 69
9 12/13/2023 06:32:51 70.16, 78.14 93.20 12/13/2023 06:33:44 70.17, 78.17 93.20 1.55 53
10 12/13/2023 07:23:33 -70.07,-114.40 86.90 12/13/2023 07:23:14 -70.06,-114.35 86.91 2.04 19
11 12/13/2023 08:14:02 69.16, 54.23 92.19 12/13/2023 08:12:55 69.17, 52.09 92.22 84.70 67
12 12/15/2023 22:49:43 70.14,-166.05 93.34 12/15/2023 22:50:09 70.11,-166.00 93.31 3.25 26
13 12/15/2023 23:40:24 -69.99, 1.50 86.82 12/15/2023 23:39:39 -70.01, 1.48 86.80 2.24 45

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/3/2023
SNOs_Map_NPP_LANDSAT-9_20231203.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/03/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9