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: 11/29/2022
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 11/29/2022 14:16:18 -70.76, 141.41 87.81 11/29/2022 14:17:27 -70.67, 142.99 87.91 58.60 69
2 11/29/2022 15:06:51 70.06, -50.18 91.50 11/29/2022 15:07:03 70.08, -50.23 91.52 3.21 12
3 11/29/2022 15:57:33 -69.98, 117.27 88.59 11/29/2022 15:56:33 -69.96, 117.23 88.60 2.20 60
4 12/02/2022 06:32:59 -70.14,-101.82 88.01 12/02/2022 06:34:04 -70.16,-101.88 87.99 2.81 65
5 12/02/2022 07:23:44 70.08, 65.58 91.94 12/02/2022 07:23:31 70.06, 65.62 91.92 2.66 13
6 12/02/2022 08:14:18 -69.57,-126.34 88.57 12/02/2022 08:13:07 -69.62,-127.36 88.53 39.78 71
7 12/04/2022 22:49:51 -70.11, 14.01 87.67 12/04/2022 22:50:32 -70.13, 13.97 87.65 2.64 41
8 12/04/2022 23:40:35 70.00,-178.51 92.23 12/04/2022 23:39:59 70.03,-178.54 92.25 3.18 36
9 12/07/2022 14:16:13 70.81, -38.63 93.37 12/07/2022 14:17:21 70.69, -36.96 93.23 62.56 68
10 12/07/2022 15:06:43 -70.09, 129.84 87.37 12/07/2022 15:07:00 -70.09, 129.79 87.38 2.00 17
11 12/07/2022 15:57:27 69.98, -62.68 92.53 12/07/2022 15:56:27 69.98, -62.72 92.52 1.56 60
12 12/10/2022 06:32:52 70.16, 78.20 92.97 12/10/2022 06:33:56 70.18, 78.19 92.99 2.79 64
13 12/10/2022 07:23:34 -70.07,-114.34 87.12 12/10/2022 07:23:26 -70.08,-114.33 87.11 1.46 8
14 12/10/2022 08:14:10 69.53, 53.76 92.35 12/10/2022 08:13:00 69.58, 52.62 92.40 44.72 70
15 12/12/2022 22:49:44 70.15,-165.99 93.18 12/12/2022 22:50:23 70.16,-165.96 93.19 1.96 39
16 12/12/2022 23:40:26 -70.05, 1.48 86.92 12/12/2022 23:39:53 -70.06, 1.53 86.92 2.21 33

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/29/2022
SNOs_Map_NPP_LANDSAT-9_20221129.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/29/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9