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: 11/17/2023
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 11/19/2023 06:33:05 -70.17,-101.91 90.53 11/19/2023 06:33:49 -70.16,-101.86 90.55 2.18 44
2 11/19/2023 07:23:49 70.04, 65.60 89.35 11/19/2023 07:23:16 70.05, 65.63 89.36 1.67 33
3 11/21/2023 21:59:28 70.85,-154.54 90.76 11/21/2023 22:00:36 70.77,-152.70 90.67 67.83 68
4 11/21/2023 22:49:57 -70.09, 13.99 90.01 11/21/2023 22:50:16 -70.11, 13.96 89.99 2.99 19
5 11/21/2023 23:40:42 70.02,-178.59 89.93 11/21/2023 23:39:43 70.00,-178.55 89.91 2.11 59
6 11/24/2023 14:16:10 70.20, -37.73 90.66 11/24/2023 14:17:13 70.20, -37.66 90.66 2.58 63
7 11/24/2023 15:06:51 -70.06, 129.80 89.47 11/24/2023 15:06:43 -70.09, 129.82 89.45 3.03 8
8 11/24/2023 15:57:27 69.52, -62.08 89.99 11/24/2023 15:56:17 69.59, -63.23 90.06 45.20 70
9 11/27/2023 06:33:03 70.13, 78.15 91.11 11/27/2023 06:33:40 70.14, 78.16 91.12 1.16 37
10 11/27/2023 07:23:45 -70.05,-114.40 88.97 11/27/2023 07:23:10 -70.04,-114.36 88.98 1.88 35
11 11/29/2023 21:59:22 -70.71, 25.69 87.84 11/29/2023 22:00:32 -70.61, 27.10 87.95 52.88 70
12 11/29/2023 22:49:56 70.08,-165.99 91.52 11/29/2023 22:50:07 70.06,-166.06 91.51 3.23 11
13 11/29/2023 23:40:38 -69.98, 1.46 88.57 11/29/2023 23:39:36 -70.01, 1.50 88.54 3.22 62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/17/2023
SNOs_Map_NPP_LANDSAT-9_20231117.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/17/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9