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: 4/3/2023
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 04/03/2023 21:10:14 70.35,-141.12 64.84 04/03/2023 21:11:09 70.33,-141.11 64.81 2.96 55
2 04/03/2023 22:00:55 -70.22, 26.41 115.31 04/03/2023 22:00:39 -70.21, 26.36 115.32 1.94 16
3 04/03/2023 22:51:26 69.40,-165.06 63.83 04/03/2023 22:50:18 69.45,-167.05 63.94 77.88 68
4 04/06/2023 13:27:10 70.28, -25.23 63.75 04/06/2023 13:27:38 70.29, -25.29 63.75 2.02 28
5 04/06/2023 14:17:52 -70.20, 142.21 116.36 04/06/2023 14:17:08 -70.18, 142.19 116.38 2.94 44
6 04/09/2023 04:53:26 -70.55, -77.20 116.97 04/09/2023 04:54:37 -70.48, -76.78 117.07 17.98 71
7 04/09/2023 05:44:07 70.28, 90.55 62.73 04/09/2023 05:44:06 70.26, 90.55 62.71 2.12 1
8 04/09/2023 06:34:48 -70.14,-101.92 117.43 04/09/2023 06:33:36 -70.15,-101.97 117.41 2.46 72
9 04/11/2023 21:10:19 -70.35, 38.91 118.18 04/11/2023 21:11:06 -70.35, 38.93 118.18 1.10 47
10 04/11/2023 22:01:03 70.23,-153.60 61.69 04/11/2023 22:00:33 70.24,-153.59 61.70 1.44 30
11 04/14/2023 12:36:44 71.03, -13.76 61.57 04/14/2023 12:37:52 70.95, -11.92 61.44 67.06 68
12 04/14/2023 13:27:14 -70.31, 154.74 119.20 04/14/2023 13:27:32 -70.30, 154.73 119.21 1.11 18
13 04/14/2023 14:17:58 70.19, -37.77 60.67 04/14/2023 14:16:59 70.18, -37.79 60.67 1.34 59
14 04/17/2023 04:53:28 70.38, 103.09 59.93 04/17/2023 04:54:28 70.36, 103.08 59.90 2.15 60

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/3/2023
SNOs_Map_NPP_LANDSAT-9_20230403.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/03/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9