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: 4/1/2023
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 04/01/2023 04:53:24 70.74, 102.49 66.28 04/01/2023 04:54:35 70.61, 103.44 66.12 37.65 71
2 04/01/2023 05:43:59 -70.29, -89.47 114.21 04/01/2023 05:44:09 -70.28, -89.41 114.22 2.40 10
3 04/01/2023 06:34:43 70.16, 78.04 65.65 04/01/2023 06:33:36 70.18, 78.09 65.67 2.55 67
4 04/03/2023 21:10:14 70.34,-141.10 64.83 04/03/2023 21:11:09 70.32,-141.11 64.80 2.39 55
5 04/03/2023 22:00:55 -70.21, 26.43 115.33 04/03/2023 22:00:39 -70.21, 26.36 115.32 2.74 16
6 04/03/2023 22:51:26 69.39,-165.04 63.82 04/03/2023 22:50:18 69.44,-167.06 63.93 78.93 68
7 04/06/2023 13:27:11 70.33, -25.30 63.79 04/06/2023 13:27:37 70.30, -25.26 63.76 3.30 26
8 04/06/2023 14:17:52 -70.19, 142.23 116.37 04/06/2023 14:17:07 -70.19, 142.21 116.36 0.86 45
9 04/09/2023 04:53:25 -70.49, -77.10 117.04 04/09/2023 04:54:36 -70.44, -76.82 117.11 12.00 71
10 04/09/2023 05:44:07 70.27, 90.56 62.72 04/09/2023 05:44:04 70.27, 90.58 62.72 0.92 3
11 04/09/2023 06:34:47 -70.13,-101.90 117.44 04/09/2023 06:33:33 -70.17,-101.94 117.40 4.39 74
12 04/11/2023 21:10:18 -70.34, 38.91 118.19 04/11/2023 21:11:02 -70.36, 38.95 118.18 2.22 44
13 04/11/2023 22:01:02 70.23,-153.60 61.68 04/11/2023 22:00:29 70.24,-153.57 61.70 2.05 33
14 04/14/2023 12:36:41 70.87, -13.49 61.41 04/14/2023 12:37:51 70.76, -12.19 61.25 49.25 70
15 04/14/2023 13:27:14 -70.31, 154.74 119.20 04/14/2023 13:27:27 -70.33, 154.79 119.19 2.88 13
16 04/14/2023 14:17:58 70.20, -37.77 60.67 04/14/2023 14:16:54 70.21, -37.73 60.69 2.23 64

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/1/2023
SNOs_Map_NPP_LANDSAT-9_20230401.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9