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: 11/19/2022
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 11/21/2022 14:16:23 70.53, -38.27 90.42 11/21/2022 14:17:34 70.42, -37.40 90.30 34.84 71
2 11/21/2022 15:06:57 -70.08, 129.76 90.04 11/21/2022 15:07:07 -70.08, 129.75 90.04 0.51 10
3 11/21/2022 15:57:41 69.96, -62.75 89.86 11/21/2022 15:56:34 69.98, -62.74 89.88 2.39 67
4 11/24/2022 06:33:08 70.17, 78.09 90.61 11/24/2022 06:34:06 70.17, 78.13 90.61 1.26 58
5 11/24/2022 07:23:49 -70.03,-114.37 89.53 11/24/2022 07:23:36 -70.05,-114.40 89.50 3.28 13
6 11/24/2022 08:14:22 69.33, 53.96 89.79 11/24/2022 08:13:13 69.40, 52.34 89.86 64.07 69
7 11/26/2022 22:50:00 70.12,-166.05 91.09 11/26/2022 22:50:35 70.12,-166.05 91.09 0.13 35
8 11/26/2022 23:40:42 -70.03, 1.40 89.00 11/26/2022 23:40:05 -70.01, 1.42 89.02 2.25 37
9 11/29/2022 14:16:19 -70.77, 141.40 87.80 11/29/2022 14:17:28 -70.67, 142.98 87.91 59.37 69
10 11/29/2022 15:06:52 70.08, -50.21 91.52 11/29/2022 15:07:04 70.07, -50.25 91.50 2.66 12
11 11/29/2022 15:57:34 -69.99, 117.25 88.57 11/29/2022 15:56:33 -70.01, 117.31 88.55 3.20 61
12 12/02/2022 06:33:00 -70.16,-101.84 88.00 12/02/2022 06:34:05 -70.16,-101.88 88.00 1.48 65
13 12/02/2022 07:23:43 70.05, 65.63 91.91 12/02/2022 07:23:31 70.05, 65.61 91.90 0.93 12
14 12/02/2022 08:14:18 -69.59,-126.36 88.56 12/02/2022 08:13:07 -69.61,-127.36 88.53 39.09 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/19/2022
SNOs_Map_NPP_LANDSAT-9_20221119.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/19/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9