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: 12/17/2023
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 12/18/2023 15:06:35 70.13, -50.26 93.44 12/18/2023 15:06:57 70.12, -50.20 93.42 2.48 22
2 12/18/2023 15:57:16 -69.99, 117.27 86.71 12/18/2023 15:56:27 -70.01, 117.27 86.69 2.19 49
3 12/21/2023 06:32:47 -70.43,-102.26 86.21 12/21/2023 06:33:58 -70.32,-101.68 86.33 24.45 71
4 12/21/2023 07:23:26 70.05, 65.63 93.41 12/21/2023 07:23:28 70.05, 65.58 93.41 2.07 2
5 12/21/2023 08:14:08 -69.96,-126.91 86.69 12/21/2023 08:12:58 -69.95,-126.94 86.70 2.29 70
6 12/23/2023 22:49:34 -70.15, 13.97 86.51 12/23/2023 22:50:31 -70.13, 13.92 86.53 2.82 57
7 12/23/2023 23:40:18 70.04,-178.56 93.39 12/23/2023 23:39:58 70.02,-178.59 93.37 2.62 20
8 12/24/2023 00:30:47 -69.26, -10.10 87.42 12/24/2023 00:29:39 -69.31, -11.93 87.33 72.29 68
9 12/26/2023 15:06:26 -70.13, 129.77 86.58 12/26/2023 15:07:00 -70.13, 129.79 86.59 1.39 34
10 12/26/2023 15:57:10 70.03, -62.77 93.32 12/26/2023 15:56:27 70.01, -62.72 93.30 2.70 43
11 12/29/2023 06:32:43 70.60, 77.50 93.80 12/29/2023 06:33:53 70.53, 78.63 93.69 42.83 70
12 12/29/2023 07:23:16 -70.08,-114.36 86.75 12/29/2023 07:23:28 -70.10,-114.36 86.73 2.55 12
13 12/29/2023 08:14:00 69.98, 53.10 93.15 12/29/2023 08:12:55 69.99, 53.12 93.16 1.30 65

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/17/2023
SNOs_Map_NPP_LANDSAT-9_20231217.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/17/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9