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: 12/18/2022
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 12/18/2022 06:33:21 -70.14,-101.88 86.57 12/18/2022 06:34:06 -70.16,-101.90 86.55 2.66 45
2 12/18/2022 07:24:06 70.06, 65.54 93.36 12/18/2022 07:23:33 70.06, 65.61 93.36 2.37 33
3 12/20/2022 21:59:48 70.76,-154.43 94.14 12/20/2022 22:00:57 70.66,-152.91 94.00 56.85 69
4 12/20/2022 22:50:19 -70.10, 13.95 86.56 12/20/2022 22:50:35 -70.11, 13.91 86.55 1.75 16
5 12/20/2022 23:41:04 70.03,-178.64 93.38 12/20/2022 23:40:02 70.00,-178.59 93.35 3.16 62
6 12/23/2022 14:16:36 70.21, -37.78 93.56 12/23/2022 14:17:33 70.20, -37.71 93.54 2.71 57
7 12/23/2022 15:07:17 -70.06, 129.76 86.59 12/23/2022 15:07:03 -70.09, 129.77 86.57 2.73 14
8 12/23/2022 15:57:49 69.31, -61.81 92.64 12/23/2022 15:56:41 69.37, -63.57 92.74 69.37 68
9 12/26/2022 06:33:33 70.13, 78.11 93.42 12/26/2022 06:34:01 70.15, 78.12 93.44 2.65 28
10 12/26/2022 07:24:15 -70.04,-114.43 86.68 12/26/2022 07:23:31 -70.05,-114.40 86.67 1.71 44
11 12/28/2022 21:59:48 -70.33, 26.25 86.49 12/28/2022 22:01:00 -70.26, 26.51 86.57 12.41 72
12 12/28/2022 22:50:30 70.11,-166.10 93.29 12/28/2022 22:50:28 70.09,-166.09 93.27 2.58 2
13 12/28/2022 23:41:11 -69.96, 1.45 86.87 12/28/2022 23:39:58 -69.99, 1.40 86.84 3.19 73
14 12/31/2022 14:16:43 -70.16, 142.29 86.83 12/31/2022 14:17:28 -70.18, 142.28 86.82 2.31 45
15 12/31/2022 15:07:27 70.05, -50.24 93.06 12/31/2022 15:06:55 70.06, -50.24 93.07 1.29 32

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/18/2022
SNOs_Map_NPP_LANDSAT-9_20221218.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/18/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9