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: 1/5/2023
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 01/05/2023 21:59:56 70.22,-153.60 92.74 01/05/2023 22:01:08 70.19,-153.62 92.71 2.74 72
2 01/05/2023 22:50:38 -70.13, 13.86 87.36 01/05/2023 22:50:37 -70.14, 13.93 87.36 2.94 1
3 01/05/2023 23:41:19 69.85,-178.41 92.35 01/05/2023 23:40:06 69.92,-178.73 92.44 14.76 73
4 01/08/2023 14:16:53 70.17, -37.76 92.37 01/08/2023 14:17:37 70.18, -37.77 92.36 0.40 44
5 01/08/2023 15:07:35 -70.08, 129.70 87.74 01/08/2023 15:07:07 -70.07, 129.71 87.75 1.66 28
6 01/11/2023 05:43:20 -70.98, -90.61 87.17 01/11/2023 05:44:27 -70.90, -88.45 87.32 78.79 67
7 01/11/2023 06:33:50 70.14, 78.07 91.94 01/11/2023 06:34:06 70.13, 78.06 91.94 0.42 16
8 01/11/2023 07:24:32 -70.04,-114.47 88.16 01/11/2023 07:23:36 -70.03,-114.46 88.17 1.29 56
9 01/13/2023 22:00:02 -70.21, 26.40 88.40 01/13/2023 22:01:06 -70.24, 26.45 88.39 3.29 64
10 01/13/2023 22:50:46 70.10,-166.12 91.48 01/13/2023 22:50:33 70.13,-166.07 91.50 2.95 13
11 01/13/2023 23:41:21 -69.64, 1.90 89.02 01/13/2023 23:40:09 -69.69, 0.96 88.92 37.13 72
12 01/16/2023 14:16:59 -70.18, 142.22 88.92 01/16/2023 14:17:35 -70.16, 142.21 88.95 3.14 36
13 01/16/2023 15:07:43 70.08, -50.31 90.97 01/16/2023 15:07:01 70.09, -50.23 90.99 3.37 42
14 01/19/2023 05:43:18 70.48, 90.21 90.88 01/19/2023 05:44:30 70.37, 90.77 90.74 24.13 72
15 01/19/2023 06:33:56 -70.16,-101.98 89.47 01/19/2023 06:34:02 -70.16,-101.90 89.48 2.93 6
16 01/19/2023 07:24:39 70.00, 65.57 90.37 01/19/2023 07:23:30 69.98, 65.50 90.36 3.60 69

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/5/2023
SNOs_Map_NPP_LANDSAT-9_20230106.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/05/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9