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: 12/25/2022
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 12/26/2022 06:33:33 70.15, 78.08 93.44 12/26/2022 06:34:04 70.15, 78.09 93.44 0.50 31
2 12/26/2022 07:24:15 -70.06,-114.47 86.65 12/26/2022 07:23:34 -70.04,-114.43 86.68 3.05 41
3 12/28/2022 21:59:53 -70.56, 25.88 86.24 12/28/2022 22:01:04 -70.44, 26.75 86.39 34.95 71
4 12/28/2022 22:50:31 70.13,-166.13 93.31 12/28/2022 22:50:35 70.12,-166.08 93.29 2.28 4
5 12/28/2022 23:41:12 -69.99, 1.41 86.84 12/28/2022 23:40:05 -70.01, 1.40 86.82 2.68 67
6 12/31/2022 14:16:44 -70.18, 142.25 86.81 12/31/2022 14:17:39 -70.18, 142.24 86.82 0.52 55
7 12/31/2022 15:07:28 70.06, -50.26 93.07 12/31/2022 15:07:06 70.07, -50.28 93.08 0.67 22
8 12/31/2022 15:57:56 -69.23, 118.28 87.79 12/31/2022 15:56:48 -69.31, 116.31 87.67 77.80 68
9 01/03/2023 06:33:41 -70.17,-101.97 87.04 01/03/2023 06:34:08 -70.17,-101.90 87.05 2.49 27
10 01/03/2023 07:24:25 70.06, 65.51 92.84 01/03/2023 07:23:35 70.05, 65.58 92.84 2.50 50
11 01/05/2023 21:59:57 70.26,-153.67 92.79 01/05/2023 22:01:08 70.24,-153.56 92.75 5.14 71
12 01/05/2023 22:50:38 -70.11, 13.89 87.38 01/05/2023 22:50:39 -70.08, 13.85 87.41 3.35 1
13 01/05/2023 23:41:20 69.90,-178.48 92.40 01/05/2023 23:40:07 69.91,-178.74 92.43 10.33 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/25/2022
SNOs_Map_NPP_LANDSAT-9_20221225.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/25/2022 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9